From: Richard Zidlicky <Richard.Zidlicky@stud.informatik.uni-erlangen.de>
To: Anjali Kulkarni <anjali@indranetworks.com>
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org
Subject: Re: scheduler problems
Date: Wed, 12 Jun 2002 12:20:50 +0200 [thread overview]
Message-ID: <20020612122050.A1832@linux-m68k.org> (raw)
In-Reply-To: <200206120714.AAA07894@eagle.he.net>
On Wed, Jun 12, 2002 at 12:14:09AM -0700, Anjali Kulkarni wrote:
>
> > (given that the current 2.2 kernel is 2.2.21, the first thing would
> be to
> > test it there too.)
> >
>
> Thanks, I 'll do that.
>
> > > [...] It is due to the fact that the schedule() function does not
> find
> > > the 'current' process in the runqueue. [...]
> >
> > a crash in line 384 means that the runqueue got corrupted by
> something,
> > most likely caused by buggy kernel code outside of the scheduler.
>
> Right, I thought of that, but how is it that it gets corrupt at exactly
> the same offset in task_struct of that process and every time with
> different processes? (I have run it atleast 20-30 times). And it just
> doesnt come if I kill the process in question?
I've had similar problems when some code invalidated CPU cache
and an interrupt came in at the wrong time.
Richard
next prev parent reply other threads:[~2002-06-12 20:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-12 7:14 scheduler problems Anjali Kulkarni
2002-06-12 10:20 ` Richard Zidlicky [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-06-13 5:38 Anjali Kulkarni
2002-06-12 5:20 Anjali Kulkarni
2002-06-12 6:20 ` Ingo Molnar
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