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SubjectRe: 2.5.74-mm1
Date
On Saturday 05 July 2003 21:14, Andrew Morton wrote:
> Daniel Phillips <phillips@arcor.de> wrote:
> > Kgdb is no help in
> > diagnosing, as the kgdb stub also goes comatose, or at least the serial
> > link does. No lockups have occurred so far when I was not interacting
> > with the system via the keyboard or mouse. Suggestions?
>
> Enable IO APIC, Local APIC, nmi watchdog. Use serial console, see if you
> can get a sysrq trace out of it. That's `^A F T' in minicom.

OK, tried that. Still very dead.

> I mean, it _has_ to be either stuck with interrupts on, or stuck with them
> off.

Interesting data: it always hangs on the 4th iteration of Ctrl-Alt-F7,
Ctrl-Alt-F2. This smells like a bios stack overflow. I think I'd better go
poke at the vendor at this point, no?

I do feel Linux is exonerated, but then this just shows why we need to keep on
moving, right on into the bios.

Regards,

Daniel



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