linux-kernel - RE: ACPI / powernow-k8 problems with M4A78T-E (AM3) and 2.6.30-rc3

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Date:	Fri, 24 Apr 2009 08:50:38 +0100
From:	Ross Alexander <Ross.Alexander@...NEC.COM>
To:	Len Brown <lenb@...nel.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: RE: ACPI / powernow-k8 problems with M4A78T-E (AM3) and 2.6.30-rc3

Hello Len,

I have updated the BIOS to 1001 on M4A78T-E but the ACPI quality is still poor.  Attached is the dump from acpidump and I'll add it to the bug report soon.

Cheers

Ross


-----Original Message-----
From: Len Brown [mailto:lenb@...nel.org] 
Sent: 24 April 2009 04:36
To: Ross Alexander
Cc: linux-kernel@...r.kernel.org; cpufreq@...r.kernel.org; linux-acpi@...r.kernel.org
Subject: Re: ACPI / powernow-k8 problems with M4A78T-E (AM3) and 2.6.30-rc3

> On Thu, 23 Apr 2009, Ross Alexander wrote:
> 
> > With BIOS version 0801 the powernow-k8 faulting.
> > 
> > ------------[ cut here ]------------
> > WARNING: at arch/x86/kernel/cpu/cpufreq/powernow-k8.c:1257 powernowk8_cpu_init+0
> > x4e0/0xd3f()
> > Hardware name: System Product Name
> > [Firmware Bug]: powernow-k8: Your BIOS does not provide ACPI _PSS objects in a w
> > ay that Linux understands. Please report this to the Linux ACPI maintainers and
> > complain to your BIOS vendor.
> 
> If you attach the output from acpidump to a new bugzilla entry,
> 
> http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI

Turns out that the report already exists.
Please attach the output from acpidump here:

http://bugzilla.kernel.org/show_bug.cgi?id=13146

thanks,
-Len Brown, Intel Open Source Technology Center



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View attachment "M4A68T-E.acpidump.txt" of type "text/plain" (262013 bytes)