On Wednesday 13 Jul 2011 15:42:02 Nikos Chantziaras wrote: > On 07/13/2011 03:25 PM, Mick wrote: > > [...] > > Is the [r600] gallium stable now? I found it was locking up a kde > > desktop with effects enabled and set it back to classic. > > It's been made the default driver in Mesa now. So I guess that means > it's considered stable. But for me, both classic and gallium can hang > the machine. At least with Gallium I know how to fix it though: > > Section "Device" > Identifier "HD4870" > Driver "radeon" > Option "EnablePageFlip" "FALSE" > EndSection > > in an xorg.conf.d file.
Unfortunately it doesn't help. If I enable compositing in KDE the screen locks up (with horizontal artifacts/tearing) and I get this in dmesg: [drm:r100_cs_track_check] *ERROR* [drm] No buffer for z buffer ! [drm:radeon_cs_ioctl] *ERROR* Invalid command stream ! [drm:r100_cs_track_check] *ERROR* [drm] No buffer for z buffer ! [drm:radeon_cs_ioctl] *ERROR* Invalid command stream ! [drm:r100_cs_track_check] *ERROR* [drm] No buffer for z buffer ! [drm:radeon_cs_ioctl] *ERROR* Invalid command stream ! [drm:r100_cs_track_check] *ERROR* [drm] No buffer for z buffer ! [drm:radeon_cs_ioctl] *ERROR* Invalid command stream ! Google mentions a bug in mesa. -- Regards, Mick
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