Re: Native preemption is the culprit [was Re: today's CURRENT lockups]

From: Michael L. Hostbaek <mich_at_FreeBSD.org>
Date: Tue, 6 Jul 2004 14:12:47 +0200
Robert Watson (rwatson) writes:
> 
> (This time to more people)
> 
> The patch below appears to (brute force) eliminate the crash/hang I'm
> experiencing with SCHED_ULE in the post-preemption universe.  However, I
> was experiencing it only in the SMP case, not UP, so it could be I'm just
> not triggering it timing-wise.  This would be a temporary fix until jhb is
> online again post-USENIX to take a look, assuming this works around the
> problem for people other than me.

I've been using this patch on my UP machine for 5-6 hours now, without
any hangs/crashes.

Thanks, 

-- 
Best Regards,
	Michael L. Hostbaek 
	mich_at_FreeBSD.org - http://www.FreeBSD.org

	*/ PGP-key available upon request /*
Received on Tue Jul 06 2004 - 10:12:49 UTC

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