Hi,
i tried booting 3.0.0-16 20 times - no panic.
Then I retried with 3.0.0.17: at the 6th attempt (today, ... sometimes
it happens even faster) another crash occured. Below you can find the
backtrace. Shall I upload the complete dumpfile?
KERNEL: kernel_link
DUMPFILE: dump.201203311908 [PARTIAL DUMP]
CPUS: 4
DATE: Sat Mar 31 19:08:04 2012
UPTIME: 00:00:12
LOAD AVERAGE: 0.39, 0.08, 0.03
TASKS: 171
NODENAME: hitchhiker
RELEASE: 3.0.0-17-generic
VERSION: #30-Ubuntu SMP Thu Mar 8 20:45:39 UTC 2012
MACHINE: x86_64 (1796 Mhz)
MEMORY: 7.9 GB
PANIC: "[ 12.591344] Oops: 0000 [#1] SMP " (check log for details)
PID: 0
COMMAND: "swapper"
TASK: ffffffff81c0b020 (1 of 4) [THREAD_INFO: ffffffff81c00000]
CPU: 0
STATE: TASK_RUNNING (PANIC)
crash> bt -a
PID: 0 TASK: ffffffff81c0b020 CPU: 0 COMMAND: "swapper"
#0 [ffff88023fa03a50] machine_kexec at ffffffff8102de18
#1 [ffff88023fa03ad0] crash_kexec at ffffffff810aa142
#2 [ffff88023fa03ba0] oops_end at ffffffff815f4358
#3 [ffff88023fa03bd0] no_context at ffffffff815dbacf
#4 [ffff88023fa03c10] __bad_area_nosemaphore at ffffffff815dbc6a
#5 [ffff88023fa03c60] bad_area_nosemaphore at ffffffff815dbca0
#6 [ffff88023fa03c70] do_page_fault at ffffffff815f6c7d
#7 [ffff88023fa03d80] page_fault at ffffffff815f3695
[exception RIP: azx_update_rirb+100]
RIP: ffffffffa0f374f4 RSP: ffff88023fa03e38 RFLAGS: 00010002
RAX: 0000000000000002 RBX: ffff88022df82c00 RCX: 0000000000000000
RDX: 0000000000000003 RSI: ffff88022df82c00 RDI: ffff88022df82c00
RBP: ffff88023fa03e58 R8: ffff88022e6d5e00 R9: ffff88023ec000a0
R10: 0000000000001086 R11: 0000000000000400 R12: 00000000000000ff
R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88022df82c44
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#8 [ffff88023fa03e60] azx_interrupt at ffffffffa0f380c7 [snd_hda_intel]
#9 [ffff88023fa03eb0] handle_irq_event_percpu at ffffffff810cde75
#10 [ffff88023fa03f10] handle_irq_event at ffffffff810ce08e
#11 [ffff88023fa03f40] handle_fasteoi_irq at ffffffff810d0854
#12 [ffff88023fa03f60] handle_irq at ffffffff8100c252
#13 [ffff88023fa03f80] do_IRQ at ffffffff815fcdaa
--- <IRQ stack> ---
#14 [ffffffff81c01d80] ret_from_intr at ffffffff815f33d3
RIP: ffffffffffffff7e RSP: 0000000000000202 RFLAGS: 00000010
RAX: 00000000fffffffb RBX: ffffffff81c01e88 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000268 RDI: 0000000000000000
RBP: ffffffff815f33ce R8: 0000000000000f4d R9: 0000000000001086
R10: 0000000000000400 R11: ffffffff81032a79 R12: ffffffff81c01da8
R13: 0000000000000000 R14: ffff88023fa0ebc0 R15: ffffffff8104c9ae
ORIG_RAX: 00000000000969a9 CS: ffffffff8134b29b SS: ffffffff81c01e38
bt: WARNING: possibly bogus exception frame
PID: 0 TASK: ffff880232c48000 CPU: 1 COMMAND: "kworker/0:0"
#0 [ffff88023fa47e70] crash_nmi_callback at ffffffff81026268
#1 [ffff88023fa47e80] notifier_call_chain at ffffffff815f6dbd
#2 [ffff88023fa47ec0] atomic_notifier_call_chain at ffffffff815f6e1a
#3 [ffff88023fa47ed0] notify_die at ffffffff815f6e4e
#4 [ffff88023fa47f00] default_do_nmi at ffffffff815f3b19
#5 [ffff88023fa47f30] do_nmi at ffffffff815f3ed0
