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Date: Tue, 15 Mar 2011 16:32:30 +0200
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Jean-Philippe Menil <jean-philippe.menil@...v-nantes.fr>
Cc: netdev@...r.kernel.org, kvm@...r.kernel.org,
virtualization@...ts.linux-foundation.org
Subject: Re: Bug inkvm_set_irq
On Thu, Mar 10, 2011 at 09:42:28AM +0100, Jean-Philippe Menil wrote:
> Le 09/03/2011 14:59, Michael S. Tsirkin a écrit :
> >On Wed, Mar 09, 2011 at 02:12:58PM +0100, Jean-Philippe Menil wrote:
> >>Le 09/03/2011 14:00, Michael S. Tsirkin a écrit :
> >>>On Wed, Mar 09, 2011 at 01:28:43PM +0100, Jean-Philippe Menil wrote:
> >>>>Le 08/03/2011 12:13, Michael S. Tsirkin a écrit :
> >>>>>On Fri, Mar 04, 2011 at 10:39:05AM +0100, Jean-Philippe Menil wrote:
> >>>>>>Yes, it's a 2.6.37.2 kernel.
> >>>>>OK, here's a debugging patch.
> >>>>>Please run with slab debugging as previously until you see
> >>>>>'eventfd bug detected!' in dmesg or until there is a crash.
> >>>>>It might be also useful to enable timestampts on printk with
> >>>>> Symbol: PRINTK_TIME [=y]
> >>>>> │ Type : boolean
> >>>>> │ Prompt: Show timing information on printks
> >>>>>
> >>>>>once you see the error, please upload the
> >>>>>full dmesg output somewhere to we can track what
> >>>>>goes on.
> >>>>>
> >>>>>Hopefully there won't be an oops this time which
> >>>>>should make it easier for you to test (no need to
> >>>>>reboot).
> >>>>>
> >>>>>
> >>>>>diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
> >>>>>index c1f1e3c..3cb679b 100644
> >>>>>--- a/virt/kvm/eventfd.c
> >>>>>+++ b/virt/kvm/eventfd.c
> >>>>>@@ -32,6 +32,7 @@
> >>>>> #include<linux/eventfd.h>
> >>>>> #include<linux/kernel.h>
> >>>>> #include<linux/slab.h>
> >>>>>+#include<linux/nmi.h>
> >>>>>
> >>>>> #include "iodev.h"
> >>>>>
> >>>>>@@ -43,6 +44,8 @@
> >>>>> * --------------------------------------------------------------------
> >>>>> */
> >>>>>
> >>>>>+#define KVM_BAD_PTR ((void*)(long)(0x6b6b6b6b6b6b6b6bull))
> >>>>>+
> >>>>> struct _irqfd {
> >>>>> struct kvm *kvm;
> >>>>> struct eventfd_ctx *eventfd;
> >>>>>@@ -61,6 +64,13 @@ irqfd_inject(struct work_struct *work)
> >>>>> {
> >>>>> struct _irqfd *irqfd = container_of(work, struct _irqfd, inject);
> >>>>> struct kvm *kvm = irqfd->kvm;
> >>>>>+ if (kvm == KVM_BAD_PTR) {
> >>>>>+ printk(KERN_ERR "Eventfd bug detected!\n");
> >>>>>+ printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p,gsi=%d)\n", __func__,
> >>>>>+ work, irqfd, kvm, irqfd->gsi);
> >>>>>+ trigger_all_cpu_backtrace();
> >>>>>+ return;
> >>>>>+ }
> >>>>>
> >>>>> kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 1);
> >>>>> kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 0);
> >>>>>@@ -75,6 +85,8 @@ irqfd_shutdown(struct work_struct *work)
> >>>>> struct _irqfd *irqfd = container_of(work, struct _irqfd, shutdown);
> >>>>> u64 cnt;
> >>>>>
> >>>>>+ printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p, gsi=%d)\n", __func__,
> >>>>>+ work, irqfd, irqfd->kvm, irqfd->gsi);
> >>>>> /*
> >>>>> * Synchronize with the wait-queue and unhook ourselves to prevent
> >>>>> * further events.
