Crashes on 5.4R

Kris Kennaway kris at
Mon Aug 1 13:33:05 GMT 2005

On Mon, Aug 01, 2005 at 01:41:43PM +0100, Freminlins wrote:
> Hello,
> I have a machine which I've installed afresh with 5.4R last week. It
> is a dual Xeon machine with hyperthreading. Since I've updated it, it
> has crashed regularly. So regularly that I have had to remove it from
> service.
> I built a debugging kernel and from my last crash dump I get the following:
> #0  doadump () at pcpu.h:159
> 159             __asm __volatile("movl %%fs:0,%0" : "=r" (td));
> Now, I'm in the fortunate position of not having FreeBSD crash
> usually, so I'm not sure what to do next.
> Can someone offer some help?

See the chapter on kernel debugging in the developers' handbook.

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