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[Mohammad Taha Jahangir <1322824@xxxxxxxxxxxxxxxxxx>]

The apport report already attached (result of executing `ubuntu-bug
linux`)

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

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

Title:
  unknown server panic

Status in “linux” package in Ubuntu:
  Confirmed

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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