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Message-ID: <20100603095808.GA15044@auslistsprd01.us.dell.com> Date: Thu, 3 Jun 2010 04:58:08 -0500 From: Narendra K <Narendra_K@...l.com> To: netdev@...r.kernel.org Cc: fubar@...ibm.com Subject: Re: Call trace related to bonding seen in 2.6.34 > Hello, > > Call trace related to bond_mii_monitor as described in this thread - > http://patchwork.ozlabs.org/patch/41288/ was seen on 2.6.34 kernel. > (Trace is similar to what is described in the post dated 2009-12-17 > 21:31:36.) The trace is seen when the network service is stopped. The > issue occurs when the network service is started and stopped in quick > succession. > > Bonding device configuration parameters are as below - > > Bonding driver version:3.6.0 > Mode: balance-alb (issue is also seen with active-backup mode) > Miimon=100 > 3 slaves with link up and one slave with link down. > > Though this requires more thought and investigation, I thought this > could be a good data point. The below change to the bonding driver > seemed to make the issue go away - > > drivers/net/bonding/bond_main.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/drivers/net/bonding/bond_main.c > b/drivers/net/bonding/bond_main.c > index 0075514..f280aaf 100644 > --- a/drivers/net/bonding/bond_main.c > +++ b/drivers/net/bonding/bond_main.c > @@ -2408,7 +2408,7 @@ void bond_mii_monitor(struct work_struct *work) > } > > re_arm: > - if (bond->params.miimon) > + if (bond->params.miimon && !bond->kill_timers) > queue_delayed_work(bond->wq, &bond->mii_work, > > msecs_to_jiffies(bond->params.miimon)); > out: > > Any thoughts ? Sorry, i missed attaching the trace here. Please find the trace below - [ 270.811391] bonding: bond0: Removing slave eth0 [ 270.815934] bonding: bond0: Warning: the permanent HWaddr of eth0 - 00:22:19:5b:8b:97 - is still in use by bond0. Set the HWaddr of eth0 to a different address to avoid conflicts. [ 270.831913] bonding: bond0: releasing active interface eth0 [ 270.831919] device eth0 left promiscuous mode [ 270.831953] bonding: bond0: making interface eth1 the new active one. [ 270.904113] ------------[ cut here ]------------ [ 270.908076] kernel BUG at kernel/workqueue.c:354! [ 270.908076] invalid opcode: 0000 [#1] SMP [ 270.908076] last sysfs file: /sys/devices/virtual/net/bond0/bonding/slaves [ 270.908076] CPU 0 [ 270.908076] Modules linked in: af_packet bonding ipv6 cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq microcode fuse loop dm_mod joydev sg iTCO_wdt usbhid rtc_cmos rtc_core mptctl iTCO_vendor_support pcspkr hid tpm_tis ioatdma tpm dca bnx2 rtc_lib power_meter serio_raw sr_mod dcdbas tpm_bios cdrom button uhci_hcd ehci_hcd sd_mod crc_t10dif usbcore edd ext3 mbcache jbd fan processor ide_pci_generic ide_core ata_generic ata_piix libata mptsas mptscsih mptbase scsi_transport_sas scsi_mod thermal thermal_sys hwmon [ 270.908076] [ 270.908076] Pid: 14690, comm: bond0 Not tainted 2.6.34-upstream #1 0K399H/PowerEdge R610 [ 270.908076] RIP: 0010:[<ffffffff81062366>] [<ffffffff81062366>] queue_delayed_work_on+0x106/0x110 [ 270.908076] RSP: 0018:ffff880423b1ddc0 EFLAGS: 00010282 [ 270.908076] RAX: 0000000000000000 RBX: ffff880423a289f0 RCX: 0000000000000019 [ 270.908076] RDX: 0000000000000000 RSI: ffff880417871a00 RDI: 00000000ffffffff [ 270.908076] RBP: ffff880423b1ddf0 R08: 0000000000000018 R09: 0000000000000001 [ 270.908076] R10: 0000000000000000 R11: 0000000000000003 R12: ffff880423a286c0 [ 270.908076] R13: ffff880417871a00 R14: 00000000ffffffff R15: 0000000000000019 [ 270.908076] FS: 0000000000000000(0000) GS:ffff880237200000(0000) knlGS:0000000000000000 [ 270.908076] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 270.908076] CR2: 00007f6b162da980 CR3: 0000000001604000 CR4: 00000000000006f0 [ 270.908076] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 270.908076] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 270.908076] Process bond0 (pid: 14690, threadinfo ffff880423b1c000, task ffff880423980100) [ 270.908076] Stack: [ 270.908076] ffff880423980100 ffff8802261b1a00 ffff880423a286c0 0000000000000003 [ 270.908076] <0> ffff880423a289f0 0000000000000000 ffff880423b1de00 ffffffff810623ac [ 270.908076] <0> ffff880423b1de50 ffffffffa030c331 ffffffff8160c020 ffff880423a286f0 [ 270.908076] Call Trace: [ 270.908076] [<ffffffff810623ac>] queue_delayed_work+0x1c/0x30 [ 270.908076] [<ffffffffa030c331>] bond_mii_monitor+0x371/0x600 [bonding] [ 270.908076] [<ffffffffa030bfc0>] ? bond_mii_monitor+0x0/0x600 [bonding] [ 270.908076] [<ffffffff81061523>] worker_thread+0x133/0x200 [ 270.908076] [<ffffffff81065af0>] ? autoremove_wake_function+0x0/0x40 [ 270.908076] [<ffffffff810613f0>] ? worker_thread+0x0/0x200 [ 270.908076] [<ffffffff81065546>] kthread+0x96/0xa0 [ 270.908076] [<ffffffff81003d04>] kernel_thread_helper+0x4/0x10 [ 270.908076] [<ffffffff810654b0>] ? kthread+0x0/0xa0 [ 270.908076] [<ffffffff81003d00>] ? kernel_thread_helper+0x0/0x10 [ 270.908076] Code: ff 48 8b 75 08 4c 89 e7 e8 c8 79 ff ff e9 7c ff ff ff 44 89 f6 4c 89 e7 e8 68 7b ff ff ba 01 00 00 00 e9 28 ff ff ff 0f 0b eb fe <0f> 0b eb fe 66 0f 1f 44 00 00 55 48 89 f0 48 8b 35 65 18 76 00 [ 270.908076] RIP [<ffffffff81062366>] queue_delayed_work_on+0x106/0x110 [ 270.908076] RSP <ffff880423b1ddc0> [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu With regards, Narendra K -- 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
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