PowerTOP reports that one of the top wakeup causes on my desktop machine is:
27.0% ( 59.8) sh : queue_delayed_work_on (delayed_work_timer_fn)
I can use "lsof /bin/sh" to figure out what the live sh processes are.
During a typical desktop login session I see just two: one for the
firefox wrapper script and one for the thunderbird wrapper script. If I
exit both of those applications, "lsof /bin/sh" lists *zero* processes
running sh.
And yet ... "sh : queue_delayed_work_on (delayed_work_timer_fn)" still
appears at the top of PowerTOP's wakeup causes list!
Any ideas what's going on here? Where are these phantom sh processes
coming from that disturb my CPU's slumber?
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