Re: 2.6.24-rc7 to 2.6.24-rc8 possible regression

From: Peter Zijlstra
Date: Tue Jan 22 2008 - 11:28:33 EST



On Tue, 2008-01-22 at 17:23 +0100, Stefan Richter wrote:
> Denys Fedoryshchenko wrote:
> > No, i am using vanilla kernel. It is one of production machines, and as i
> > know screen is not using epoll.
>
> OK, but the trace shows that it is the epoll recursion again.
>
> > I will try to apply on all my production machines this patch. Sorry if it is
> > related.
>
> Well, let's hope that the lockdep annotation or whatever other fix gets
> into mainline sooner than later. Which reminds me to test my setup
> again which appeared to be able to reproduce the __wake_up recursion on
> my command...

Would be appreciated, I have been waiting on testing feedback because
I'm not fully certain here.

Curious though that this gets reported frequently the last few weeks,
afaics this problem is way old.

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