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I just installed Red Hat Linux 7.1. Everything works fine except a problem with KDE background.
When I dragged the mouse, many fine black stripes appeared on background over the path of the mouse. These black stripes can be erased by an application window.
Is this problem caused by KDE bug or configuration of xserver? How can I fix it?
Me thinks it is a problem with the X config. I don't know of any bug in KDE in which this happens, and it sounds like that it is a refresh problem. Have you configured your monitor properly? Have you also configured you graphics? I would use xconfigurator in RedHat to make sure.
I can't think of what the problem would stem from in KDE - especially the latest version. It has worked well enough for me, but I suppose you could log the issue with the kde team, and they may be able to help you.
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