Re: [Vserver] Crash on 2.6.15 with vs-2.1.0.4

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Wed 11 Jan 2006 - 20:27:26 GMT
Message-ID: <20060111202726.GA26360@MAIL.13thfloor.at>

On Wed, Jan 11, 2006 at 09:01:31PM +0100, Grzegorz Nosek wrote:
> Hello all,
>
> I'm writing to report a crash with the kernel mentioned in the
> subject. Relevant netconsole output follows:
>
> Jan 11 20:41:13 40 [42949396.320000] updating scheduler params ... 173
> Jan 11 20:41:13 40 [42949396.320000] updating scheduler params ... 173
> Jan 11 20:41:13 40 [42949396.320000] BUG: spinlock recursion on CPU#0, swapper/0
> Jan 11 20:43:59 40 [42949396.320000] BUG: spinlock lockup on CPU#0,
> swapper/0, a05dd520
>
> Note: this kernel has also been patched with adaptive readahead
> patches v10, which may also affect this but I'm reporting it here
> (will try in a moment w/o readahead and update) because the string
> printed to netconsole comes from kernel/vserver/sched.c
> (vx_update_sched_param).

yes, the 'updating scheduler params' is a harmless debug
message I 'forgot' in the code, well, I could also say
I left it there intentionally :) but IMHO the spinlock
recursiona is not directly related to that, nevertheless
I will investigate it ...

> Unfortunately I have no other traces or anything at the moment. The
> machine is my regularly beaten and abused dual HT Xeon.

the register dump following that 'BUG' would be very
interesting and probably conclusive ...

thanks,
Herbert

> Best regards,
> Grzegorz Nosek
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> Vserver@list.linux-vserver.org
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Received on Wed Jan 11 20:30:07 2006

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