Re: Crash Tracing

linux kernel account (linker@nightshade.z.ml.org)
Tue, 25 Nov 1997 08:26:49 -0500 (EST)


On Tue, 25 Nov 1997, Graffiti wrote:

> > Do you have APM (automatic power management) enabled? I saw very similar
> > behavior when I had it enabled. After disabling it, I haven't had any
> > of these lockups.
> >
> > - Gordon
>
> Nope!
> I have it disabled in the BIOS. The only other kernel that I've been running
> lately is 2.0.29. I'm not quite sure how to chase down something that usually
> happens while I'm not there.
> Anyone know of a way that I can "dump" the memory to a file or serial port
> even after an OS dies? I seem to recall (vaguely) Linus saying something about
> a card he made that he used to grab the contents of the memory even after the
> kernel died. Any save that mail/article?

It was Alan Cox I believe.... I think it was just a switch that conncted
power to a certian interupt (NMI?) and the kernel had code to dump opon
recieveing it..... I think, perhaps I done remember any better then you..