Re: HP nx8220 psmouse vs ACPI at boot up

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On Thu, 2007-04-19 at 09:18 -0600, Bjorn Helgaas wrote:
> On Thursday 19 April 2007 06:44, Thomas Renninger wrote:
> > I first thought it's the "unload psmouse" or "cleanup psmouse ports"
> > at shutdown problem again.
> > 
> > I think this time EC gets confused at boot time.
> > Compiling psmouse as module helps again.
> > 
> > Symptom:
> > AC adapter status is wrong if booted with AC unplugged.
> > Replugging helps.
> > This sounds like a minor bug, but ACPI errors at other places
> > with AE_TIME errors also happen and theoretically all kind of
> > ACPI breakage could happen...
> 
> Is there a more complete bug report for this, with the whole dmesg
> log?  Is this related to suspend/resume, or does it happen on all
> shutdown and restart?  Any chance you could collect the DSDT?

This is the bug report:
https://bugzilla.novell.com/show_bug.cgi?id=260794

Klaus: Could you also attach acpidump output to the bug, pls.

This is not related to suspend/resume.

> Does it happen on all shutdown and restart
-> Good question, first I was sure to be able to always reproduce this
on 2.6.1[68] kernels with psmouse module compiled in. Latest .21-rc7 was
unaffected.
I then removed thermal, fan, processor module to not get loaded via
initrd (gets loaded later at init 3 or 2). Since then the symptom
vanished. (even after adding the modules again. Maybe I mixed something
up in the end, or the order of modules loaded in initrd changed, but I
doubt it was that...)

However, if someone should see any AE_TIME ACPI errors on an HP, I'd try
to compile psmouse as module or compile it out, chances are high that it
helps..., I wonder whether more people see this, would be nice to get
some more reports.

    Thomas

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