Re: number of CPUs and IPI panic

From: Gavin Atkinson (gavin.atkinson_at_ury.york.ac.uk)
Date: 10/21/04

  • Next message: Maxim Sobolev: "Re: [Fwd: What do people think about not installing a stripped /kernel ?]" 
    Date: Wed, 20 Oct 2004 23:13:11 +0100 (BST)
To: Nik Azim Azam <nskyline_r35@yahoo.com>

    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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  • Next message: Maxim Sobolev: "Re: [Fwd: What do people think about not installing a stripped /kernel ?]"