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

[Tanubi]

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?

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Screen flickers or blanks every 10 s with KDE4
https://bugs.launchpad.net/bugs/278471
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