On Sat, Feb 1, 2020 at 6:26 AM Georgi Nikolov [off-list ref] wrote:

The output of this command was empty:

cat /proc/$(pidof md2_raid6)/stack # md2_raid6 process was consuming
100% cpu

Hmm... This is weird. Could you try use perf or some other tools to get insights
on what the thread is doing?

Thanks,
Song