[Bug 278471] Re: Screen flickers or blanks every 10 s with KDE4

Tanubi taf.undying at gmx.de
Fri Mar 27 10:34:25 UTC 2009

I have the flickering with the radeon driver, a Mobility FireGL 5200 and dual monitor setup.
The flickering was on latest intrepid (with backports repository) and still is there on an up-to-date jaunty.

I could correlate the flickering of my external monitor to screen activity.
When I do nothing, the screen flickers almost not at all.
When I move a window, or switch between virtual desktops, the screen flickers more often.
When I run glxgears, the monitor stays blank until I quit glxgears.

Also, disabling desktop effects improved my situation.

With radeonhd, the screen does not flicker at all. So maybe this is
related to 3D acceleration?

Screen flickers or blanks every 10 s with KDE4
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