On Thu, 2008-02-07 at 19:13 +0100, Xavier Bachelot wrote: > Andrey Melentyev wrote: > >> Okay, in SVN AGP DMA is disabled by default now on the K8M800. > >> Let's wait for Xavier to include this in a 0.2.902 release. > > > > Its not only K8M800 but VN800 too. I thought I did mention it > > somewhere in ticket comments. > > > I'm not particularly happy with the AGPDMA change for K8M800, it used to > work and I believe the pb is not in openchrome code. Andrey's follow-up > is the perfect example of what will happen next if we follow this path, > disable AGPDMA for VM800. And all chipsets if we continue on this road... > I suspect the problem could be in the kernel (either AGP or DRM), but as > I'm not affected by the pb, I can't try to narrow it down. As it seems > pretty easy to trigger the bad behaviour for those affected, it would be > really interesting to have someone try with various kernel release, say > from 2.6.18 up to 2.6.23 and see if/when the pb disappear. > I own a K8M800 and when i have AGPDMA enabled the unichrome_dri.so produce the hang up of my machine (in debian sid provided by libgl1-mesa-dri). This behaviour i experimented with 2.6.20, 2.6.21, 2.6.22 and 2.6.23 (kernels compiled by myself and also the debian packaged kernels)
that's all the information i give you, i tried to debug the but i never could do this, especially because is recommended (at freedesktop.org) use a second machine and connect via ssh yo debug it, but i own my laptop currently. good luck ;) and thanks for keeping the development of this driver regards -- Felipe Reyes A. Estudiante de Ingeniería Ejecución Informática Universidad de Santiago de Chile counter.li.org #316380
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