FreeBSD -STABLE servers repeatedly crashing.
matt at atopia.net
Wed Jun 29 23:12:32 GMT 2005
On Wed, 29 Jun 2005, Kris Kennaway wrote:
> On Tue, Jun 28, 2005 at 11:26:06AM -0400, Matt Juszczak wrote:
>>> OK, when it crashes next and is sat at the "db>" prompt, type "tr" and
>>> press enter to get a trace. Copy this down (or have a serial console to
>>> capture the output). Also, try typing "call doadump()" and see if that
>>> succeeds in generating a crash dump. How were you trying to generate
>>> one before?
>> I can't type anything. The machine locks up.
>> See: http://paste.atopia.net/126
>> After CPUID: 1, the machine locks cold and nothing else is printed to
>> the screen.
> Try two things:
> 1) adding 'options KDB_STOP_NMI' to your kernel config.
> 2) If you still can't get it to break to DDB, then compile up a
> debugging kernel, run kgdb on it (as described in the developers'
> handbook), and list *(0xblah) where that address is the value of the
> instruction pointer in the trap message (e.g. 0xc6644eff in your paste
> above). That might at least be a start.
OK :) I'll try this next time it crashes. I actually disabled ipf a few
nights ago and it hasn't crashed since... knock on wood.
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