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
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