Am 13.06.2015 um 18:39 schrieb Martin-Éric Racine:
> 2015-06-13 18:42 GMT+03:00 Michael Biebl <[email protected]>:

>> Can you run "udevadm monitor"
> 
> Endless series of these:
> 
> KERNEL[4312.794011] change
> /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0
> (power_supply)
> UDEV  [4312.799277] change
> /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0
> (power_supply)

No other events related to the drm subsystem?

logind subscribes to various udev events [1], and if your system
produces a huge amount of them, it's quite possible that this takes some
amount of CPU time.

Can you also boot with systemd.log_level=debug on the kernel command
line and attach the log from
journalctl -u systemd-logind



[1] https://github.com/systemd/systemd/blob/master/src/login/logind.c#L834
-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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