Public bug reported:
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.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: trusty
** Attachment added: "original panic screenshot"
https://bugs.launchpad.net/bugs/1322824/+attachment/4118803/+files/Screenshot%20from%202014-05-24%2009%3A43%3A08.png
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Title:
unknown server panic
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