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lenovo 3000 n100 thermal+hibernate

DISCUSSION Vasily Khoruzhick 2 participants 3 messages Mar 9, 2008 – Mar 11, 2008 ACPI

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Hi, I have problems with thermal module on lenovo 3000 n100,

Sometimes after resuming from suspend,
cat /proc/acpi/thermal_zone/TZ00/temperature says that CPU temp is 70 C and fan blows cold air. But coretemp says that CPU temp is about 40 C.

Also I get following message on dmesg:
ACPI Exception (thermal-0471): AE_NOT_FOUND, Invalid active threshold [0] [20070126]

Reloading of module doesn't help, and I have no such bug in windows. I've tried kernels 2.6.20-2.6.24, and bug is present in all of them.

I can provide any additional info required ;)

Regards
Vasily

#1 lore raw
Quoted 6 lines · Vasily Khoruzhick

Hi, I have problems with thermal module on lenovo 3000 n100,

Sometimes after resuming from suspend,
cat /proc/acpi/thermal_zone/TZ00/temperature says that CPU temp is 70 C and fan blows cold air. But coretemp says that CPU temp is about 40 C.

Quoted 9 lines

Also I get following message on dmesg:
ACPI Exception (thermal-0471): AE_NOT_FOUND, Invalid active threshold [0] [20070126]

Reloading of module doesn't help, and I have no such bug in windows. I've tried kernels 2.6.20-2.6.24, and bug is present in all of them.

I can provide any additional info required ;)

Please file a bug report here:
http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI

and attach the info you sent, plus the output from acpidump.

The acpidump tool can be downloaded from:
http://www.kernel.org/pub/linux/kernel/people/lenb/acpi/utils/pmtools-20071116.tar.bz2

Thanks.

Quoted 6 lines

Regards
Vasily
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