linux-kernel - Re: Oops in 2.6.19.1

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Message-Id: <200612301829.15980.s0348365@sms.ed.ac.uk>
Date:	Sat, 30 Dec 2006 18:29:15 +0000
From:	Alistair John Strachan <s0348365@....ed.ac.uk>
To:	Chuck Ebbert <76306.1226@...puserve.com>
Cc:	Greg KH <greg@...ah.com>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: Oops in 2.6.19.1

On Saturday 30 December 2006 17:21, Chuck Ebbert wrote:
> In-Reply-To: <200612301659.35982.s0348365@....ed.ac.uk>
>
> On Sat, 30 Dec 2006 16:59:35 +0000, Alistair John Strachan wrote:
> > I've eliminated 2.6.19.1 as the culprit, and also tried toggling
> > "optimize for size", various debug options. 2.6.19 compiled with GCC
> > 4.1.1 on an Via Nehemiah C3-2 seems to crash in pipe_poll reliably,
> > within approximately 12 hours.
>
> Which CPU are you compiling for?  You should try different options.

I should, I haven't thought of that. Currently it's compiling for 
CONFIG_MVIAC3_2, but I could try i686 for example.

> Can you post disassembly of pipe_poll() for both the one that crashes
> and the one that doesn't?  Use 'objdump -D -r fs/pipe.o' so we get the
> relocation info and post just the one function from each for now.

Sure, no problem:

http://devzero.co.uk/~alistair/2.6.19-via-c3-pipe_poll/

Both use identical configs, neither are optimised for size. The config is 
available from the same location.

-- 
Cheers,
Alistair.

Final year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
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