On 10/25/10 10:15:46, Jacques Montier wrote: > Hi all, > > I have an old RV350 9600 ATI graphic card and the open source radeon > driver works fine with 2.6.36 kernel. >
That depends on the application. e.g. glxgears runs fine while a PyOpenGL application crashes the whole machine. See https://bugs.freedesktop.org/show_bug.cgi?id=28402 You might try http://impressive.sourceforge.net/ (it needs PIL, PyGames and PyOpenGL) Helmut. > > Le 25/10/2010 09:50, Helmut Jarausch a gentiment tapote: > > > Hi Paul, > > > > it turned out there is a bug in the linux kernel up to and > including > > 2.6.36 concerning > > drivers/gpu/drm/radeon > > when it comes to all graphics chips like RV350. > > > > Does anybody know about a patch for gentoo-sources-2.6.36 ? > > > > Many thanks for a hint, > > Helmut. > > > > > > On 10/22/10 17:04:24, Paul Hartman wrote: > >> On Fri, Oct 22, 2010 at 4:41 AM, Helmut Jarausch > >> <jarau...@igpm.rwth-aachen.de> wrote: > >>> Hi, > >>> > >>> this is a bit off topic, since it primarily concerns a laptop > >> running > >>> OpenSuSe 11.3, but I do need your help and I known there are > >> experts > >>> here. > >>> > >>> This old laptop has a > >>> radeon RV350 (mobility Radeon 9600 M10) graphics card. > >>> > >>> There is an xf86-video-ati driver installed. > >>> > >>> Now, when booting with the (default) radeon.modeset=1 > >>> the graphics is dead slow (not only for glxgears : 200 frame/s > but > >> for > >>> my OpenGL application (Impressive), as well). > >>> > >>> Now, when I replace the option on the kernel command line to > >>> radeon.modeset=0 > >>> glxgears is much faster ( about 1800 frames/s ) > >>> BUT my OpenGL application (python gtk + opengl) > >>> now freezes the whole machine - only power on/off can revive > >>> it. > >>> > >>> Hopefully, someone has an idea on what is going wrong here. > >>> > >>> (The hardware is too old for a recent ATI closed source driver > >>> supporting a recent kernel 2.6.34.x) > >>> > >>> Many thanks for your help which is very much appreciated. > >>> Helmut. > >> I have a very similar card in my Gentoo laptop (Mobility Radeon > 9700, > >> I think maybe it's the same as 9600 but clocked higher). I tried > KMS > >> radeon driver but had some issues, maybe it was user-error but > when > I > >> disabled KMS everything went back to normal. > >> > >> Otherwise if you want to stick with KMS all I can think of is to > try > >> different AccelMethod settings in your xorg.conf to see if you get > >> better performance from one of them. I think maybe you need to > >> disable > >> console framebuffer as well, in case you're using one. > >> > >> > >> > > > > > > -- Helmut Jarausch Lehrstuhl fuer Numerische Mathematik RWTH - Aachen University D 52056 Aachen, Germany
