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