ACPI: Unable to turn cooling device 'on' (Quadcore-AMD64, Ubuntu64)

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kern.log shows this sequence

...

Jan  2 09:09:45 schloegl-desktop kernel: [  136.114080] sd 7:0:0:0:
Attached scsi generic sg6 type 0
Jan  2 18:01:35 schloegl-desktop kernel: [32046.051225] usb 6-2: USB
disconnect, address 2
Jan  2 18:06:37 schloegl-desktop kernel: [32348.396058] ACPI Exception
(thermal-0469): AE_ERROR, ACPI thermal trip point state changed
Jan  2 18:06:37 schloegl-desktop kernel: [32348.396083] Please send
acpidump to [email protected]
Jan  2 18:06:37 schloegl-desktop kernel: [32348.396085]  [20080609]
Jan  2 18:06:37 schloegl-desktop kernel: [32348.396540] ACPI: Critical
trip point
Jan  2 18:06:37 schloegl-desktop kernel: [32348.396568] Critical
temperature reached (71 C), shutting down.
Jan  2 18:06:37 schloegl-desktop kernel: [32348.396598] ACPI: Unable to
turn cooling device [ffff88012fa34a60] 'on'
Jan  2 18:06:43 schloegl-desktop kernel: [32354.396226] Critical
temperature reached (58 C), shutting down.
Jan  2 18:06:47 schloegl-desktop kernel: [32358.303777] ip6_tables: (C)
2000-2006 Netfilter Core Team
Jan  5 09:01:55 schloegl-desktop kernel: Inspecting

/boot/System.map-2.6.27-9-generic
...

acpidump.bin is attached.

This happenend on my new quad-core amd64 with ubuntu 64, starting a heavy computing batch (using matlab, distributing the load on all 4 cpu's) before I left work on Jan 2nd. About 10 minutes later the machine shut down by itself.

The bug is also reported at
https://bugs.launchpad.net/ubuntu/+source/acpi/+bug/314001

Best regards,
Alois

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It seems that this is related with BIOS.
Will you please try the boot option of "acpi.power_nocheck=1" and see whether this issue still exists?

It will be great if you can attach the output of acpidump.

Please file a bug report at
http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI and attach the output of acpidump, dmesg, dmidecode.
Thanks.

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