Jan Kundrát <> changed:

           What    |Removed                     |Added
             Status|UNCONFIRMED                 |CONFIRMED
     Ever confirmed|0                           |1

--- Comment #2 from Jan Kundrát <> ---
(In reply to Jan Kundrát from comment #0)
> Initially everything works well. After I dock the machine and kscreen
> switches to an external screen (which happens to be bigger in resolution),
> both plasmashell and kwin_x11 put increased load on the CPUs.

I have one external screen at work (Dell U2711, 2560x1440) and another one
(Dell U3014, 2560x1600) at home. This only happens on the work one; I can
switch freely at home and there's no issue there. This is on the exact same
laptop with the same model of the dock.

An interesting point about my home screen is that kscreen is configured to
switch to it automatically, but it actually doesn't make that switch when I
dock. I have to either run `xrandr` with no options, or to power-cycle that
external screen. After doing any of these two options, kscreen switches the
output as expected. I'm not sure if it's related in any way. Either way,
plasmashell's and kwin_x11's CPU consumption is always fine with this
not-auto-switching screen.

Also confirming because there's more people hitting this than just me.

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