This may be the same issue as
https://bugs.launchpad.net/ubuntu/+source/upower/+bug/861642
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https://bugs.launchpad.net/bugs/966568
Title:
upowerd is consuming 100% of CPU
To manage
I would like to use my Linux system to charge up my iOS devices, but I
don't want to "Trust this Computer" so maybe we can drill down further
on this bug.
As soon as I connect a locked iDevice (tested iOS 9 and iOS 10):
$ top
top - 12:22:28 up 24 days, 21:05, 2 users, load average: 0.50,