linux-kernel - Re: [Bug #10616] Horrendous Audio Stutter

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Message-ID: <20080511214131.GM1645@cs181133002.pp.htv.fi>
Date:	Mon, 12 May 2008 00:41:31 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	Parag Warudkar <parag.warudkar@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Frans Pop <elendil@...net.nl>
Subject: Re: [Bug #10616] Horrendous Audio Stutter - current git

On Sun, May 11, 2008 at 05:28:47PM -0400, Parag Warudkar wrote:
> On Sun, May 11, 2008 at 4:04 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.25.  Please verify if it still should be listed.
> >
> >
> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=10616
> > Subject         : Horrendous Audio Stutter - current git
> 
> Still present both in Linus tree and sched-devel - root cause is not
> yet well understood per Ingo.
> 
> Worked around by disabling GROUP_SCHED stuff by default (commit
> aac6abca858386438d9a7233c3471d2ecfa2f704 ).

What causes this regression?

Is this commit 018d6db4cb5bbdcd65424a16f2dcca692ed32ae4
(sched: re-do "sched: fix fair sleepers") that had already been reverted 
in 2.6.25 for causing such regressions or is this caused by a different 
commit?

> Parag

cu
Adrian

-- 

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       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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