Messages in this thread | | | Date | Thu, 22 Apr 2004 10:43:41 -0400 | From | Timothy Miller <> | Subject | Re: System hang with ATI's lousy driver |
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Jan De Luyck wrote: > On Tuesday 20 April 2004 21:28, Joel Jaeggli wrote: > > >>kernel drm + xfree86 driver will actually provide accelerated opengl >>support in Xwindows albiet without quite as many hardware features as the >>proprietary driver on all the rv2xx chipsets including the 9000 but not >>on the later models. >> >>kernel drm & radeonfb have been reported to not play very well with each >>other in other venues. vesafb is known to work in this situation though. > > > I have that particular setup running quite satisfactory now for a few months, > using a Radeon 9000 Mobile chip. No problems at all. >
I discovered why I thought the Mesa driver wasn't working. It turns out that kscreensaver is broken. If I use xscreensaver, or the screen saver starts from Gnome, or I run the OpenGL program stand-alone, everything works fine. But if I use KDE's screen saver program or it starts automatically in KDE, OpenGL screen savers get all flickery, as if double-buffering had been disabled.
Apparently, this is a long out-standing bug in KDE.
The only bit of this that is not off-topic is that ATI's proprietary drivers are broken, because they don't get along with radeonfb.
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