linux-kernel - Re: Kaffeine problem with CFS

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Message-ID: <19a3b7a80704150955x4e1d809eh929b0f931f842a06@mail.gmail.com>
Date:	Sun, 15 Apr 2007 18:55:13 +0200
From:	"Christoph Pfister" <christophpfister@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"S.Çağlar Onur" <caglar@...dus.org.tr>,
	linux-kernel@...r.kernel.org,
	"Michael Lothian" <mike@...eburn.co.uk>,
	"Christophe Thommeret" <hftom@...e.fr>,
	"Jurgen Kofler" <kaffeine@....net>
Subject: Re: Kaffeine problem with CFS

Hi,

2007/4/15, Ingo Molnar <mingo@...e.hu>:
>
> * Ingo Molnar <mingo@...e.hu> wrote:
>
> > > [1] http://cekirdek.pardus.org.tr/~caglar/strace.kaffeine

Could you try xine-ui or gxine? Because I suspect rather xine-lib for
freezing issues. In any way I think a gdb backtrace would be much
nicer - but if you can't reproduce the freeze issue with other xine
based players and want to run kaffeine in gdb, you need to execute
"gdb --args kaffeine --nofork".

> > thanks. This does has the appearance of a userspace race condition of
> > some sorts. Can you trigger this hang with the patch below applied to
> > the vanilla tree as well? (with no CFS patch applied)
>
> oops, please use the patch below instead.
>
>         Ingo
<snip>

Christoph
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