Re: SMP + Hyperthreading / Asus PCDL Deluxe / Kernel 2.4.x 2.6.x / Crash/Freeze

From: Richard Browning
Date: Thu Mar 11 2004 - 19:28:48 EST


On Thursday 11 March 2004 22:17, Zwane Mwaikambo wrote:
> On Thu, 11 Mar 2004, Richard Browning wrote:
> > I've now updated the BIOS to the latest version available on Asus' site.
> > The crash occurs even earlier - during bootup this time. Exactly:
> >
> > CPU2: Machine Check Exception: 000.0004
> > CPU3: Machine Check Exception: 000.0004
> > Bank 0: a20000008c010400Bank0: a20000008c010400
> > Kernel Panic: CPU context corrupt
> > In idle task - not syncing
> >
> > Again, disabling hyperthreading allows the system to operate normally.
>
> For my own curiosity, does switching the processors around do anything?
> Those MCEs look confined to the non bootstrap processor package.

Switched CPUs. This time I get the following:

CPU3: Machine Check Exception: 000.0004
CPU2: Machine Check Exception: 000.0004
Bank 0: a20000008c010400
Kernel Panic: CPU context corrupt
In idle task - not syncing

Note that the CPU# designations are swapped and that there's only one Bank 0:
message. Is this significant?

R
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