On Jul 28, 2009, at 3:35 AM, Anton Shterenlikht wrote: > On Mon, Jul 27, 2009 at 10:04:28PM +0100, Anton Shterenlikht wrote: >> On Mon, Jul 27, 2009 at 09:55:12PM +0200, O. Hartmann wrote: >>> Kamigishi Rei wrote: >>>> O. Hartmann wrote: >>>>> I have the problem of crashing FreeBSD 8.0-BETA2/amd64 under >>>>> load on >>>>> all of our SMP boxes. Is there an issue known at the moment? If >>>>> not, I >>>>> will prepare the kernel for whitnessing and provide more >>>>> informations, >>>>> if you wish. >>>> A quick question: what is in the crash message, i.e. the backtrace? >>>> And what kind of crash is it - a panic() or a fatal trap? >>> >>> On the 8-core server box, I sometimes see : >>> >>> Fatal trap 12: page fault while in kernel mode >>> fault code = supervisor read, page not present >> >> Not sure if it's related, but on ia64 SMP (2 cpus) with 8.0-current >> and >> later with 8.0-beta1 (I havent' built beta2 yet) I'm getting crashes >> under load every so often. E.g buildworld -j8 is likely to crash the >> box. No messages, just a sudden freeze, no backtrace or panic, and >> then reboot. >> >> If load is less heavy, e.g. fewer processes and some idle time, the >> problem doesn't seem to appear. >> >> I'm happy to do any further testing, if suggested. > > my ia64 8.0-beta1 SMP box died again on > make -j8 buildworld > with no panic or log entries. Do you have MCA records? > > Is it possible that some kernel variable needs to > be increased? E.g. kern.maxproc, kern.maxfiles, etc. No need. -- Marcel Moolenaar xcllnt_at_mac.comReceived on Tue Jul 28 2009 - 13:33:13 UTC
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