Re: pcibios_scanned needs to be set in ACPI? (was Re: 2.6.25-rc5:Reported regressions from 2.6.24)

From: Guennadi Liakhovetski
Date: Wed Mar 12 2008 - 19:17:48 EST


On Wed, 12 Mar 2008, Linus Torvalds wrote:

> On Wed, 12 Mar 2008, Greg KH wrote:
> >
> > What happend in .25-rc was that we now catch these kinds of problems
> > (watching for duplicate kobjects to be registered and such.) So this
> > might have always been happening, but no warning was ever produced.
>
> It's not the warning that worries me. It's the apparent oops (keyboard
> leds blinking?) at shutdown/poweroff!

No, no oops, no blinking LEDs. The machine just stays there after syncing
SCSI disks. I can still call sysrqs, and I've captured them with the
serial console - see complete dumps here:
http://bugzilla.kernel.org/attachment.cgi?id=15057

> Since there is at least a patch worth trying now, I'll hold off reverting
> it and wait for Guennardi to test the patch, but the fact is, we shouldn't
> have a known-broken kernel for several weeks, when there is a known fix
> for it in reverting a single commit!

I'll test it in about 12 hours.

Thanks
Guennadi
---
Guennadi Liakhovetski
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