Date: Thu, 21 Oct 2004 17:04:22 -0400 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-current@FreeBSD.org Cc: Nik Azim Azam <nskyline_r35@yahoo.com> Subject: Re: number of CPUs and IPI panic Message-ID: <200410211704.22967.jhb@FreeBSD.org> In-Reply-To: <20041020220102.22207.qmail@web21127.mail.yahoo.com> References: <20041020220102.22207.qmail@web21127.mail.yahoo.com>
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On Wednesday 20 October 2004 06:01 pm, 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. My quad PII-Xeon is also very unstable. You can try setting the kern.sched.ipiwakeups.enabled sysctl to 0 to help improve the stability. It may not completely fix the problem, however. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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