Hi,
I've recently noticed that if I suspend and resume my laptop, I can no
longer execute turbostat. This is what I get when I try to start it:
# turbostat
Could not migrate to CPU 1
turbostat: re-initialized with num_cpus 4
Could not migrate to CPU 1
Since everything works as expected with v4.0, I ran a bisection and
found that commit 3c18d447b3b36a8d ("sched/core: Check for available
DL bandwidth in cpuset_cpu_inactive()") is the cause of the regression.
I don't know if there's something else affected by that change, but
I can consistently reproduce the bug with turbostat.
I can provide more info if needed.
Regards,
Gabriele
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