Date: Sat, 28 Jun 2008 22:58:51 +0200 From: Kris Kennaway <kris@FreeBSD.org> To: Rudy <crapsh@monkeybrains.net> Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: Fatal trap 12 --- can lack of APIC on SMP cause crashes? Message-ID: <4866A60B.5070503@FreeBSD.org> In-Reply-To: <4866A086.2070408@monkeybrains.net> References: <4845D31B.6080302@monkeybrains.net> <4866A086.2070408@monkeybrains.net>
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Rudy wrote: > Rudy wrote: >> >> My kernel panics! > > Here are a two things I did which seem to stop the Fatal trap 12's with > FreeBSD-7.0-RELEASE (saw it on three different boxes): > > cvsup to FreeBSD-7.0-STABLE > (Don't forget to change SCHED_4BSD --> SCHED_ULE as that is now the > default on STABLE) > disabled CARP > > I don't know if it was the SCHED_4BSD, the CARP, or the combination, but > my boxes seem stable now. > > Just wanted to answer my own post in case anyone is searching for Fatal > trap 12 cures for FreeBSD-7.0-RELEASE. :) FYI, "Fatal trap 12" is a very generic type of error (it can mean "null pointer dereference, among other things) and it can have many causes (e.g. anywhere in the entire kernel where there is a pointer that can become NULL through a programming or other error). You need to compare the stack traces to work out what the cause was. Kris
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