| Priority | medium |
|---|---|
| Bug ID | 58925 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | compis/kwin crashes on nouveau due to msaa |
| Severity | normal |
| Classification | Unclassified |
| OS | All |
| Reporter | bobahu4@gmail.com |
| Hardware | Other |
| Status | NEW |
| Version | XOrg CVS |
| Component | General |
| Product | DRI |
Here compiz/kwin crashes when tries to run with weird assertion on msaa textures. Found that msaa can be swithced off with enviroment variable http://cgit.freedesktop.org/mesa/mesa/commit/?id=1d0bf69f831e138a05a282e59746f20141046fd6 but GALLIUM_MSAA = 0 doesnt help at all. so I edited dri_fill_st_visual in dri_screen.c to disable msaa at all if (mode->sampleBuffers) { - stvis->samples = mode->samples; + stvis->samples = 1; } Now compiz/kwin work fine. kernel 3.8-git from ubuntu daily kernel-ppa, ubuntu 12.10, nvidia gtx670
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