linux-kernel - Re: linux-next: Tree for June 13: IO APIC breakage on HP nx6325

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Message-ID: <Pine.LNX.4.55.0806270249490.31618@cliff.in.clinika.pl>
Date:	Fri, 27 Jun 2008 02:53:09 +0100 (BST)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Pavel Machek <pavel@...e.cz>
cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Ingo Molnar <mingo@...e.hu>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Len Brown <lenb@...nel.org>
Subject: Re: linux-next: Tree for June 13: IO APIC breakage on HP nx6325

On Tue, 24 Jun 2008, Pavel Machek wrote:

> > $ cat /proc/acpi/thermal_zone/TZ*/trip_points
> > 
> > in the failing case:
> > 
> > critical (S5):           105 C
> > passive:                 16 C: tc1=1 tc2=2 tsp=100 devices=C000 C001 
> > active[0]:               16 C: devices=C34F 
> > active[1]:               16 C: devices=C350 
> > active[2]:               16 C: devices=C351 
> > active[3]:               16 C: devices=C352 
> > critical (S5):           100 C
> > passive:                 16 C: tc1=1 tc2=2 tsp=300 devices=C000 C001 
> > critical (S5):           100 C
> > passive:                 16 C: tc1=1 tc2=2 tsp=300 devices=C000 C001 
> 
> Can we call the ACPI BIOS to be terminally broken at this point?

 Do we have any point of contact at HP and/or ATI/AMD?  I suppose getting 
hands on a SB400 datasheet could be tricky, but someone may be able to 
answer questions about the interrupt routing between the 8254, the 8259A 
and the I/O APIC for this chip and/or fix the DSDT.

  Maciej
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