Re: Endless ACPI errors on Linus tree (5b664cb235)

[Andi Kleen <andi@firstfloor.org>]

On Fri, Jul 18, 2008 at 05:48:39PM +0200, Takashi Iwai wrote:
> At Fri, 18 Jul 2008 15:34:13 +0200,
> I wrote:
> > 
> > At Fri, 18 Jul 2008 15:15:25 +0200,
> > I wrote:
> > > 
> > > At Fri, 18 Jul 2008 13:35:48 +0200,
> > > Andi Kleen wrote:
> > > > 
> > > > Takashi Iwai <tiwai@suse.de> writes:
> > > > 
> > > > > the boot with the latest Linus git tree fails on x86-64 due to the
> > > > > endless kernel messages like below:
> > > > >
> > > > >     ACPI Error (evpge-0710): No handler or method for GPE[10],
> > > > >     disabling event[20080609]
> > > > >
> > > > > It happens on today's tree and also on yesterday (33af79d12e).
> > > > > The config is below.
> > > > 
> > > > That was after the ACPI merge I assume?
> > > 
> > > Yes.
> > > 
> > > >  Do you have a full boot log?
> > > 
> > > Sorry, no.  The kernel shows the error message (the number after GPE
> > > constantly changing as 1x) endlessly, and couldn't boot up properly to
> > > get a log. 
> > > 
> > > > Revert candidates to test would be e38e8a0743b0e996a8a3fbea8908fe75a84f02c7
> > > > and c91d924e3af08d4f98eab6ebf81f2b8ce132448f (Bob, that were both
> > > > changes from you for evgpe.c). Can you see if reverting
> > > > those helps? If yes which?
> > > 
> > > Will give it a spin.
> > 
> > I reverting both, but it doesn't fix the problem.
> > 
> > Another finding is that the boot reaches to the exec of init, at
> > least.  So I could get a sane state with init=/bin/sh.  The message
> > appears after the init script running udevd.
> > 
> > Also, the machine could boot fine with the recent linux-next kernel,
> > at least, 20080711-0714.  (It failed for last couple of days, but it
> > can be irrelevant.)
> > 
> > I'll investigate a bit.  Any hints are appreciated.
> 
> OK, found out the bad commit via bisect.
> Reverting below fixes the boot problem.

Ah thanks. That one was on the revert list anyways becase
it caused some other problems.

-Andi