http://bugzilla.kernel.org/show_bug.cgi?id=10952
------- Comment #12 from [EMAIL PROTECTED] 2008-07-03 02:42 -------
Hi, Viktor
Thanks for the info.
It seems that this issue is related with BIOS. When the system is running,
BIOS often sends the notification event(0x80) , which causes that OS will
evaluate the _PPC object and get the new performance limit. Then OS will use
the new limit to update the cpufreq policy. Of course the scaling_max_freq
will be changed as the change of performance limit. If the boot option of
"processor.ignore_ppc" is added, OS won't update the cpufreq policy according
to the change of _PPC object and the scaling_max_freq can be normal.
From the acpidump it seems that there is no cooling device when the
temperate reaches some conditions. There only exists the following objects
under the scope of thermalzone : _CRT, _TMP. If the temperature returned by
_TMP object is greater than the _CRT, the system will be shutdown.Maybe this
is related with that the system freezes.
Anyway, will you please attach the following output?
cat /proc/acpi/thermal_zone/THM/*
Thanks.
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