Re: Linux 3.1-rc9

From: Thomas Gleixner
Date: Wed Nov 02 2011 - 14:30:56 EST


On Wed, 2 Nov 2011, Simon Kirby wrote:
> On Wed, Nov 02, 2011 at 05:40:53PM +0100, Thomas Gleixner wrote:
> Ok, I'll try this. Hmm, all CPUs typically try to grab the lock fairly
> quickly after it happens, which could make it difficult to cat the file.
> I'll try ftrace_dump(DUMP_ALL); in there instead.

Eric has spotted the source of trouble already. Can you try his patch
first? If it still persists, we still can resort to hardcore tracing :)

Thanks,

tglx
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