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Re: panic in ioapic
On Wed, Apr 09, 2008 at 08:10:17AM -0400, Stephen Degler wrote:
> 6bone%6bone.informatik.uni-leipzig.de@localhost wrote:
> >I am using NetBSD 4.0_STABLE at a dell 1950 with two dual core CPUs
> >and 12GB ram. If I use a kernel without any apic everything works
> >fine. If I use a kernel with enabled apic (one cpu or four cpus)
> >after some time the kernel gets a panic in Xintr_ioapic_level5
> >you can find the screenshot at http://suse.uni-leipzig.de/dump.bmp
> >the error occurs in different processes like ftp, httpd or rsync. but
> >always the apic funktion is affected.
> >unfortunaly the debugger does not respond to any input and so I can't
> >report a full trace.
> >any idea what the problem can be?
> I see the exact same problem with dual opteron 8G platform. Try
> increasing the kernel stack
> I've set UPAGES to 5 in /usr/src/sys/arch/amd64/include/param.h.
> You can also set INTRSTACKSIZE to 8k there as well, but this doesn't
> seem to have much effect for me. I mention this because the i386 port
> is already set to that value.
Please compare with this bug,
David Young OJC Technologies
dyoung%ojctech.com@localhost Urbana, IL * (217) 278-3933 ext 24
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