Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

From: Jan Beulich
Date: Tue Aug 29 2006 - 07:05:32 EST


>>> Borislav Petkov <bbpetkov@xxxxxxxx> 29.08.06 13:01 >>>
>On Tue, Aug 29, 2006 at 11:57:37AM +0200, Jan Beulich wrote:
>> >>> Borislav Petkov <bbpetkov@xxxxxxxx> 29.08.06 10:53 >>>
>> >Hi,
>> > I just read that unwinder thread and I think I have yet another case of
>> > unwinder backtrace that comes up together with the recursive deadlock
>> > protection backtrace and this happens with 18-rc5 so I thought I should
>> > report it before .18 is released:
>> >...
>> >Aug 29 10:21:22 zmei kernel: [ 383.485261] [<c0105393>] do_IRQ+0xc3/0xd0
>> >Aug 29 10:21:22 zmei kernel: [ 383.489393] [<c0103521>] common_interrupt+0x25/0x2c
>> >Aug 29 10:21:22 zmei kernel: [ 383.494387] DWARF2 unwinder stuck at common_interrupt+0x25/0x2c
>> >Aug 29 10:21:22 zmei kernel: [ 383.500304] Leftover inexact backtrace:
>> ></snip>
>>
>> Unfortunately this leaves unclear whether there was anything reported in
>> the leftover portion.
>> And in all cases, a sufficiently long raw stack trace is needed to analyse this.
>> Ideally a matching System.map would also be attached.
>>
>> Jan
>
>Actually, that's all there was in dmesg. System.map is at
>http://tim.dnsalias.org/System.map-2.6.18-rc5.

Without a hex dump of stack contents there's very little I can do.

Jan
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