On Wed, Sep 30, 2009 at 10:20 AM, Daniel J Blueman <daniel.blue...@gmail.com> wrote: > When running 2.6.32-rc1 with modesetting on a HD3470/R600 GPU [1] with > updated userland [2], I experience a GPU lockup 2-3 seconds after > starting glxgears under compiz. We also see intermittent rendering > buffer corruption [3] when glxgears is started, and sometimes > corruption with text compositing in eg gnome-terminal. > > When the GPU lockup occurs, we observe Xorg is waiting for the GPU > operation to complete [4]; DRM debug reflects this [5]. Xorg.log > [attached] isn't telling. > > The problem isn't reproducible booting with 'nomodeset', so sounds > like the radeon KMS init path doesn't correctly/consistently > initialise some registers. What tools would be useful to dump the > state, perhaps so I can perform a like for like comparison? >
There may be some buffer accounting issues with draw prims under kms. Does disabling draw prims fix the issue? To disable the draw prims interface, revert this patch: http://cgit.freedesktop.org/mesa/mesa/commit/?id=eea30906de37ea3b2f8a594c2b33b643d3dde987 Alex ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Mesa3d-dev mailing list Mesa3d-dev@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
