[Bug 28017] New: Compiz segfaults, backtrace log and patch included

[Bug 28017] New: Compiz segfaults, backtrace log and patch included

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=28017

           Summary: Compiz segfaults, backtrace log and patch included
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/DRI/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: tallica-h7QdYz1kt/Q@public.gmane.org


Created an attachment (id=35495)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35495)
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.

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[Bug 28017] Compiz segfaults, backtrace log and patch included

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=28017

--- Comment #1 from Michał Lipski <tallica@o2.pl> 2010-05-07 07:19:47 PDT ---
Created an attachment (id=35496)
 View: https://bugs.freedesktop.org/attachment.cgi?id=35496
 Review: https://bugs.freedesktop.org/review?bug=28017&attachment=35496

Patch

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[Bug 28017] Compiz segfaults, backtrace log and patch included

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=28017

--- Comment #2 from Sergey Fionov <fionov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2010-05-08 02:48:31 PDT ---
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.

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[Bug 28017] Compiz segfaults, backtrace log and patch included

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=28017

Marcin Slusarz <marcin.slusarz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|nouveau-PD4FTy7X32lNgt0PjOBp93rCq3LdnpKM@public.gmane.org |mesa-dev-PD4FTy7X32lNgt0PjOBp9/rsn8yoX9R0@public.gmane.org
                   |rg                          |org
          Component|Drivers/DRI/nouveau         |Mesa core

--- Comment #3 from Marcin Slusarz <marcin.slusarz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
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".

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