User switching broken

[Daniel Vrátil]

On Friday, February 20, 2015 12:29:55 PM Patrick O'Callaghan wrote:
> I have Plasma-5 and SDDM under F21. Switching sessions to another (test)
> user, also with Plasma, works. Switching back again gives flashing
> display garbage and the session is unusable. The problem appears to be
> with switching to VT1, not to the content of the sessions as such (i.e.
> if I start the sessions in the reverse order the same problem happens).
> 
> I have an Nvidia card with the proprietary driver.
> 
> I tried reporting this to bugs.kde.org but there doesn't seem to be a
> category for SDDM, which I would think is the culprit.

Could you try restarting KWin after the switch? (switch to a new VT, run 
DISPLAY=":0" kwin_x11 --replace &)

Such graphical glitches are usually caused by KWin not dealing with changes 
properly.

Dan

> 
> poc
> 
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-- 
Daniel Vrátil | dvratil at redhat.com | dvratil on #kde-devel, #kontact, #akonadi
Software Engineer - KDE Desktop Team, Red Hat Inc.

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