linux-kernel - Re: PROBLEM: oops

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Message-ID: <alpine.LNX.2.00.0908261113450.16876@fgnss.gnfx.tqn.cy>
Date:	Wed, 26 Aug 2009 11:21:04 +0200 (CEST)
From:	Pawel Golaszewski <blues@....pl>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Dhaval Giani <dhaval.giani@...il.com>
Subject: Re: PROBLEM: oops

On Wed, 26 Aug 2009, Peter Zijlstra wrote:
> > > > > could you try to reproduce without that?
> > > > > 
> > > > > CONFIG_GROUP_SCHED=n
> > > > I'll try. 
> > It seems that problem still exists - system has crashed too. From 
> > netconsole: Any ideas? Last kernel I was using is 2.6.27.13 - works 
> > fine. None between 13 and 31 tested...
> # git log --format=oneline v2.6.27.13..v2.6.27.31 kernel/sched*
> 2b46f3769896dc04e1e49144d282e4655677105a wait: prevent exclusive waiter starvation
> 
> Nothing changed anywhere near the code that is falling apart..

I have 2 machines with the same hardware and similar software.
On one .13 is stable - I will test it on the second one. Should be too.

> Also:
> 
> [20621.263297] BUG: unable to handle kernel paging request at ffffffd8
> [20621.263396] IP: [<c081cc50>] hrtick_start_fair+0x0/0x30
[...]
> Suggests something went terribly wrong and corrupted a fundamental data 
> structure. Maybe turning on each and every debug feature related to 
> memory debugging might help.

ok, I'm a monkey - what can I do? :)

-- 
pozdr.  Paweł Gołaszewski          jid:blues<at>jabber<dot>gda<dot>pl
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