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

[Nick Piggin]

On Friday 01 February 2008 09:45, Frederik Himpe wrote:
> 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. ïps
> > > > > > > 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 very much for reporting and testing. This patch needs to go
into 2.6.24.stable and upstream.
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