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Date: Wed, 02 Feb 2011 09:53:33 +0100 From: Yann Dupont <Yann.Dupont@...v-nantes.fr> To: linux-kernel@...r.kernel.org Subject: kernel 2.6.37 : oops in cleanup_once Hello. We recently upgraded one machine with vanilla 2.6.37, and experienced 2 kernel oops since. Each oops is after ~1 week of uptime. The last oops was last night but we didn't had any trace. Here is the previous oops : Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316042] BUG: unable to handle kernel NULL pointer dereference at 000000000000000d Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316096] IP: [<ffffffff8130e6bf>] cleanup_once+0x3f/0xa0 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316135] PGD 0 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316157] Oops: 0002 [#1] SMP Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316188] last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316234] CPU 1 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316240] Modules linked in: xt_physdev ip6t_LOG nf_conntrack_ipv6 nf_defrag_ipv6 ipt_LOG xt_multiport xt_limit nf_conntrack_tftp nf_conntrack_ftp tun ip6table_filter ip6_tables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables kvm_intel kvm ipv6 8021q bridge stp ext2 mbcache fuse snd_pcm snd_timer snd soundcore snd_page_alloc i5000_edac edac_core psmouse evdev i5k_amb tpm_tis tpm joydev dcdbas tpm_bios pcspkr rng_core ghes shpchp serio_raw pci_hotplug processor hed button thermal_sys xfs exportfs dm_mod sg sr_mod sd_mod cdrom usbhid hid usb_storage qla2xxx scsi_transport_fc scsi_tgt uhci_hcd mptsas mptscsih ehci_hcd mptbase bnx2 scsi_transport_sas scsi_mod [last unloaded: scsi_wait_scan] Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316694] Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316715] Pid: 0, comm: kworker/0:0 Not tainted 2.6.37-dsiun-110105 #17 0MY736/PowerEdge M600 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316761] RIP: 0010:[<ffffffff8130e6bf>] [<ffffffff8130e6bf>] cleanup_once+0x3f/0xa0 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316808] RSP: 0018:ffff8800cfc43e20 EFLAGS: 00010202 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316834] RAX: ffff8803d3158018 RBX: ffff8803d3158000 RCX: 0000000000000005 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.316878] RDX: 0b000209f1beadde RSI: 00000000000000ac RDI: ffffffff8152a970 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318512] RBP: 00000000000248f6 R08: 00000000003d0900 R09: 0000000000000000 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318560] R10: dead000000200200 R11: 0000000000000000 R12: ffff8800cfc43ea0 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318604] R13: 0000000000000100 R14: ffff88040fc99fd8 R15: 0000000000000000 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318652] FS: 0000000000000000(0000) GS:ffff8800cfc40000(0000) knlGS:0000000000000000 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318698] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318725] CR2: 000000000000000d CR3: 00000000014f1000 CR4: 00000000000026e0 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318768] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318812] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318855] Process kworker/0:0 (pid: 0, threadinfo ffff88040fc98000, task ffff88040fc6c2e0) Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318901] Stack: Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318921] 0000000000000082 00000001029221c1 00000000000248f6 ffffffff8130e988 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.318971] ffff88040fc90000 ffff88040fc90000 ffffffff8152a9a0 ffffffff8105e95f Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319021] ffff8800cfc43e58 ffff88040fc91020 ffffffff8130e950 ffff88040fc99fd8 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319072] Call Trace: Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319093] <IRQ> Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319116] [<ffffffff8130e988>] ? peer_check_expire+0x38/0x110 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319146] [<ffffffff8105e95f>] ? run_timer_softirq+0x16f/0x350 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319175] [<ffffffff8130e950>] ? peer_check_expire+0x0/0x110 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319204] [<ffffffff81079c6b>] ? ktime_get+0x5b/0xe0 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319232] [<ffffffff8105685a>] ? __do_softirq+0xaa/0x1e0 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319260] [<ffffffff81003ddc>] ? call_softirq+0x1c/0x30 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319288] [<ffffffff81005f75>] ? do_softirq+0x65/0xa0 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319315] [<ffffffff81056745>] ? irq_exit+0x85/0x90 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319343] [<ffffffff8102137a>] ? smp_apic_timer_interrupt+0x6a/0xa0 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319373] [<ffffffff81003893>] ? apic_timer_interrupt+0x13/0x20 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319401] <EOI> Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319427] [<ffffffffa032218c>] ? acpi_idle_enter_bm+0x243/0x27b [processor] Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319473] [<ffffffffa0322185>] ? acpi_idle_enter_bm+0x23c/0x27b [processor] Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319519] [<ffffffff812c0deb>] ? cpuidle_idle_call+0x8b/0x140 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319547] [<ffffffff8100208a>] ? cpu_idle+0x6a/0xf0 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319573] Code: 00 48 8b 05 c4 c2 21 00 48 3d 60 a9 52 81 74 5c 48 8d 58 e8 48 8b 15 11 02 24 00 2b 53 28 48 39 ea 72 49 48 8b 4b 18 48 8b 53 20 <48> 89 51 08 48 89 0a 48 89 43 18 48 89 43 20 f0 ff 40 14 48 c7 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319768] RIP [<ffffffff8130e6bf>] cleanup_once+0x3f/0xa0 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319797] RSP <ffff8800cfc43e20> Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.319820] CR2: 000000000000000d Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.320187] ---[ end trace eaf3ed2d46c78768 ]--- Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.320257] Kernel panic - not syncing: Fatal exception in interrupt Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.320329] Pid: 0, comm: kworker/0:0 Tainted: G D 2.6.37-dsiun-110105 #17 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.320418] Call Trace: Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.320481] <IRQ> [<ffffffff8137c75e>] ? panic+0x92/0x1a2 Jan 21 13:15:41 linkwood.u11.univ-nantes.prive kernel: [172825.320601] [<ffffffff81007357>] ? oops_end+0xe7/0xf0 Any ideas ?? This machine is running lots of kvm hosts. I can provide the .config if needed. -- Yann Dupont - Service IRTS, DSI Université de Nantes Tel : 02.53.48.49.20 - Mail/Jabber : Yann.Dupont@...v-nantes.fr -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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