Date: Wed, 20 Oct 2004 18:51:24 -0700 From: Julian Elischer <julian@elischer.org> To: Nik Azim Azam <nskyline_r35@yahoo.com> Cc: freebsd-current@freebsd.org Subject: Re: number of CPUs and IPI panic Message-ID: <4177161C.9040100@elischer.org> In-Reply-To: <20041020221659.33824.qmail@web21124.mail.yahoo.com> References: <20041020221659.33824.qmail@web21124.mail.yahoo.com>
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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" > >
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