> >>>>>@@ -91,6 +103,8 @@ irqfd_shutdown(struct work_struct *work)
> >>>>> * It is now safe to release the object's resources
> >>>>> */
> >>>>> eventfd_ctx_put(irqfd->eventfd);
> >>>>>+ printk(KERN_ERR "kfree at %s(work=%p,irqfd=%p)\n", __func__,
> >>>>>+ work, irqfd);
> >>>>> kfree(irqfd);
> >>>>> }
> >>>>>
> >>>>>@@ -111,6 +125,8 @@ static void
> >>>>> irqfd_deactivate(struct _irqfd *irqfd)
> >>>>> {
> >>>>> BUG_ON(!irqfd_is_active(irqfd));
> >>>>>+ printk(KERN_ERR "%s(irqfd=%p,kvm=%p, gsi=%d)\n", __func__,
> >>>>>+ irqfd, irqfd->kvm, irqfd->gsi);
> >>>>>
> >>>>> list_del_init(&irqfd->list);
> >>>>>
> >>>>>@@ -178,6 +194,8 @@ kvm_irqfd_assign(struct kvm *kvm, int fd, int gsi)
> >>>>>
> >>>>> irqfd->kvm = kvm;
> >>>>> irqfd->gsi = gsi;
> >>>>>+ printk(KERN_ERR "%s(irqfd=%p,kvm=%p, gsi=%d)\n", __func__,
> >>>>>+ irqfd, kvm, gsi);
> >>>>> INIT_LIST_HEAD(&irqfd->list);
> >>>>> INIT_WORK(&irqfd->inject, irqfd_inject);
> >>>>> INIT_WORK(&irqfd->shutdown, irqfd_shutdown);
> >>>>>@@ -264,6 +282,8 @@ kvm_irqfd_deassign(struct kvm *kvm, int fd, int gsi)
> >>>>> struct _irqfd *irqfd, *tmp;
> >>>>> struct eventfd_ctx *eventfd;
> >>>>>
> >>>>>+ printk(KERN_ERR "%s(kvm=%p, gsi=%d)\n", __func__,
> >>>>>+ kvm, gsi);
> >>>>> eventfd = eventfd_ctx_fdget(fd);
> >>>>> if (IS_ERR(eventfd))
> >>>>> return PTR_ERR(eventfd);
> >>>>>@@ -305,6 +325,7 @@ void
> >>>>> kvm_irqfd_release(struct kvm *kvm)
> >>>>> {
> >>>>> struct _irqfd *irqfd, *tmp;
> >>>>>+ printk(KERN_ERR "%s(kvm=%p)\n", __func__, kvm);
> >>>>>
> >>>>> spin_lock_irq(&kvm->irqfds.lock);
> >>>>>
> >>>>>--
> >>>>>To unsubscribe from this list: send the line "unsubscribe netdev" in
> >>>>>the body of a message to majordomo@...r.kernel.org
> >>>>>More majordomo info at http://vger.kernel.org/majordomo-info.html
> >>>>Hi,
> >>>>
> >>>>I boot the host with the patched kernel yesterday.
> >>>>No crach until now, but two "Eventfd bug detected!" in the log at
> >>>>"Mar 9 02:04:31" and "Mar 9 02:15:17"
> >>>>You can find part of the log at the following adress:
> >>>>http://filex.univ-nantes.fr/get?k=jL4Fe7yfSMN57toAH7V
> >>>>
> >>>>It a split file of the kern.log (1,4G), so if you need another part
> >>>>of the log, let me know.
> >>>>
> >>>>Thanks for all.
> >>>>
> >>>>Regards.
> >>>Downloading, it's big :)
> >>>What about some 1000 lines before and after Eventfd bug detected! line?
> >>>--
> >>>To unsubscribe from this list: send the line "unsubscribe kvm" in
> >>>the body of a message to majordomo@...r.kernel.org
> >>>More majordomo info at http://vger.kernel.org/majordomo-info.html
> >>Yes, sorry about that.
> >>I could have split my log into a smaller file.
> >>
> >>I was a little afraid of not transmit enough informations, and i was
> >>a bit wide.
> >>I hope you can find usefull trace anyway.
> >>
> >>Regards.
> >
> >OK, use after free.
> >
> >
> >Mar 9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.593681]
> >kvm_irqfd_assign(irqfd=ffff88045e8d6230,kvm=ffff88085151c000, gsi=26)
> >Mar 9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605359]
> >kvm_irqfd_deassign(kvm=ffff88085151c000, gsi=26)
> >Mar 9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605388]
> >irqfd_deactivate(irqfd=ffff88045e8d6230,kvm=ffff88085151c000, gsi=26)
> >Mar 9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605461]
> >irqfd_shutdown(work=ffff88045e8d62b0,irqfd=ffff88045e8d6230,kvm=ffff88085151c000,
> >gsi=26)
> >Mar 9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605509]
> >kfree at irqfd_shutdown(work=ffff88045e8d62b0,irqfd=ffff88045e8d6230)
> >Mar 9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605588]
> >Eventfd bug detected!
> >Mar 9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605612]
> >irqfd_inject(work=ffff88045e8d6290,irqfd=ffff88045e8d6230,kvm=6b6b6b6b6b6b6b6b,gsi=1802201963)
> >
> >
> >and 1802201963 is also 6b6b6b6b.
> >
> >
> >I suspect that somehow, we get an event from eventfd even
> >though we did eventfd_ctx_remove_wait_queue.
> >Could you please try the following patch on top?
> >When you see Eventfd bug or Wakeup bug, paste some
> >last lines.
> >For the full log file - better compress with xz.
> >
> >
> >diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
> >index 3cb679b..63aeba5 100644
> >--- a/virt/kvm/eventfd.c
> >+++ b/virt/kvm/eventfd.c
> >@@ -92,6 +92,8 @@ irqfd_shutdown(struct work_struct *work)
> > * further events.
> > */
> > eventfd_ctx_remove_wait_queue(irqfd->eventfd,&irqfd->wait,&cnt);
> >+ printk(KERN_ERR "remove wq at %s(work=%p,irqfd=%p)\n", __func__,
> >+ work, irqfd);
> >
> > /*
> > * We know no new events will be scheduled at this point, so block
> >@@ -142,6 +144,13 @@ irqfd_wakeup(wait_queue_t *wait, unsigned mode, int sync, void *key)
> > struct _irqfd *irqfd = container_of(wait, struct _irqfd, wait);
> > unsigned long flags = (unsigned long)key;
> >
> >+ if (irqfd->kvm == KVM_BAD_PTR) {
> >+ printk(KERN_ERR "Wakeup bug detected! flags 0x%lx\n", flags);
> >+ printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p,gsi=%d)\n", __func__,
> >+ &irqfd->inject, irqfd, irqfd->kvm, irqfd->gsi);
> >+ trigger_all_cpu_backtrace();
> >+ return 0;
> >+ }
> > if (flags& POLLIN)
> > /* An event has been signaled, inject an interrupt */
> > schedule_work(&irqfd->inject);
> >@@ -153,6 +162,9 @@ irqfd_wakeup(wait_queue_t *wait, unsigned mode, int sync, void *key)
> >
> > spin_lock_irqsave(&kvm->irqfds.lock, flags);
> >
> >+ printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p,gsi=%d,active=%d)\n", __func__,
> >+ &irqfd->inject, irqfd, irqfd->kvm, irqfd->gsi,
> >+ irqfd_is_active(irqfd));
> > /*
> > * We must check if someone deactivated the irqfd before
> > * we could acquire the irqfds.lock since the item is
> >
> Hi,
>
> I noted seven "Eventfd bug detected" events during the night, and
> only one Wakeup event:
>
> fifth.ah:Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.105868] Eventfd bug detected!
