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Hi all, |
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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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Cheers, |
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|
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-- |
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Jacques |
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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 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 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 9700, |
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>> I think maybe it's the same as 9600 but clocked higher). I tried KMS |
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>> radeon driver but had some issues, maybe it was user-error but when 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 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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> |