[Bug 248661] scrolling smears or distorts information (on only KDE apps)

[Thomas Lübking]

https://bugs.kde.org/show_bug.cgi?id=248661





--- Comment #3 from Thomas Lübking <thomas luebking web de>  2010-08-23 15:02:24 ---
(In reply to comment #2)
> And yes, you are right in saying that it is probably the DE causing the
> problem... the KDE desktop -- because other desktops seem to have no problem
> working with KDE apps when cairo-dock is running.

Yesno, sorry: that was "aside" the cairo dock issue.

You could only try to bisect the offending applications (eg. konsole and
plasma-dektop use ARGB windows just like the docker, this could cause it)

-> open an xterm, call
-  killall konsole (ensure there's no important CLI process running in some
konsole ;-), 
- kquitapp plasma-desktop
- launch cairo dock & konqueror (or whatever)
- see whether the issue remains
- run "plasma-desktop", see again.

to be on the safe side regarding the WM impact, you can eg. "usr/bin/compiz
--loose-binding --replace --keep-desktop-hints ccp &" to run the above w/ and
w/o kwin (it links plasma and i frankly don't knwo whether it uses ARGB windows
for eg. the tabbox or so as well)

The bug (if ARGB related) would however most likely be in Qt, Cairo, X11 or
your driver, ie. upstream :-(

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