> first.ad:Mar 10 01:08:15 ayrshire.u06.univ-nantes.prive kernel:
> [34729.771260] Eventfd bug detected!
> fourth.ad:Mar 10 02:54:41 ayrshire.u06.univ-nantes.prive kernel:
> [41115.140873] Eventfd bug detected!
> second.ab:Mar 10 02:41:55 ayrshire.u06.univ-nantes.prive kernel:
> [40348.967192] Eventfd bug detected!
> seventh.ab:Mar 10 07:52:29 ayrshire.u06.univ-nantes.prive kernel:
> [58983.145646] Eventfd bug detected!
> sixth.ab:Mar 10 05:19:54 ayrshire.u06.univ-nantes.prive kernel:
> [49828.785558] Eventfd bug detected!
> third.ae:Mar 10 02:54:07 ayrshire.u06.univ-nantes.prive kernel:
> [41081.638633] Eventfd bug detected!
>
> grep -i wakeup *
> seventh.ab:Mar 10 07:52:29 ayrshire.u06.univ-nantes.prive kernel:
> [58983.154161] [<ffffffffa02cbf96>] vhost_poll_wakeup+0x16/0x20
> [vhost_net
>
>
> Here is a trace, for the thirst event:
>
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.101747]
> irqfd_deactivate(irqfd=ffff88042e0b5e00,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.101873] irqfd_shutdown(work=ffff88042e0b5e80,irqfd=ffff88042e0b5e00,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.101928] remove wq at
> irqfd_shutdown(work=ffff88042e0b5e80,irqfd=ffff88042e0b5e00)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.101990] kfree at
> irqfd_shutdown(work=ffff88042e0b5e80,irqfd=ffff88042e0b5e00)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.102381]
> kvm_irqfd_assign(irqfd=ffff88080f7aa818,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.103796] kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.103833]
> irqfd_deactivate(irqfd=ffff88080f7aa818,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.103904] irqfd_shutdown(work=ffff88080f7aa898,irqfd=ffff88080f7aa818,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.103958] remove wq at
> irqfd_shutdown(work=ffff88080f7aa898,irqfd=ffff88080f7aa818)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.104023] kfree at
> irqfd_shutdown(work=ffff88080f7aa898,irqfd=ffff88080f7aa818)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.104311]
> kvm_irqfd_assign(irqfd=ffff88081a190b78,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.104511] kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.104549]
> irqfd_deactivate(irqfd=ffff88081a190b78,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.104614] irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.104667] remove wq at
> irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.104715] kfree at
> irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.104911]
> kvm_irqfd_assign(irqfd=ffff880853b8caa0,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.105868] Eventfd bug detected!
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.105901] irqfd_inject(work=ffff88042e0b5e60,irqfd=ffff88042e0b5e00,kvm=6b6b6b6b6b6b6b6b,gsi=1802201963)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.105951] sending NMI to all CPUs:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.105961] NMI backtrace for cpu 0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.105986] CPU 0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.105992] Modules linked in: btrfs zlib_deflate crc32c
> libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs
> reiserfs ext4 jbd2 crc16 ext3 jbd vhost_net macvtap macvlan tun veth
> powernow_k8 mperf cpufreq_userspace cpufreq_stats cpufreq_powersave
> cpufreq_ondemand freq_table cpufreq_conservative fuse xt_physdev
> ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit
> xt_tcpudp xt_state iptable_filter ip_tables x_tables
> nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4
> 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath
> nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer
> snd soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm
> pci_hotplug psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev
> ghes serio_raw processor thermal_sys hed button xfs exportfs dm_mod
> sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure lpfc
> scsi_transport_fc ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2
> ehci_hcd [last unloaded: scsi_wait_sca
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106557]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.106581] Pid: 10, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17 Dell Inc. PowerEdge M605/0K543T
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.106644] RIP: 0010:[<ffffffff8105fa4b>] [<ffffffff8105fa4b>]
> default_send_IPI_mask_sequence_phys+0xbb/0xe0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.106706] RSP: 0018:ffff88045fcb1d50 EFLAGS: 00000046
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.106735] RAX: ffff88087fc00000 RBX: 0000000000000002 RCX:
> 0000000000000008
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.106767] RDX: 0000000000000001 RSI: 0000000000000020 RDI:
> 0000000000000020
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.106799] RBP: ffff88045fcb1d90 R08: ffffffff8159faf0 R09:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.106831] R10: 0000000000000000 R11: 0000000000000006 R12:
> 000000000000c620
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.106863] R13: ffffffff8159faf0 R14: 0000000000000400 R15:
> 0000000000000286
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.106896] FS: 00007f66f7754720(0000) GS:ffff88007f800000(0000)
> knlGS:0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.106944] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.106973] CR2: 0000000000e64048 CR3: 000000045ea45000 CR4:
> 00000000000006f0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.107005] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.107037] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.107070] Process kworker/0:1 (pid: 10, threadinfo
> ffff88045fcb0000, task ffff88045fcaae70)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.107117] Stack:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.107138] ffffffff00000000 0000000000000000 ffff88045fcb1d70
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] 6b6b6b6b6b6b6b6b ffff88007f814e00 ffffffff81008ba0
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] ffff88045fcb1da0 ffffffff81062c12 ffff88045fcb1dc0
> ffffffff8105fb3c
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81008ba0>] ? irqfd_inject+0x0/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81062c12>] physflat_send_IPI_all+0x12/0x20
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff8105fb3c>]
> arch_trigger_all_cpu_backtrace+0x3c/0x70
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81008c2f>] irqfd_inject+0x8f/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810a971b>] process_one_work+0x11b/0x450
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810a9e97>] worker_thread+0x157/0x410
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81078519>] ? __wake_up_common+0x59/0x90
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810a9d40>] ? worker_thread+0x0/0x410
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810ad8f6>] kthread+0x96/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81041c64>] kernel_thread_helper+0x4/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810ad860>] ? kthread+0x0/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81041c60>] ? kernel_thread_helper+0x0/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] Code: 83 fb 02 44 89 f0 0f 45 c3 89 04 25 00 c3 5f ff
> eb 9e 4c 89 ff 57 9d 66 66 90 66 90 48 83 c4 18 5b 41 5c 41 5d 41 5e
> 41 5f c9 c3 <48> 8b 05 4e fb 53 00 48 89 55 c8 89 4d c0 ff 90 58 01
