Re: kernel BUG at drivers/md/raid5.c:693!

From: Peter Zijlstra
Date: Tue Nov 26 2013 - 04:43:11 EST


On Tue, Nov 26, 2013 at 03:31:06PM +1100, NeilBrown wrote:
> The stack trace in the previous email seemed to suggest that a process was
> blocking inside a wake_up call, but it wasn't at all conclusive. And I've
> seen a few wake_ups in other stack traces which seem to be connected with
> other deadlock. Probably some sort of co-incidence.

It appears stuck in some paravirt clock layer.. or just a lucky hit.

I never run on (para)virt if I can help it, so I'm not much help there.
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