Subject: Re: 2.6.24-rc7 to 2.6.24-rc8 possible regression
From: Peter Zijlstra <peterz@infradead.org>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Denys Fedoryshchenko <denys@visp.net.lb>, linux-kernel@vger.kernel.org
In-Reply-To: <4796189F.8070506@s5r6.in-berlin.de>
References: <20080121160255.M12670@visp.net.lb>
	 <47952094.9050102@s5r6.in-berlin.de> <20080122110448.M46928@visp.net.lb>
	 <4796189F.8070506@s5r6.in-berlin.de>
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Date: Tue, 22 Jan 2008 17:28:03 +0100
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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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