> 00 00 48
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81008ba0>] ? irqfd_inject+0x0/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81062c12>] physflat_send_IPI_all+0x12/0x20
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff8105fb3c>]
> arch_trigger_all_cpu_backtrace+0x3c/0x70
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81008c2f>] irqfd_inject+0x8f/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810a971b>] process_one_work+0x11b/0x450
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810a9e97>] worker_thread+0x157/0x410
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81078519>] ? __wake_up_common+0x59/0x90
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810a9d40>] ? worker_thread+0x0/0x410
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810ad8f6>] kthread+0x96/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81041c64>] kernel_thread_helper+0x4/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810ad860>] ? kthread+0x0/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81041c60>] ? kernel_thread_helper+0x0/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] Pid: 10, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] <NMI> [<ffffffff8104a786>] ? show_regs+0x26/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff813be5f0>] nmi+0x20/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff8105fa4b>] ?
> default_send_IPI_mask_sequence_phys+0xbb/0xe0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] <<EOE>> [<ffffffff81008ba0>] ? irqfd_inject+0x0/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81062c12>] physflat_send_IPI_all+0x12/0x20
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff8105fb3c>]
> arch_trigger_all_cpu_backtrace+0x3c/0x70
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81008c2f>] irqfd_inject+0x8f/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810a971b>] process_one_work+0x11b/0x450
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810a9e97>] worker_thread+0x157/0x410
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81078519>] ? __wake_up_common+0x59/0x90
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810a9d40>] ? worker_thread+0x0/0x410
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810ad8f6>] kthread+0x96/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81041c64>] kernel_thread_helper+0x4/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff810ad860>] ? kthread+0x0/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108011] [<ffffffff81041c60>] ? kernel_thread_helper+0x0/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110243] NMI backtrace for cpu 3
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110272] CPU 3
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110280] Modules linked in: btrfs zlib_deflate crc32c
> libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs
> reiserfs ext4 jbd2 crc16 ext3 jbd vhost_net macvtap macvlan tun veth
> powernow_k8 mperf cpufreq_userspace cpufreq_stats cpufreq_powersave
> cpufreq_ondemand freq_table cpufreq_conservative fuse xt_physdev
> ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit
> xt_tcpudp xt_state iptable_filter ip_tables x_tables
> nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4
> 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath
> nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer
> snd soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm
> pci_hotplug psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev
> ghes serio_raw processor thermal_sys hed button xfs exportfs dm_mod
> sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure lpfc
> scsi_transport_fc ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2
> ehci_hcd [last unloaded: scsi_wait_sca
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110882]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110906] Pid: 0, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17 Dell Inc. PowerEdge M605/0K543T
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110970] RIP: 0010:[<ffffffff81066716>] [<ffffffff81066716>]
> native_safe_halt+0x6/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111030] RSP: 0018:ffff88045fcd3ea8 EFLAGS: 00000246
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111059] RAX: 0000000000000000 RBX: 0000000000000003 RCX:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111091] RDX: 0000000000000000 RSI: ffff88045fcd3ee4 RDI:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111123] RBP: ffff88045fcd3ea8 R08: 0000000000000000 R09:
> 0000000000000001
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111155] R10: 0000000000000000 R11: 0000000000000001 R12:
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111186] R13: 0000000000000003 R14: 0000000000000000 R15:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111220] FS: 00007fb1eafc6740(0000) GS:ffff88087fc40000(0000)
> knlGS:0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111268] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111297] CR2: 00007ff12a981de0 CR3: 000000045569f000 CR4:
> 00000000000006e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111329] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111362] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111395] Process kworker/0:1 (pid: 0, threadinfo
> ffff88045fcd2000, task ffff88045fcca820)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111442] Stack:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111463] ffff88045fcd3ec8 ffffffff8104a016 ffff88045fcd3ee4
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111515] ffff88045fcd3ef8 ffffffff8104a168 ffff88045fcd3ee8
> 00000000810b3255
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111566] ffff88045fcd2010 ffffffff8159faf0 ffff88045fcd3f28
> ffffffff8104003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111618] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111648] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111680] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111712] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111745] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111774] Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84
> 00 00 00 00 00 55 48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48
> 89 e5 fb f4 <c9> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66
> 0f 1f 84
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111982] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112007] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112038] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112069] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112099] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112131] Pid: 0, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112176] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112198] <NMI> [<ffffffff8104a786>] ? show_regs+0x26/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112238] [<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112272] [<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112303] [<ffffffff813be5f0>] nmi+0x20/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112332] [<ffffffff81066716>] ? native_safe_halt+0x6/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112361] <<EOE>> [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112399] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112430] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112460] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112024] NMI backtrace for cpu 2
