Date: Mon, 23 Aug 2004 14:41:00 -0700 From: Peter Wemm <peter@wemm.org> To: freebsd-current@freebsd.org Subject: Re: PLEASE TEST: IPI deadlock avoidance patch Message-ID: <200408231441.00692.peter@wemm.org> In-Reply-To: <412A5B02.9010705@telia.com> References: <20040822115345.Y94593@carver.gumbysoft.com> <412A5B02.9010705@telia.com>
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On Monday 23 August 2004 02:00 pm, Pawel Worach wrote: > Doug White wrote: > > Hey folks, > > > > If you have a reasonably fast i386 or amd64 multiprocessor and/or > > hyperthreading machine and are experiencing reproducible hangs > > during -j buildwords and other highly parallel operations, please > > try this patch: > > > > http://people.freebsd.org/~dwhite/smp_rv_mtx.patch > > Worked like a charm, Four way Xeon box with a -j256 buildstone using > SCHED_ULE. Thanks for tracking this down! Doug has been busy, so I committed it for him. Its in -current as of a few seconds ago, and presumably will make its way to RELENG_5 soon. Thanks to everybody for confirming the fix :-) -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com "All of this is for nothing if we don't go to the stars" - JMS/B5
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