Re: thinkpad_acpi fan stop working problem (was after resume) (speed becomes 65535)

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I have `dstat --cpufreq --fan --thermal` keep running for long time,
this time before suspend and after resume, I got a reproduce again,
you can see before suspend the fan speed colume is 3831, after
suspended some time and resume, the dstat report missed 18564 (secs,
or 5 hours), then fan speed is 65, that's actually 65535; till half an
hour later I realized the laptop is hot, check and found fan becomes
65535

$ cat /proc/acpi/ibm/fan
status:		enabled
speed:		65535
level:		auto

now I have no way to recover except reboot

Attachment: dstat-cpufreq-fanspeed.png
Description: PNG image

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