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112024] CPU 2
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112024] Modules linked in: btrfs zlib_deflate crc32c
> libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs
> reiserfs ext4 jbd2 crc16 ext3 jbd vhost_net macvtap macvlan tun veth
> powernow_k8 mperf cpufreq_userspace cpufreq_stats cpufreq_powersave
> cpufreq_ondemand freq_table cpufreq_conservative fuse xt_physdev
> ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit
> xt_tcpudp xt_state iptable_filter ip_tables x_tables
> nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4
> 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath
> nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer
> snd soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm
> pci_hotplug psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev
> ghes serio_raw processor thermal_sys hed button xfs exportfs dm_mod
> sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure lpfc
> scsi_transport_fc ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2
> ehci_hcd [last unloaded: scsi_wait_sca
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] Pid: 0, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17 Dell Inc. PowerEdge M605/0K543T
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] RIP: 0010:[<ffffffff81066716>] [<ffffffff81066716>]
> native_safe_halt+0x6/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] RSP: 0018:ffff88045fcc5ea8 EFLAGS: 00000246
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] RAX: 0000000000000000 RBX: 0000000000000002 RCX:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] RDX: 0000000000000000 RSI: ffff88045fcc5ee4 RDI:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] RBP: ffff88045fcc5ea8 R08: 0000000000000000 R09:
> 0000000000000001
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] R10: 0000000000000000 R11: 0000000000000000 R12:
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] R13: 0000000000000002 R14: 0000000000000000 R15:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] FS: 00007f66f7754720(0000) GS:ffff88007f840000(0000)
> knlGS:0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] CR2: 00007f241ad1f0b8 CR3: 000000045ea45000 CR4:
> 00000000000006f0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] Process kworker/0:1 (pid: 0, threadinfo
> ffff88045fcc4000, task ffff88045fcb87e0)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] Stack:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] ffff88045fcc5ec8 ffffffff8104a016 ffff88045fcc5ee4
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] ffff88045fcc5ef8 ffffffff8104a168 ffff88045fcc5ee8
> 00000000810b3255
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] ffff88045fcc4010 ffffffff8159faf0 ffff88045fcc5f28
> ffffffff8104003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84
> 00 00 00 00 00 55 48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48
> 89 e5 fb f4 <c9> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66
> 0f 1f 84
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] Pid: 0, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] <NMI> [<ffffffff8104a786>] ? show_regs+0x26/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff813be5f0>] nmi+0x20/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff81066716>] ? native_safe_halt+0x6/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] <<EOE>> [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112616] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] NMI backtrace for cpu 1
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] CPU 1
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] Modules linked in: btrfs zlib_deflate crc32c
> libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs
> reiserfs ext4 jbd2 crc16 ext3 jbd vhost_net macvtap macvlan tun veth
> powernow_k8 mperf cpufreq_userspace cpufreq_stats cpufreq_powersave
> cpufreq_ondemand freq_table cpufreq_conservative fuse xt_physdev
> ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit
> xt_tcpudp xt_state iptable_filter ip_tables x_tables
> nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4
> 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath
> nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer
> snd soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm
> pci_hotplug psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev
> ghes serio_raw processor thermal_sys hed button xfs exportfs dm_mod
> sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure lpfc
> scsi_transport_fc ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2
> ehci_hcd [last unloaded: scsi_wait_sca
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] Pid: 0, comm: kworker/0:0 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17 Dell Inc. PowerEdge M605/0K543T
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] RIP: 0010:[<ffffffff81066716>] [<ffffffff81066716>]
> native_safe_halt+0x6/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] RSP: 0018:ffff88045fcb3ea8 EFLAGS: 00000246
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] RAX: 0000000000000000 RBX: 0000000000000001 RCX:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] RDX: 0000000000000000 RSI: ffff88045fcb3ee4 RDI:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] RBP: ffff88045fcb3ea8 R08: 0000000000000000 R09:
> ffff88087fc0e408
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] R10: 000028ce70db0d2f R11: 0000000000000001 R12:
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] R13: 0000000000000001 R14: 0000000000000000 R15:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] FS: 00007fb8e1893710(0000) GS:ffff88087fc00000(0000)
> knlGS:0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] CR2: 00007f241aca71a0 CR3: 000000045ed50000 CR4:
> 00000000000006e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] Process kworker/0:0 (pid: 0, threadinfo
> ffff88045fcb2000, task ffff88045fcaa7a0)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] Stack:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] ffff88045fcb3ec8 ffffffff8104a016 ffff88045fcb3ee4
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] ffff88045fcb3ef8 ffffffff8104a168 ffff88045fcb3ee8
> 00000000810b3255
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] ffff88045fcb2010 ffffffff8159faf0 ffff88045fcb3f28
> ffffffff8104003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84
> 00 00 00 00 00 55 48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48
> 89 e5 fb f4 <c9> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66
> 0f 1f 84
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] <NMI> [<ffffffff8104a786>] ? show_regs+0x26/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] [<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] [<ffffffff813be5f0>] nmi+0x20/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] <<EOE>> [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112285] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110896] Modules linked in: btrfs zlib_deflate crc32c
> libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs
> reiserfs ext4 jbd2 crc16 ext3 jbd vhost_net macvtap macvlan tun veth
> powernow_k8 mperf cpufreq_userspace cpufreq_stats cpufreq_powersave
> cpufreq_ondemand freq_table cpufreq_conservative fuse xt_physdev
> ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit
> xt_tcpudp xt_state iptable_filter ip_tables x_tables
> nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4
