From: mru@users.sourceforge.net (Måns Rullgård)
To: linux-kernel@vger.kernel.org
Subject: Re: [BUG] Serious scheduler starvation
Date: Sun, 17 Aug 2003 15:17:17 +0200 [thread overview]
Message-ID: <yw1xada8v2xu.fsf@users.sourceforge.net> (raw)
In-Reply-To: 200308172252.52464.kernel@kolivas.org
Con Kolivas <kernel@kolivas.org> writes:
>> First the machine details. It's a Pentium4 running at 2 GHz. Linux
>> version 2.6.0-test3 + O16int + softrr.
>
> Softrr ? Which patch? Davide's? Noone has tried to make them compatible
> (yet?). Even so, this may be unrelated to softrr.
Are there more than one. I'm using something off xmailserver.org.
Anyhow, no softrr tasks were running at the time.
>> What can I do to collect more information about the problem?
>
> Run top in batch mode as root reniced to -11 so it doesn't get preempted and
> capture it happening before you kill XEmacs. Then try running XEmacs niced
> +10 and see if it doesn't happen there. Also if it was lucky enough that you
> booted with profiling enabled you could profile it, but top will
> tell if it's a simple scheduler starvation error.
I'll do that, it's easily reproducible, at least.
--
Måns Rullgård
mru@users.sf.net
next prev parent reply other threads:[~2003-08-17 13:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-17 12:11 [BUG] Serious scheduler starvation Måns Rullgård
2003-08-17 12:52 ` Con Kolivas
2003-08-17 13:17 ` Måns Rullgård [this message]
2003-08-17 13:43 ` Daniel Phillips
2003-08-17 13:49 ` Con Kolivas
2003-08-17 12:55 ` Daniel Phillips
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