On Mon, 16 Nov 2015, Daniel J Blueman wrote:
> Tuning USB suspend [1] in 4.3 on a Dell XPS 15 9553 (Skylake), I see a
> kworker thread spinning in rpm_suspend [2].
>
> What is the most useful debug to get here beyond the immediate [3]?
You can try doing:
echo 'module usbcore =p' >/sys/kernel/debug/dynamic_debug/control
Alan Stern
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