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Date: Fri, 23 May 2008 16:40:12 +0100
From: Jeremy Fitzhardinge <jeremy@goop.org>
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To: Vegard Nossum <vegard.nossum@gmail.com>
CC: Ingo Molnar <mingo@elte.hu>, Pekka Enberg <penberg@cs.helsinki.fi>,
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Subject: Re: [PATCH] kmemcheck: SMP support
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Vegard Nossum wrote:
> This works on real hw, but not on qemu. It seems to get stuck waiting for one
> of the atomic values to change. Don't know why yet, it might just be yet
> another bug in qemu... (we've hit at least two of them so far. And they were
> real bugs too.)
>   

I've noticed that qemu mis-reports the eip of cmpxchg if it faults (it 
reports the eip of the start of the basic block, I think).  Does that 
match what you're seeing?

    J