kernel-packages team mailing list archive

[Eric Desrochers <eric.desrochers@xxxxxxxxxxxxx>]

It also been brought to my attention the following about the hotfix
kernel:

--
Hi Eric,

We have applied the update from your PPA to the controller nodes and
they have been stable over the weekend. We will see if they remain
stable under load over the rest of the week.

Thanks
--

Eric

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1546320

Title:
  crash starting at kernel v3.13.0-72  in timer code

Status in linux package in Ubuntu:
  Triaged
Status in linux-lts-utopic package in Ubuntu:
  Invalid
Status in linux source package in Trusty:
  Fix Committed
Status in linux-lts-utopic source package in Trusty:
  Fix Committed
Status in linux source package in Vivid:
  Fix Committed

Bug description:
  Register %RAX is LIST_POISON2.

  [239837.578526] general protection fault: 0000 [#1] SMP
  ...
  [239837.664031] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 3.13.0-74-generic #118-Ubuntu
  [239837.672997] Hardware name: XXXXXXXXXXXXXXXXXX
  [239837.685506] task: ffff881028dc6000 ti: ffff881028dce000 task.ti: ffff881028dce000
  [239837.694280] RIP: 0010:[<ffffffff810756a4>] [<ffffffff810756a4>] detach_if_pending+0x34/0xb0
  [239837.704179] RSP: 0018:ffff88103fa03d10 EFLAGS: 00010002
  [239837.710425] RAX: dead000000200200 RBX: ffffffffa01be040 RCX: 000000000000303e
  [239837.718778] RDX: ffff8810288906b8 RSI: ffff881028f60000 RDI: ffffffffa01be040
  [239837.727137] RBP: ffff88103fa03d30 R08: 0000000000000086 R09: ffff881028f88000
  [239837.735505] R10: 0000000000000002 R11: 0000000000000005 R12: ffffffffa01be040
  [239837.760360] R13: ffff881028f60000 R14: 0000000000000001 R15: 0000000000000001
  [239837.785862] FS: 0000000000000000(0000) GS:ffff88103fa00000(0000) knlGS:0000000000000000
  [239837.812540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [239837.827508] CR2: 00000000033d4048 CR3: 0000000001c0e000 CR4: 00000000001407e0
  [239837.852880] Stack:
  [239837.863639] ffffffffa01be040 0000000000000000 ffff881028f60000 ffff882025639a00
  [239837.889101] ffff88103fa03d60 ffffffff81075766 0000000000000086 ffffffffa01be020
  [239837.914247] ffff88103fa03d98 0000000000000100 ffff88103fa03d88 ffffffff81082369
  [239837.939532] Call Trace:
  [239837.950648] <IRQ>
  [239837.952982]
  [239837.963021] [<ffffffff81075766>] del_timer+0x46/0x70
  [239837.974969] [<ffffffff81082369>] try_to_grab_pending+0xa9/0x160
  [239837.989674] [<ffffffff81082453>] mod_delayed_work_on+0x33/0x70
  [239838.003709] [<ffffffffa01bb3ba>] set_timeout+0x3a/0x40 [ib_addr]
  [239838.018469] [<ffffffffa01bb559>] netevent_callback+0x29/0x30 [ib_addr]
  [239838.033727] [<ffffffff8173125c>] notifier_call_chain+0x4c/0x70
  [239838.047561] [<ffffffff81634a60>] ? neigh_table_clear+0x120/0x120
  [239838.062010] [<ffffffff817312ba>] atomic_notifier_call_chain+0x1a/0x20
  [239838.076485] [<ffffffff8163100b>] call_netevent_notifiers+0x1b/0x20
  [239838.090371] [<ffffffff81634b21>] neigh_timer_handler+0xc1/0x2c0
  [239838.104354] [<ffffffff810745d6>] call_timer_fn+0x36/0x100
  [239838.117021] [<ffffffff81634a60>] ? neigh_table_clear+0x120/0x120
  [239838.131002] [<ffffffff8107556f>] run_timer_softirq+0x1ef/0x2f0
  [239838.143985] [<ffffffff8106cd2c>] __do_softirq+0xec/0x2c0
  [239838.156386] [<ffffffff8106d275>] irq_exit+0x105/0x110
  [239838.168325] [<ffffffff81737b15>] smp_apic_timer_interrupt+0x45/0x60
  [239838.181501] [<ffffffff8173649d>] apic_timer_interrupt+0x6d/0x80
  [239838.193978] <EOI>
  [239838.196317]
  [239838.203483] [<ffffffff815d65b2>] ? cpuidle_enter_state+0x52/0xc0
  [239838.214553] [<ffffffff815d66d9>] cpuidle_idle_call+0xb9/0x1f0
  [239838.226799] [<ffffffff8101d3ee>] arch_cpu_idle+0xe/0x30
  [239838.238745] [<ffffffff810bf475>] cpu_startup_entry+0xc5/0x290
  [239838.250792] [<ffffffff810415ed>] start_secondary+0x21d/0x2d0
  [239838.263165] Code: 89 e5 41 56 41 89 d6 41 55 41 54 49 89 fc 53 48 8b 17 48 85 d2 74 55 49 89 f5 0f 1f 44 00 00 49 8b 44 24 08 45 84 f6 48 89 42 08 <48> 89 10 74 08 49 c7 04 24 00 00 00 00 41 f6 44 24 18 01 48 b8
  [239838.301935] RIP [<ffffffff810756a4>] detach_if_pending+0x34/0xb0
  [239838.314036] RSP <ffff88103fa03d10>

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