On 07.09.2014 01:01, Christoph Brill wrote: > > I'm currently trying to get a HD 4670 aka RV730 XT to work against X.org > 1.16, xf86-video-ati 7.4.0 on a Linux 3.16.1. > > Can anyone tell me: Should this card be able to handle an average Gnome > desktop?
Of course. > The problem was: 3D rendering did not work at all. > > Starting gdm lead to hanging Xorg. Calling glxgears on a twm session > just rendered a black window, which stayed even if the process was > killed by CTRL+C. I managed to get glxgears do do its job by setting > "vblank_mode=0". > > I guessed my card does not like to play along with vsync at all. So I > went ahead to disable vsyncing (tearing is still better than no display > at all). Setting it globally in /etc/drirc seems to get glxgears running. > > Testing Xonotic on twm showed, that the card was now able to handle 3D. > But: gdm still was extremely sluggish and eventually froze. Starting > gnome-shell directly from startx gets me to the desktop, but any action > freezes the process. > > Is there still hope for this card or should I get rid of it? It sounds like there's a problem with interrupt processing on your system. Please provide the dmesg output. You might try disabling/enabling MSI to see if that works around the problem. -- Earthling Michel D?nzer | http://www.amd.com Libre software enthusiast | Mesa and X developer