| Summary: | Segmentation Fault in nv50_screen_fence_update | ||
|---|---|---|---|
| Product: | Mesa | Reporter: | Philipp Knechtges <philipp-dev> |
| Component: | Drivers/DRI/nouveau | Assignee: | Nouveau Project <nouveau> |
| Status: | RESOLVED FIXED | QA Contact: | |
| Severity: | normal | ||
| Priority: | medium | CC: | rdieter |
| Version: | 7.11 | ||
| Hardware: | x86-64 (AMD64) | ||
| OS: | Linux (All) | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
| Attachments: |
backtrace of the crash
simple fix |
||
Created attachment 54088 [details] [review] simple fix Cherry-picking 3069a7eaa5d83e7f41616347ba244c0dc0d944ae (and 27e77cb902b4f7f5e127dcd78951e3167f13d59c) to 7.11 should fix it. Alternatively we could apply attached patch. Can you verify both patches fix your crash? The attached patch as well as the commit 3069a7eaa5d83e7f41616347ba244c0dc0d944ae fix the bug. The commit 3069a7ea seems to be sufficient, what also explains why it even worked with mesa master before you commited 27e77cb902b4f7f5e127dcd78951e3167f13d59c. Thanks a lot :) Commited to 7.11. Thanks. |
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Created attachment 54024 [details] backtrace of the crash Nouveau in the combination with the egl_dri2 driver crashes in the aforementioned function. The egl_gallium driver seems to work fine (tested with Mesa 7.11.2), but this driver is unfortunately not shipped with fedora. As the bug vanishes if I use the latest Mesa 7.12-devel (git-ccd4d43), I would suggest that some of the patches that substitute the function nv50_screen_fence_update are ported back to 7.11. Thanks a lot. For completeness: I'm using a nvidia NVS 3100M and the fedora 2.6.41 kernel.