On 6 November 2008 19:25:26 Protas Oleksiy wrote: > Hi, > > I am sorry for asking on the list such a question, but how one makes > sure GEM is used? I'll explain in more details: > mesa-7.2 > xorg-server-1.5.2 > libdrm-2.4.0 > xf86-video-intel-2.5.0 > vanilla linux-2.6.28-rc3 > EXA acceleration > > When I try running glx app on this setup I get 'Cannot use TTM' error, > so after googling I've found out that TTM support is disabled in > mesa>=7.1. Apparently the system should make use of GEM since it is > present in both kernel and video driver, but for some reason it does > not and I end with SLOW glx visuals(~10x performance drop). > > My question is how I check and possibly enable GEM in my OpenGL stack? > Thank you in advance. > > PS: dmesg and xorg.log are of no help
I suggest to rollback to 2.6.27 kernel (or any non-gem kernel). At least on my gma950 I failed to get 3D working - I have same issues as yours (~3-10x performance drop), even with latest mesa/libdrm/xf86-video-intel from git. Regards Vasily
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