#6 [ffff88023fa47f50] nmi at ffffffff815f3950
[exception RIP: intel_idle+157]
RIP: ffffffff8134b26d RSP: ffff880232c51e58 RFLAGS: 00000046
RAX: 0000000000000030 RBX: 0000000000000010 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffff880232c51fd8 RDI: ffffffff81c0ea00
RBP: ffff880232c51ea8 R8: 00000000fffffffb R9: 0000000000000f9e
R10: 00000000000014e3 R11: ffff88022d96c400 R12: 0000000000000030
R13: 128086c85063ec16 R14: 0000000000000001 R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--- <NMI exception stack> ---
#7 [ffff880232c51e58] intel_idle at ffffffff8134b26d
#8 [ffff880232c51eb0] cpuidle_idle_call at ffffffff814b387d
#9 [ffff880232c51f00] cpu_idle at ffffffff8100920b
PID: 0 TASK: ffff880232c4dc80 CPU: 2 COMMAND: "kworker/0:1"
#0 [ffff88023fa87e70] crash_nmi_callback at ffffffff81026268
#1 [ffff88023fa87e80] notifier_call_chain at ffffffff815f6dbd
#2 [ffff88023fa87ec0] atomic_notifier_call_chain at ffffffff815f6e1a
#3 [ffff88023fa87ed0] notify_die at ffffffff815f6e4e
#4 [ffff88023fa87f00] default_do_nmi at ffffffff815f3b19
#5 [ffff88023fa87f30] do_nmi at ffffffff815f3ed0
#6 [ffff88023fa87f50] nmi at ffffffff815f3950
[exception RIP: intel_idle+157]
RIP: ffffffff8134b26d RSP: ffff880232c61e58 RFLAGS: 00000046
RAX: 0000000000000030 RBX: 0000000000000010 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffff880232c61fd8 RDI: ffffffff81c0ea00
RBP: ffff880232c61ea8 R8: 00000000fffffffb R9: 0000000000000f9b
R10: 00000000000015dc R11: 0000000000000001 R12: 0000000000000030
R13: 128086c85063f7c3 R14: 0000000000000002 R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--- <NMI exception stack> ---
#7 [ffff880232c61e58] intel_idle at ffffffff8134b26d
#8 [ffff880232c61eb0] cpuidle_idle_call at ffffffff814b387d
#9 [ffff880232c61f00] cpu_idle at ffffffff8100920b
PID: 0 TASK: ffff880232c6c560 CPU: 3 COMMAND: "kworker/0:1"
#0 [ffff88023fac7e70] crash_nmi_callback at ffffffff81026268
#1 [ffff88023fac7e80] notifier_call_chain at ffffffff815f6dbd
#2 [ffff88023fac7ec0] atomic_notifier_call_chain at ffffffff815f6e1a
#3 [ffff88023fac7ed0] notify_die at ffffffff815f6e4e
#4 [ffff88023fac7f00] default_do_nmi at ffffffff815f3b19
#5 [ffff88023fac7f30] do_nmi at ffffffff815f3ed0
#6 [ffff88023fac7f50] nmi at ffffffff815f3950
[exception RIP: intel_idle+157]
RIP: ffffffff8134b26d RSP: ffff880232c7de58 RFLAGS: 00000046
RAX: 0000000000000030 RBX: 0000000000000010 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffff880232c7dfd8 RDI: ffffffff81c0ea00
RBP: ffff880232c7dea8 R8: 00000000fffffffb R9: 0000000000000f9b
R10: 00000000000014e6 R11: 0000000000000001 R12: 0000000000000030
R13: 128086c85063f7c5 R14: 0000000000000003 R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--- <NMI exception stack> ---
#7 [ffff880232c7de58] intel_idle at ffffffff8134b26d
#8 [ffff880232c7deb0] cpuidle_idle_call at ffffffff814b387d
#9 [ffff880232c7df00] cpu_idle at ffffffff8100920b
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https://bugs.launchpad.net/bugs/968675
Title:
Kernel Panic during system startup
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