Date: Wed, 20 Oct 2004 23:13:11 +0100 (BST) From: Gavin Atkinson <gavin.atkinson@ury.york.ac.uk> To: Nik Azim Azam <nskyline_r35@yahoo.com> Cc: freebsd-current@freebsd.org Subject: Re: number of CPUs and IPI panic Message-ID: <20041020231203.O79048@ury.york.ac.uk> In-Reply-To: <20041020220102.22207.qmail@web21127.mail.yahoo.com> References: <20041020220102.22207.qmail@web21127.mail.yahoo.com>
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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
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