Re: poweroff problem

From: Udo A. Steinberg (us15@os.inf.tu-dresden.de)
Date: Sun Apr 06 2003 - 08:58:14 EST

On Sun, 6 Apr 2003 23:33:19 +1000 Stephen Rothwell (SR) wrote:

Hello,

SR> On 5 Apr 2003 06:08:04 -0000 "Anant Aneja" <anantaneja@rediffmail.com> wrote:
SR> >
SR> > I've got a problem with my 2.4.2-2 kernel.
SR> > after reaching the power down stage i get a :
SR> > 1. complete listing of the cpu registers
SR> > 2. a message saying sementaion fault with halt -i -p -d
SR>
SR> Has it always done this?

I have the same problem with Linux-2.4.21-pre6. I don't know when this started
to happen because I pretty much never halt my machine.

SR> More likely a BIOS problem that is weel known.

It's not a BIOS problem here. halt works pretty well with Linux-2.5.66 here.
It's most likely an ACPI problem. What happens here is that the code to power
down actually does not manage to turn the machine off, instead after a while
the NMI watchdog kicks in and the kernel oopses.

-Udo.


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