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

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Message-Id: <200804071121.03888.rjw@sisk.pl>
Date:	Mon, 7 Apr 2008 11:21:03 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Frans Pop <elendil@...net.nl>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>
Subject: Re: [rc8] Regression: key repeats and skips in music during compilation

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.
> > 
> > I have not seen these symptoms with earlier rc releases (at least, not since 
> > rc1), but I have not really done many heavy compilations recently, so I'd 
> > have to spend some time to verify where this started.
> > 
> > The problem seems somewhat different from what we had with rc1 as the mouse 
> > is smooth.
> > 
> > System is dual core Pentium D (x86_64). During the compilation one processor 
> > core is basically idle. The music files are being read from an NFS share.
> 
> Can you test with CONFIG_GROUP_SCHED unset, please?

I was able to reproduce this issue with -rc8 on one of my test systems, but I'm
not any more with the current Linus' tree and CONFIG_GROUP_SCHED unset, FWIW.

Thanks,
Rafael
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