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Date: Wed, 18 Feb 2009 20:15:21 +0100
From: Philippe Gerum <rpm@xenomai.org>
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Subject: Re: [Xenomai-help] BUG fs/buffer.c with Linux 2.6.26,27
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To: Roman Pisl <rpisl@domain.hid>
Cc: xenomai@xenomai.org

Roman Pisl wrote:
> Hello,
> I'm porting our application to Xenomai and I found a bug with Linux
> 2.6.26 and 2.6.27 (and also .19) and Xenomai 2.4.6.1. This happens when
> the application is running and there is hard disk activity. It happens
> also when latency test is running for a while. Linux 2.6.16 with Xenomai
> 2.4.6.1 works without problem. So this is solution for now.
> 
> Tested on x86 - thinkpad laptop and pentium 4 desktop.
>

Could you disable CONFIG_PREEMPT and test again?

TIA,

> I'm not a kernel hacker but surely try to help with fixing. I'd like to
> see this fixed.
> 
> Thank you.
> 
> Roman Pisl
> 
> 
> 
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-- 
Philippe.