Created attachment 35495 [details] Backtrace log Hello, I use GIT versions of Nouveau and Gallium 3D driver. I'm getting reproducible crash of stable Compiz 0.8.6 while starting some applications in maximized mode, e.g Gedit, Geany, Komodo Edit. Backtrace and patch (I'm not sure if it's a proper fix) included.
Created attachment 35496 [details] [review] Patch
On 2 my NV40s (NV43 and NV4B) compiz segfaults on the same place when using "resize"(normal mode) and "switcher" plugins. dri2_process_buffers is trying to process even if buffers were not allocated. With this patch compiz does not segfault, but decoration flickers while resizing window - white border is shown instead. Anyway it reduces the problem to flickering and lack of textures instead of crash.
I guess this was fixed in the meantime? By looking at the backtrace it doesn't seem to be Nouveau issue - reassigning to "Mesa core".
The current mesa code looks to have changed and probably avoids this issue. Closing.
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