Re: Oops on poweroff (2.2.0-pre4)

Stephen Rothwell (Stephen.Rothwell@canb.auug.org.au)
Thu, 7 Jan 1999 13:25:59 +1100 (EST)

> Date: Wed, 06 Jan 1999 14:37:47 -0500
> From: Kris Karas <ktk@ktk.bidmc.harvard.edu>
>
> Stephen.Rothwell writes:
>
> > > Linux 2.2.0-pre4 crashes on poweroff. The oops message is many pages long
> > You are the second person with a Gigabyte motherboard to report this.
> > We suspect a bad BIOS as the line EIP: 0050:[<00008896>]
> > indicates that the code is being executed out of the BIOS
>
> I've noticed the same behavior, on a HP vectra (using HP's BIOS), on a
> SuperMicro P6-DS (Modern AMI BIOS) and on an ASUS P2B-DS (Award BIOS). It's
> also interesting to note that if the LK is compiled UP, APM is enabled, and
> the config ooption for "poweroff on shutdown" enabled, the machine/BIOS powers
> off just fine. So perhaps what's happening is that the kernel's SysRq
> poweroff feature isn't initializing the APM the way it would otherwise have
> been initialized, and this is causing the BIOS to become confused.

So are you implying that all the faulting machines are SMP?

Cheers,
Stephen Rothwell Stephen.Rothwell@canb.auug.org.au

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