linux-kernel - Re: [rc8] Regression: key repeats and skips in music during compilation

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Message-Id: <200804071205.13369.elendil@planet.nl>
Date:	Mon, 7 Apr 2008 12:05:12 +0200
From:	Frans Pop <elendil@...net.nl>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>
Subject: Re: [rc8] Regression: key repeats and skips in music during compilation

On Monday 07 April 2008, Rafael J. Wysocki wrote:
> On Sunday, 6 of April 2008, Rafael J. Wysocki wrote:
> > On Friday, 4 of April 2008, Frans Pop wrote:
> > > While compiling glibc I am getting frequent short skips in music play
> > > anddddddddddddddddd I have now three times seen key repeats (as in
> > > this sentence). When there is a skip in the music, there is also a
> > > delay in characters being typed appearing on the screen.
> >
> > Can you test with CONFIG_GROUP_SCHED unset, please?
>
> I was able to reproduce this issue with -rc8 on one of my test systems,

Thanks Rafael.

In the mean time I have verified that the issue also existed in rc6, so it's 
not a recent regression.

> but I'm not any more with the current Linus' tree and CONFIG_GROUP_SCHED
> unset, FWIW.

Hmm. Does that mean that you _can_ reproduce it with git HEAD and 
CONFIG_GROUP_SCHED set? That would mean it is still an issue in HEAD and 
group scheduling is the culprit.

I'll try to confirm that later today.

Cheers,
FJP
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