> 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath
> nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer
> snd soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm
> pci_hotplug psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev
> ghes serio_raw processor thermal_sys hed button xfs exportfs dm_mod
> sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure lpfc
> scsi_transport_fc ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2
> ehci_hcd [last unloaded: scsi_wait_sca
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110896] RAX: 0000000000000000 RBX: 0000000000000005 RCX:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110896] RDX: 0000000000000000 RSI: ffff88045fd11ee4 RDI:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110896] ffff88045fd11ef8 ffffffff8104a168 ffff88045fd11ee8
> 00000000810b3255
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110896] ffff88045fd10010 ffffffff8159faf0 ffff88045fd11f28
> ffffffff8104003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110896] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110896] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110896] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110896] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110896] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.110896] Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84
> 00 00 00 00 00 55 48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48
> 89 e5 fb f4 <c9> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66
> 0f 1f 84
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.119695] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.119695] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.119695] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.119695] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.119985] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.119985] Pid: 0, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.119985] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.119985] <NMI> [<ffffffff8104a786>] ? show_regs+0x26/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120119] [<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120164] [<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] CR2: 00007f241ad1f0b8 CR3: 000000045ed50000 CR4:
> 00000000000006e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] Process kworker/0:1 (pid: 0, threadinfo
> ffff88045fd00000, task ffff88045fcd8860)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018] Stack:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] ffff88045fd01ec8 ffffffff8104a016 ffff88045fd01ee4
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] ffff88045fd01ef8 ffffffff8104a168 ffff88045fd01ee8
> 00000000810b3255
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] ffff88045fd00010 ffffffff8159faf0 ffff88045fd01f28
> ffffffff8104003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] [<ffffffff813be5f0>] nmi+0x20/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.112018] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.123585] NMI backtrace for cpu 7
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.124502] RAX: 0000000000000000 RBX: 0000000000000007 RCX:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.125007] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.125206] Stack:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] Modules linked in: btrfs zlib_deflate crc32c
> libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs
> reiserfs ext4 jbd2 crc16 ext3 jbd vhost_net macvtap macvlan tun veth
> powernow_k8 mperf cpufreq_userspace cpufreq_stats cpufreq_powersave
> cpufreq_ondemand freq_table cpufreq_conservative fuse xt_physdev
> ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit
> xt_tcpudp xt_state iptable_filter ip_tables x_tables
> nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4
> 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath
> nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer
> snd soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm
> pci_hotplug psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev
> ghes serio_raw processor thermal_sys hed button xfs exportfs dm_mod
> sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure lpfc
> scsi_transport_fc ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2
> ehci_hcd [last unloaded: scsi_wait_sca
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] Pid: 0, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17 Dell Inc. PowerEdge M605/0K543T
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] RIP: 0010:[<ffffffff81066716>] [<ffffffff81066716>]
> native_safe_halt+0x6/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] RSP: 0018:ffff88045fd23ea8 EFLAGS: 00000246
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] RAX: 0000000000000000 RBX: 0000000000000006 RCX:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] RDX: 0000000000000000 RSI: ffff88045fd23ee4 RDI:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] RBP: ffff88045fd23ea8 R08: 0000000000000000 R09:
> ffff88007f8ce408
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] R10: 0000000000000000 R11: 0000000000000001 R12:
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] Stack:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] ffff88045fd23ec8 ffffffff8104a016 ffff88045fd23ee4
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] [<ffffffff813be5f0>] nmi+0x20/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108015] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] Modules linked in: btrfs zlib_deflate crc32c
> libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs
> reiserfs ext4 jbd2 crc16 ext3 jbd vhost_net macvtap macvlan tun veth
> powernow_k8 mperf cpufreq_userspace cpufreq_stats cpufreq_powersave
> cpufreq_ondemand freq_table cpufreq_conservative fuse xt_physdev
> ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit
> xt_tcpudp xt_state iptable_filter ip_tables x_tables
> nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4
> 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath
> nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer
> snd soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm
> pci_hotplug psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev
> ghes serio_raw processor thermal_sys hed button xfs exportfs dm_mod
> sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure lpfc
> scsi_transport_fc ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2
> ehci_hcd [last unloaded: scsi_wait_sca
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] R10: 000028ce766a74a3 R11: 0000000000000001 R12:
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] R13: 0000000000000009 R14: 0000000000000000 R15:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] FS: 00007fa0cb316710(0000) GS:ffff88087fd00000(0000)
> knlGS:0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] CR2: 0000000000e64048 CR3: 000000045ea45000 CR4:
> 00000000000006e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] Process kworker/0:1 (pid: 0, threadinfo
> ffff88045fd6e000, task ffff88045fd669a0)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] Stack:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] ffff88045fd6fec8 ffffffff8104a016 ffff88045fd6fee4
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] ffff88045fd6fef8 ffffffff8104a168 ffff88045fd6fee8
> 00000000810b3255
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] ffff88045fd6e010 ffffffff8159faf0 ffff88045fd6ff28
