From: Arjan van de Ven <arjan@linux.intel.com>
To: Thomas Renninger <trenn@suse.de>
Cc: linux-acpi <linux-acpi@vger.kernel.org>,
"Moore, Robert" <robert.moore@intel.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andi Kleen <ak@linux.intel.com>, Len Brown <lenb@kernel.org>,
Christian Kornacker <ckornacker@suse.de>
Subject: Re: ACPI OSI disaster on latest HP laptops - critical temperature shutdowns
Date: Thu, 24 Jul 2008 08:42:56 -0700 [thread overview]
Message-ID: <4888A300.1080808@linux.intel.com> (raw)
In-Reply-To: <200807241727.41715.trenn@suse.de>
Thomas Renninger wrote:
> This is the fix for this from Arjan:
>
> ACPI: Reject below-freezing temperatures as invalid critical temperatures
>
> My laptop thinks that it's a good idea to give -73C as the critical
> CPU temperature.... which isn't the best thing since it causes a shutdown
> right at bootup.
>
> Temperatures below freezing are clearly invalid critical thresholds
> so just reject these as such.
>
btw on my laptop, it wasn't 0 that was returned, but 2007.
This is suspected to be related to how windows finds some random other ACPI state to return,
but it significantly was an AML issue on the bios side.
Just the effect was a trainwreck so I added a check to the kernel (in addition to getting
full info to Robert for the ACPICA side of the issue).
next prev parent reply other threads:[~2008-07-24 15:43 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-24 15:27 ACPI OSI disaster on latest HP laptops - critical temperature shutdowns Thomas Renninger
2008-07-24 15:42 ` Arjan van de Ven [this message]
2008-07-25 0:04 ` ACPI OSI disaster on latest HP laptops - critical temperature shutdown Len Brown
2008-07-25 10:44 ` Andi Kleen
2008-07-25 11:19 ` Thomas Renninger
2008-07-25 15:26 ` Rafael J. Wysocki
2008-07-26 12:42 ` Andi Kleen
[not found] ` <alpine.LFD.1.10.0807261406230.2958@localhost.localdomain>
2008-08-01 21:08 ` Len Brown
2008-08-03 17:23 ` Thomas Renninger
[not found] ` <alpine.LFD.1.10.0807250948320.3884@localhost.localdomain>
2008-08-01 21:07 ` Len Brown
2008-08-01 22:36 ` Henrique de Moraes Holschuh
2008-08-02 5:42 ` Matthew Garrett
2008-08-02 14:38 ` Henrique de Moraes Holschuh
2008-08-02 14:44 ` Norbert Preining
2008-08-02 14:51 ` Henrique de Moraes Holschuh
2008-08-04 21:33 ` Norbert Preining
2008-08-02 15:41 ` Matthew Garrett
2008-08-02 17:49 ` Henrique de Moraes Holschuh
2008-08-02 19:49 ` Matthew Garrett
[not found] ` <alpine.LFD.1.10.0807261409290.2958@localhost.localdomain>
2008-08-01 21:08 ` Len Brown
2008-07-25 22:10 ` Eric Piel
2008-07-25 22:19 ` Moore, Robert
[not found] ` <alpine.LFD.1.10.0807261311420.2958@localhost.localdomain>
2008-08-01 21:07 ` Len Brown
[not found] ` <alpine.LFD.1.10.0807261434380.2958@localhost.localdomain>
2008-08-01 21:02 ` ACPI OSI disaster on latest HP laptops - critical temperature shutdowns Len Brown
2008-08-13 19:22 ` Pavel Machek
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