linux-kernel - Re: 2.6.24 regression: pan hanging unkilleable and un-straceable

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Date:	Thu, 31 Jan 2008 23:45:59 +0100
From:	Frederik Himpe <fhimpe@...enet.be>
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, stable@...nel.org,
	Mike Galbraith <efault@....de>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.24 regression: pan hanging unkilleable and un-straceable


On ma, 2008-01-28 at 12:46 +1100, Nick Piggin wrote:
> On Sunday 27 January 2008 00:29, Frederik Himpe wrote:
> > On di, 2008-01-22 at 16:25 +1100, Nick Piggin wrote:
> > > > > On Tuesday 22 January 2008 07:58, Frederik Himpe wrote:
> > > > > > With Linux 2.6.24-rc8 I often have the problem that the pan usenet
> > > > > > reader starts using 100% of CPU time after some time. When this
> > > > > > happens, kill -9 does not work, and strace just hangs when trying
> > > > > > to attach to the process. The same with gdb. ps shows the process
> > > > > > as being in the R state.

> Well after trying a lot of writev combinations, I've reproduced a hang
> *hangs head*.
> 
> Does this help?

Just to confirm: in four days of testing, I haven't seen the problem
anymore, so it looks like this was indeed the right fix.

Thanks!

-- 
Frederik Himpe <fhimpe@...enet.be>


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