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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1322824

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

** Tags added: trusty

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https://bugs.launchpad.net/bugs/1322824

Title:
  unknown server panic

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  A Ubuntu 14.04 server died with a kernel panic with this stacktrace:

  [245407.543823] Call Trace: 
  [249407.544937] <IRQ> [<ffffffff81715ac4>] dunp_stack+0x45/0x56
  [249407.546067] [<ffffffff810676bd>] uarn_sloupath_common+0x7d/0xa0
  [249407.547173] [<ffffffff8106779a>] uarn_sloupath_null+0x1a/0x20
  [249407.548257] [<ffffffff8104023d>] natiue_smp_send_reschedule+0x5d/0x60
  [249407.549341] [<ffffffff810a7ffa>] trigger_load_balance+0x16a/0x1e0
  [249407.550416] [<ffffffff810992b4>] scheduler_tick+0xa4/0xf0
  [249407.551484] [<ffffffff81076230>] update_process_times+0x60/0x70
  [249407.552550] [<ffffffff810d5be5>] tick_sched_handle.isra.17+0x2S/0x60
  [249407.553608] [<ffffffff810d5c61>] tick_sched_timer+0x41/0x60
  [249407.554671] [<ffffffff8108e537>] __run_hrtimer+0x77/0x1d0
  [249407.555728] [<ffffffff810d5c20>] ? tick_sched_handle.isra.17+0x60/0x60
  [249407.556785] [<ffffffff8108ed3f>] hrtimer_interrupt+0xef/0x230
  [249407.557842] [<ffffffff81043087>] local_apic_tiner_interrupt+0x37/0x60
  [249407.558900] [<ffffffff8172887f>] smp_apic_tiner_interrupt+0x3f/0x60
  [249407.559955] [<ffffffff8172721d>] apic_tiner_interrupt+0x6d/0x80
  [249407.561023] [<ffffffffa026aab8>] ? intel_crtc_set_config+0x668/0x9a0 [i915]
  [249407.562092] [<ffffffff8170ed90>] ? panic+0x193/0x1d7
  [249407.563156] [<ffffffff8171f009>] oops_end+0x139/0x150
  [249407.564214] [<ffffffff8170e784>] no_context+0x27e/0x28b
  [249407.565270] [<ffffffff8170e804>] __bad_area_nosemaphore+0x73/0x1ca
  [249407.566327] [<ffffffff8170e96e>] bad_area_nosemaphore+0x13/0x15
  [249407.567377] [<ffffffff81721947>] __do_page_fault+0xa7/0x560
  [249407.568429] [<ffffffff81675634>] ? tcp_u4_rcu+0x664/0x7a0
  [249407.569479] [<ffffffff81650778>] ? ip_1ocal_deliuer_finish+0xa8/0x210
  [249407.570531] [<ffffffff81650a78>] ? ip_local_deliuer+0x48/0x80
  [249407.571575] [<ffffffff816503fd>] ? ip_rcu_finish+0x7d/0x350
  [249407.572613] [<ffffffff81721e1a>] do_page_fault+0x1a/0x70
  [249407.573606] [<ffffffff8171e288>] page_fault+0x28/0x30
  [249407.574528] [<ffffffffa006290a>] ? rtl8169_poll+0x22a/0x680 [r8169]
  [249407.575437] [<ffffffff8101b763>] ? natiue_sched_c1ock+0x13/0x80
  [249407.576339] [<ffffffff8161aee2>] net_rx_nction+0x152/0x250
  [249407.577246] [<ffffffff8106caec>] __do_softirq+0xec/0x2c0
  [249407.578149] [<ffffffff8106d035>] irq_cxit+0x105/0x110
  [249407.579049] [<ffffffff817287d6>] do_IRQ+0x56/0xc0
  [249407.579943] [<ffffffff8171df6d>] common_interrupt+0x6d/0x6d
  [249407.580835] (EOI) [<ffffffff815c95df>] ? cpuidle_cnter_state+0x4f/0xc0
  [249407.581731] [<ffffffff815c9709>] cpuidle_idle_call+0xb9/0x1f0
  [249407.582593] [<ffffffff8101ceae>] arch_cpu_idle+0xe/0x30
  [249407.583421] [<ffffffff810beb85>] cpu_startup_entry+0xc5/0x290
  [249407.584226] [<ffffffff81703f97>] rest_init+0x77/0x80
  [249407.585010] [<ffffffff81d34f70>] start_kernel+0x438/0x443
  [249407.585772] [<ffffffff81d34941>] ? repair_cnu_string+0x5c/0x5c
  [249407.586521] [<ffffffff81d34120>] ? early_idt_handlers+0x120/0x120
  [249407.587257] [<ffffffff81d345ee>] x86_64_start_reseruations+0x2a/0x2c
  [249407.587979] [<ffffffff81d34733>] x86_64_start_kernel+0x143/0x152
  [249407.588687]  ---[ and trace 05db40b9a357e3e2 ]---

  uname -a
  Linux bayanbox2 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

  
  The stackstrace is OCRed from screenshot of server (via KVM) and may be contains some spelling errors (original screenshot is attached).
  Also this stacktrace did not appeared in any log files.
  The apport server information is also attached.

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