> ffffffff8104003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84
> 00 00 00 00 00 55 48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48
> 89 e5 fb f4 <c9> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66
> 0f 1f 84
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] Pid: 0, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] <NMI> [<ffffffff8104a786>] ? show_regs+0x26/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff813be5f0>] nmi+0x20/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff81066716>] ? native_safe_halt+0x6/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] <<EOE>> [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.126621] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] NMI backtrace for cpu 11
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] CPU 11
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] Modules linked in: btrfs zlib_deflate crc32c
> libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs
> reiserfs ext4 jbd2 crc16 ext3 jbd vhost_net macvtap macvlan tun veth
> powernow_k8 mperf cpufreq_userspace cpufreq_stats cpufreq_powersave
> cpufreq_ondemand freq_table cpufreq_conservative fuse xt_physdev
> ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit
> xt_tcpudp xt_state iptable_filter ip_tables x_tables
> nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4
> 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath
> nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer
> snd soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm
> pci_hotplug psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev
> ghes serio_raw processor thermal_sys hed button xfs exportfs dm_mod
> sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure lpfc
> scsi_transport_fc ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2
> ehci_hcd [last unloaded: scsi_wait_sca
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] Pid: 0, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17 Dell Inc. PowerEdge M605/0K543T
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] RIP: 0010:[<ffffffff81066716>] [<ffffffff81066716>]
> native_safe_halt+0x6/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] RSP: 0018:ffff88045fd8fea8 EFLAGS: 00000246
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] RAX: 0000000000000000 RBX: 000000000000000b RCX:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] RDX: 0000000000000000 RSI: ffff88045fd8fee4 RDI:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] RBP: ffff88045fd8fea8 R08: 0000000000000000 R09:
> ffff88087fd4e408
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] R10: 000028ce71c3578e R11: 0000000000000001 R12:
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] R13: 000000000000000b R14: 0000000000000000 R15:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] FS: 00007fa0ce156740(0000) GS:ffff88087fd40000(0000)
> knlGS:0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] CR2: 00007f2421c3eae0 CR3: 000000045ea45000 CR4:
> 00000000000006e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] Process kworker/0:1 (pid: 0, threadinfo
> ffff88045fd8e000, task ffff88045fd86a20)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] Stack:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] ffff88045fd8fec8 ffffffff8104a016 ffff88045fd8fee4
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] ffff88045fd8fef8 ffffffff8104a168 ffff88045fd8fee8
> 00000000810b3255
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] ffff88045fd8e010 ffffffff8159faf0 ffff88045fd8ff28
> ffffffff8104003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84
> 00 00 00 00 00 55 48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48
> 89 e5 fb f4 <c9> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66
> 0f 1f 84
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] Pid: 0, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] <NMI> [<ffffffff8104a786>] ? show_regs+0x26/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff813be5f0>] nmi+0x20/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff81066716>] ? native_safe_halt+0x6/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] <<EOE>> [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.111333] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] NMI backtrace for cpu 8
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] CPU 8
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] Modules linked in: btrfs zlib_deflate crc32c
> libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs
> reiserfs ext4 jbd2 crc16 ext3 jbd vhost_net macvtap macvlan tun veth
> powernow_k8 mperf cpufreq_userspace cpufreq_stats cpufreq_powersave
> cpufreq_ondemand freq_table cpufreq_conservative fuse xt_physdev
> ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit
> xt_tcpudp xt_state iptable_filter ip_tables x_tables
> nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4
> 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath
> nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer
> snd soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm
> pci_hotplug psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev
> ghes serio_raw processor thermal_sys hed button xfs exportfs dm_mod
> sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure lpfc
> scsi_transport_fc ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2
> ehci_hcd [last unloaded: scsi_wait_sca
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010]
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] Pid: 0, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17 Dell Inc. PowerEdge M605/0K543T
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] RIP: 0010:[<ffffffff81066716>] [<ffffffff81066716>]
> native_safe_halt+0x6/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] RSP: 0018:ffff88045fd63ea8 EFLAGS: 00000246
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] RAX: 0000000000000000 RBX: 0000000000000008 RCX:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] RDX: 0000000000000000 RSI: ffff88045fd63ee4 RDI:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] RBP: ffff88045fd63ea8 R08: 0000000000000000 R09:
> ffff88007f90e408
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] R10: 0000000000000000 R11: 0000000000000001 R12:
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] R13: 0000000000000008 R14: 0000000000000000 R15:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] FS: 00007fb8e0891710(0000) GS:ffff88007f900000(0000)
> knlGS:0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] CR2: 0000000000e63f28 CR3: 000000045ed50000 CR4:
> 00000000000006e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] Process kworker/0:1 (pid: 0, threadinfo
> ffff88045fd62000, task ffff88045fd34960)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] Stack:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] ffff88045fd63ec8 ffffffff8104a016 ffff88045fd63ee4
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] ffff88045fd63ef8 ffffffff8104a168 ffff88045fd63ee8
> 00000000810b3255
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] ffff88045fd62010 ffffffff8159faf0 ffff88045fd63f28
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136088] kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136098]
> irqfd_deactivate(irqfd=ffff880853b8caa0,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84
> 00 00 00 00 00 55 48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48
> 89 e5 fb f4 <c9> c3 0f
