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SubjectRe: 2.6.21-rc5: Thinkpad X60 gets critical thermal shutdowns
Date
On Mar 31, 2007, at 02:36:08, Jeremy Fitzhardinge wrote:
> When I run 2.6.21-rc5 + Andi's x86 patches + paravirt_ops patches,
> I've been getting my machine shut down with critical thermal
> shutdown messages:
>
> Mar 30 23:19:03 localhost kernel: ACPI: Critical trip point
> Mar 30 23:19:03 localhost kernel: Critical temperature reached (128
> C), shutting down.
> Mar 30 23:19:03 localhost kernel: Critical temperature reached (128
> C), shutting down.
> Mar 30 23:19:03 localhost shutdown[19417]: shutting down for system
> halt
>
> and the machine does feel pretty hot. Interestingly, when the
> machine reboots, the fan spins up to a noticeably higher speed, so
> it seems that maybe something is getting fan speed control wrong.

Well, 128C is more than hot enough to boil water and well above the
thermal tolerances of most CPUs, so I would imagine that were your
CPU actually that hot it wouldn't be capable of printing the
"Critical temperature reached" messages, let alone properly rebooting.

Cheers,
Kyle Moffett

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