[ Moving to the mesa-dev mailing list ] On Son, 2011-11-27 at 15:15 +0100, Hendrik Sattler wrote: > > I just upgraded to KDE-4.7.2 and Linux-3.1 and mostly when using Firefox, I > get issues like a stall screen, then a short blank screen and then it works > some time until that happens again. > > The kernel log then shows something like: > WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:267 > radeon_fence_wait+0x215/0x292() > Hardware name: TravelMate 6592 > GPU lockup (waiting for 0x00158B0E last fence id 0x00158B0C) [...] > So far, I think it's great that it can recover pretty fine most of the time > :-) > I now upgraded to Linux-3.1.3 and looked at the KDE setting about the possible > cause for this. New to me was the desktop effect setting about using > "OpenGL-2-Shader". I deactivated it and its stable so far. Is this a know > issue? Not that I know of. Which version of which Mesa driver are you using? The output of glxinfo would be interesting. > One other question: I saw that vdpau seems to be supported: > [ 24.226] (II) RADEON(0): [DRI2] VDPAU driver: r600 > What exactly is needed to use this? I tried "mplayer -vo vdpau" but that only > gives me: > Failed to open VDPAU backend libvdpau_r600.so: cannot open shared object file: > No such file or directory > [vdpau] Error when calling vdp_device_create_x11: 1 > Error opening/initializing the selected video_out (-vo) device. > > Where can I get this file. Latest Debian does not seem to have it... You need to build Mesa Git with at least --enable-vdpau. But note that it's still rather experimental and may not be useful to you, e.g. it can only decode MPEG 1/2 with the help of GPU shaders so far. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Debian, X and DRI developer -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html