Date: Wed, 20 Oct 2004 21:43:50 -0700 (PDT) From: Nik Azim Azam <nskyline_r35@yahoo.com> To: Julian Elischer <julian@elischer.org> Cc: freebsd-current@freebsd.org Subject: Re: number of CPUs and IPI panic Message-ID: <20041021044350.12754.qmail@web21121.mail.yahoo.com> In-Reply-To: <4177161C.9040100@elischer.org>
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i've set the kern.sched.ipiwakeup.enabled=0, it didn't help to fix the problem. i'm going to try the patch Stephan posted later today. thanks, nik. --- Julian Elischer <julian@elischer.org> wrote: > you can remove a lot of the IPIs by turning off > sysctl kern.sched.ipiwakeup.enabled (if it's > turned on) > > > Nik Azim Azam wrote: > > >sorry for not posting this information earlier. > > > >i'm running on SCHED_4BSD, with PREEMPTION. the > same > >panic occours without PREEMPTION. the kernel is > >generic except that i've removed some devices that > i > >dont need. > > > >--- Gavin Atkinson <gavin.atkinson@ury.york.ac.uk> > >wrote: > > > > > > > >>On Wed, 20 Oct 2004, Nik Azim Azam wrote: > >> > >> > >> > >>>hello list, > >>> > >>>i'm doing some testing on a 6 cpu pentium II > >>> > >>> > >>overdrive > >> > >> > >>>computer with 6-CURRENT. with 6 cpus, the system > >>> > >>> > >>will > >> > >> > >>>panic easily with moderate load (previous IPI is > >>>stuck). i edited sys/i386/sys/param.h file and > >>> > >>> > >>lowered > >> > >> > >>>the MAXCPU to 4. now the system is running with 4 > >>> > >>> > >>cpus > >> > >> > >>>and it survived a make buildworld + portupgrade > at > >>> > >>> > >>the > >> > >> > >>>same time. > >>> > >>>is this a known problem? i can give more > >>> > >>> > >>information > >> > >> > >>>if anyone interested. > >>> > >>> > >>Are you using SCHED_ULE? (I believe it's the > default > >>in 6-CURRENT...) > >> > >>If so, try with SCHED_4BSD. ULE has known problems > >>at the moment. > >> > >>Gavin > >> > >> > >> > > > > > > > > > >_______________________________ > >Do you Yahoo!? > >Declare Yourself - Register online to vote today! > >http://vote.yahoo.com > >_______________________________________________ > >freebsd-current@freebsd.org mailing list > >http://lists.freebsd.org/mailman/listinfo/freebsd-current > >To unsubscribe, send any mail to > "freebsd-current-unsubscribe@freebsd.org" > > > > > > _______________________________ Do you Yahoo!? Declare Yourself - Register online to vote today! http://vote.yahoo.com
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