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136661] kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136665]
> irqfd_deactivate(irqfd=ffff880810a21e00,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136702] irqfd_shutdown(work=ffff880810a21e80,irqfd=ffff880810a21e00,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136709] remove wq at
> irqfd_shutdown(work=ffff880810a21e80,irqfd=ffff880810a21e00)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136715] kfree at
> irqfd_shutdown(work=ffff880810a21e80,irqfd=ffff880810a21e00)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] 1f 84 00 00 00
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136910]
> kvm_irqfd_assign(irqfd=ffff880853b8caa0,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] 00 00 55 48 89 e5 f4 c9 c3 66 0f 1f 84
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] [<ffffffff8104a168>] c1e_idle+0x58/0x120
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.108010] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136975] Pid: 0, comm: kworker/0:1 Not tainted
> 2.6.37.2-patchjp-110308-c+ #17
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136975] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136975] <NMI> [<ffffffff8104a786>] ? show_regs+0x26/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136975] [<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136975] [<ffffffff813be5f0>] nmi+0x20/0x30
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.136975] [<ffffffff81066716>] ? native_safe_halt+0x6/0x10
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] FS: 00007f2787814700(0000) GS:ffff88007f940000(0000)
> knlGS:0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] CR2: 0000000000e63f28 CR3: 000000045ea45000 CR4:
> 00000000000006e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] Process kworker/0:1 (pid: 0, threadinfo
> ffff88045fd80000, task ffff88045fd769e0)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004] Stack:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] ffff88045fd81ec8 ffffffff8104a016 ffff88045fd81ee4
> ffffffff8159faf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] ffff88045fd81ef8 ffffffff8104a168 ffff88045fd81ee8
> 00000000810b3255
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] ffff88045fd80010 ffffffff8159faf0 ffff88045fd81f28
> ffffffff8104003b
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] Call Trace:
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] [<ffffffff8104a016>] default_idle+0x46/0xa0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] [<ffffffff8104003b>] cpu_idle+0x6b/0xf0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] [<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.120004] [<ffffffff813b7247>] start_secondary+0x1b9/0x1be
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.148658] kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.148687]
> irqfd_deactivate(irqfd=ffff880853b8caa0,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.148759] irqfd_shutdown(work=ffff880853b8cb20,irqfd=ffff880853b8caa0,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.148814] remove wq at
> irqfd_shutdown(work=ffff880853b8cb20,irqfd=ffff880853b8caa0)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.148862] kfree at
> irqfd_shutdown(work=ffff880853b8cb20,irqfd=ffff880853b8caa0)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.149086]
> kvm_irqfd_assign(irqfd=ffff88081a190b78,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.149379] kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=48)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.149416]
> irqfd_deactivate(irqfd=ffff88045efd3740,kvm=ffff8804542d0000,
> gsi=48)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.149540] irqfd_shutdown(work=ffff88045efd37c0,irqfd=ffff88045efd3740,kvm=ffff8804542d0000,
> gsi=48)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.149594] remove wq at
> irqfd_shutdown(work=ffff88045efd37c0,irqfd=ffff88045efd3740)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.149643] kfree at
> irqfd_shutdown(work=ffff88045efd37c0,irqfd=ffff88045efd3740)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.149922]
> kvm_irqfd_assign(irqfd=ffff88080f7aa818,kvm=ffff8804542d0000,
> gsi=48)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.171869] kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.171907]
> irqfd_deactivate(irqfd=ffff88081a190b78,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.171989] irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.172111] remove wq at
> irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.172160] kfree at
> irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.172493]
> kvm_irqfd_assign(irqfd=ffff88083b062308,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.172672] kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.172710]
> irqfd_deactivate(irqfd=ffff88083b062308,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.172782] irqfd_shutdown(work=ffff88083b062388,irqfd=ffff88083b062308,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.172836] remove wq at
> irqfd_shutdown(work=ffff88083b062388,irqfd=ffff88083b062308)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.172884] kfree at
> irqfd_shutdown(work=ffff88083b062388,irqfd=ffff88083b062308)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.173074]
> kvm_irqfd_assign(irqfd=ffff88081a190230,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.175303] kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.175339]
> irqfd_deactivate(irqfd=ffff88081a190230,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.175466] irqfd_shutdown(work=ffff88081a1902b0,irqfd=ffff88081a190230,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.175521] remove wq at
> irqfd_shutdown(work=ffff88081a1902b0,irqfd=ffff88081a190230)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.175569] kfree at
> irqfd_shutdown(work=ffff88081a1902b0,irqfd=ffff88081a190230)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.175769]
> kvm_irqfd_assign(irqfd=ffff88045eabb668,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.176002] kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.176058]
> irqfd_deactivate(irqfd=ffff88045eabb668,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.176122] irqfd_shutdown(work=ffff88045eabb6e8,irqfd=ffff88045eabb668,kvm=ffff8804542d0000,
> gsi=24)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.176177] remove wq at
> irqfd_shutdown(work=ffff88045eabb6e8,irqfd=ffff88045eabb668)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.176225] kfree at
> irqfd_shutdown(work=ffff88045eabb6e8,irqfd=ffff88045eabb668)
> Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel:
> [44867.176427]
> kvm_irqfd_assign(irqfd=ffff88045ed96c50,kvm=ffff8804542d0000, gsi=24
>
>
> You can find all the trace at the following adress:
> http://filex.univ-nantes.fr/get?k=R94kna5sckVmdvCoKsn
>
> It's a tar.gz of seven file, from 100k to 200k each ;)
>
> Again, thanks a lot for the time you spent on this.
>
> Regards.
Are you running a preemptible kernel?
Does the following help at all?
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 2ca4535..cdf51c9 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -90,7 +90,7 @@ irqfd_shutdown(struct work_struct *work)
* We know no new events will be scheduled at this point, so block
* until all previously outstanding events have completed
*/
- flush_work(&irqfd->inject);
+ flush_work_sync(&irqfd->inject);
/*
* It is now safe to release the object's resources
--
MST
--
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