Re: ACPI Regression on Dell E1501

[Thomas Renninger]

On Fri, 2007-06-22 at 07:18 -0600, Tim Gardner wrote:
> Tim Gardner wrote:
> > Thomas Gleixner wrote:
> >> On Thu, 2007-06-21 at 17:47 -0400, Chuck Ebbert wrote:
> >>> On 06/21/2007 05:04 PM, Tim Gardner wrote:
> >>>> Hi,
> >>>>
> >>>> Commit e9e2cdb412412326c4827fc78ba27f410d837e6e breaks boot on a Dell
> >>>> E1501 unless 'acpi=off' is specified (also tried nolapic and nohpet but
> >>>> it made no substantive difference). This laptop is an 'AMD Turion(tm) 64
> >>>> X2 Mobile Technology TL-50' CPU, but its booting 32 bit SMP (make
> >>>> defconfig). No kernel built after this commit works for this platform.
> >>>>
> >>>> There is no crash output, it just wedges after 'NET: Registered protocol
> >>>> family 2'.
> >>>>
> >>>> How can I debug this problem?
> >>> That'll be fun.
> >>>
> >>> That's:
> >>>
> >>> 	[PATCH] clockevents: i386 drivers
> >>>
> >>> [Author cc: added]
> >> I'm going nuts on this. 
> >>
> >> Tim, 
> >>
> >> 1.) are you booting a 32bit or a 64 bit kernel ?
> >>
> >> 2.) Can you please try 2.6.22-rc5 + 
> >> http://www.tglx.de/projects/hrtimers/2.6.22-rc5/patch-2.6.22-rc5-hrt1.patch
> >> 	whether this makes any difference 
> >>
> >> Thanks,
> >>
> >> 	tglx
> >>
> > 
> > Thomas,
> > 
> > Your patch (large though it is) did not make any outward difference. As
> > usual, adding 'acpi=off' allows it to boot.
> > 
> > rtg
> 
> Perhaps I was too hasty. Adding 'acpi=off' did not allow it to boot. The
> IDE drive was detected, but I did not see any partitions detected.
> Eventually it dropped to the initrd shell when it could not find a root
> filesystem. Anyways, this is likely a side issue.

I am seeing the same with an ACER F5000.

pci=nomsi let the machine still boot.

I tried a bit and I think I got it, for me it's this one:

commit 78b7611c4a1e3ff008abc4751b566cb533d68f3d
Author: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Date:   Fri Jun 1 00:46:33 2007 -0700

My problem: The laptop does not have an serial output device, I try to
set up a fire wire console, but might have cable/HW problems.

What else can I do to help?
What do you need?

Thanks,

   Thomas

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