http://bugzilla.kernel.org/show_bug.cgi?id=13573
Summary: ACPI: Unable to turn cooling device 'on'
(Quadcore-AMD64, Ubuntu64)
Product: ACPI
Version: 2.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: BIOS
AssignedTo: acpi_b...@kernel-bugs.osdl.org
ReportedBy: alois.schlo...@tugraz.at
CC: tr...@suse.de, yakui.z...@intel.com
Regression: No
About 1 hour after I started a heavy computing batch (using matlab 7.6,
distributing the load on all 4 core), the machine suddenly shutdown. kern.log
shows this message:
Jun 18 14:32:48 bcipc038 kernel: [1117042.573713] ACPI Exception
(thermal-0479): AE_ERROR, ACPI thermal trip point state changed
Jun 18 14:32:50 bcipc038 kernel: [1117042.573717] Please send acpidump to
linux-a...@vger.kernel.org
Jun 18 14:32:50 bcipc038 kernel: [1117042.573719] [20080926]
Jun 18 14:32:50 bcipc038 kernel: [1117042.574046] ACPI: Critical trip point
Jun 18 14:32:50 bcipc038 kernel: [1117042.574072] Critical temperature reached
(72 C), shutting down.
Jun 18 14:32:50 bcipc038 kernel: [1117042.574098] ACPI: Unable to turn cooling
device [ffff88012f815a60] 'on'
Jun 18 14:32:58 bcipc038 kernel: [1117048.576698] Critical temperature reached
(58 C), shutting down.
Jun 18 14:32:58 bcipc038 kernel: [1117049.920186] [drm] Resetting GPU
Jun 18 14:32:58 bcipc038 kernel: [1117050.517645] mtrr: MTRR 5 not used
Jun 18 14:57:23 bcipc038 kernel: Inspecting /boot/System.map-2.6.28-11-generic
The same behavior was observed on the same machine a few month ago and was
reported here
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/314001
and here
http://marc.info/?l=linux-acpi&m=123120299000668&w=1
The problem went away, or I did not have time trying to reproduce the problem.
Based on the previous feedback in
http://marc.info/?l=linux-acpi&m=123120299000668&w=2 , I attach
acpidump.dump
dmesg.dump
dmidecode.dump
kern.log.20090619181656
However, I've no idea how to try the boot option of "acpi.power_nocheck=1".
The problem happened actually two times (see kern.log):
Jun 18 14:32:48 bcipc038 kernel: [1117042.573713] ACPI Exception
(thermal-0479): AE_ERROR, ACPI thermal trip point state changed
Jun 18 16:22:19 bcipc038 kernel: [ 5402.772605] ACPI Exception (thermal-0479):
AE_ERROR, ACPI thermal trip point state changed
Therefore, it seems to be reproducable again. I noticed also this message (4
times) in (kern.log):
Jun 18 16:32:46 bcipc038 kernel: [ 4.263055] [Firmware Bug]: powernow-k8:
Your BIOS does not provide ACPI _PSS objects in a way that Linux understands.
Please report this to the Linux ACPI maintainers and complain to your BIOS
vendor.
Is this important? What can I do about this ? I've no experience with the
kernel/acpi internal issues. Let me know if I can do anything to track down
this issue.
Alois
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