On 2018-09-10 9:58 a.m., Felix Miata wrote: > Michel Dänzer composed on 2018-09-10 09:24 (UTC+0200): > >> Felix Miata wrote: > >>> No google hits describe why this happens or what can be done to avoid it. >>> How >>> can one determine whether this is absent software, broken software, or >>> unsupported GPU? > >> Unsupported GPU. > > I figured as much, but I worded my question here as I did on purpose, trying > to > elicit self-determination information. In the instant case I was really asking > on behalf of (trying to help) someone who is using an X1400 GPU getting only > black 800x600 output on his external display, but I've run into this error > message multiply before without ever finding out why glamor doesn't find the > 128 > instructions it requires.
Because the GPU is too old to support that many instructions in a shader. >> The recommended driver for ATI/AMD GPUs using the radeon kernel driver >> is the xf86-video-ati radeon driver, which supports hardware >> acceleration for your GPU via EXA. > > Does this apply to all ATI GPUs too old for the xf86-video-amdgpu driver? How > can a user make such a determination? Does one need to ask a developer for > each > GPU one comes across that fails with the default/integrated driver? Can one > use > PCI IDs or something else in a lookup table somewhere? If the radeon and amdgpu drivers are installed, the appropriate one is used by default automagically. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer _______________________________________________ [email protected]: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: https://lists.x.org/mailman/listinfo/xorg Your subscription address: %(user_address)s
