linux-kernel - Re: x60 - spontaneous thermal shutdown

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Date:	Mon, 11 Sep 2006 17:13:03 +0200
From:	Stefan Seyfried <seife@...e.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Pavel Machek <pavel@....cz>,
	ACPI mailing list <linux-acpi@...r.kernel.org>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: x60 - spontaneous thermal shutdown

On Mon, Sep 11, 2006 at 04:10:36PM +0200, Rafael J. Wysocki wrote:
> On Monday, 11 September 2006 11:46, Stefan Seyfried wrote:
> > On Mon, Sep 04, 2006 at 11:40:59PM +0200, Pavel Machek wrote:
> > > Hi!
> > > 
> > > x60 shut down after quite a while of uptime, in period of quite heavy
> > > load:
> > > 
> > > Sep  4 23:33:01 amd kernel: ACPI: Critical trip point
> > > Sep  4 23:33:01 amd kernel: Critical temperature reached (128 C), shutting down.
> > > Sep  4 23:33:01 amd shutdown[32585]: shutting down for system halt
> > > Sep  4 23:34:42 amd init: Switching to runlevel: 0
> > > 
> > > I do not think cpu reached 128C, as I still have my machine... Did
> > > anyone else see that?
> > 
> > my usual suspect: use ec_intr=0.
> 
> Is this a kernel command line parameter?

yes.

seife@...i:~> dmesg | grep "^ACPI: EC"
ACPI: EC polling mode.
seife@...i:~> cat /proc/cmdline
root=/dev/hda5 vga=0x317 sysrq=yes resume=/dev/hda1  splash=silent showopts ec_intr=0

with ec_intr=1 (default), you'll get "ACPI: EC interrupt mode."

> I'm having some suspend/resume related problems on HPC 6325 now, and they
> seem to be related to the embedded controller.

Well, polling mode is always on my "things to try"-list for those unspecified
ACPI failures :-)
-- 
Stefan Seyfried
QA / R&D Team Mobile Devices        |              "Any ideas, John?"
SUSE LINUX Products GmbH, Nürnberg  | "Well, surrounding them's out." 
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