On Sat, 2020-12-05 at 18:37 +0000, Valentin Schneider wrote:
> From there I see:
>
> [20798.166987][ T650] CPU127 nr_running=2
> [20798.171185][ T650] p=migration/127
> [20798.175161][ T650] p=kworker/127:1
>
> so this might be another workqueue hurdle. This should be prevented by:
>
> 06249738a41a ("workqueue: Manually break affinity on hotplug")
Well, since it was reproduced on the latest linux-next which has already
included the commit.
> Note that much earlier in your log, you have a softlockup on CPU127:
>
> [ 74.278367][ C127] watchdog: BUG: soft lockup - CPU#127 stuck for 23s!
> [swapper/0:1]
That's something separate. It was there all the time.
https://lore.kernel.org/linux-acpi/20200929183444.25079-1-...@redhat.com/
