Re: [PATCH] avoid race condition in pick_next_task_fair inkernel/sched_fair.c

[Ingo Molnar]

* Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> On Wed, 2010-12-22 at 16:14 +0100, Miklos Vajna wrote:
> > kernel-build is a git build using the config I already sent and after a
> > 'git checkout v2.6.36'. I can try to build master as well, so far what I
> > saw is that the bug occurs there as well, but less frequently, so maybe
> > that's a bit harder to debug. 
> 
> Right, so I've got v2.6.36 exploding, current -git and -tip won't
> explode for me, tried both about 20 times. So I'll try and figure out
> wth makes .36 explode and then see if further kernel still suffer that
> problem.

Does it explode if you change some of the CONFIG_CC flags, such as 
CONFIG_CC_OPTIMIZE_FOR_SIZE? I.e. is the crash dependent on the precise kernel image 
layout perhaps? If it's sensitive to that then this might keep you from chasing 
shadows ...

Thanks,

	Ingo
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