thinkpad E555, fan module not loaded
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Hi,
I post here as a last ressort as advised at the end of this thread
https://www.spinics.net/lists/ibm-acpi-devel/msg04173.htmlI own a Thinkpad E555/Kaveri which is overheating.
I noticed fan stopped working soon after a 4.9 => 4.12 (Debian Jessie => Stretch) upgrade.
BIOS is up to date, kernel is 4.12.
fan runs during BIOS & GRUB stages (or if booting acpi=off) The main symptom seems to be that the "fan" module is not loaded. I already provided information and a couple of ACPI tables in the above thread.
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What more may I provide in order to efficiently help getting this spotted & solved?
Thanks for contacting us!
That could be caused by two modules, either thinkpad_acpi or fan.
First, build a kernel with both modules not built at all and install the kernel. The fan should work just fine as both fan and thinkpad_acpi are not loaded. Then, build the battery and thinkpad_acpi modules and load one by one, and see which one causes the issue and report back.
Thanks,
Ognjen