compiz team mailing list archive

[Bryce Harrington <691653@xxxxxxxxxxxxxxxxxx>]

Well, this is a pretty simpleminded check, but it looks like it might
prevent it from crashing at least.

Still doesn't answer why the null pointer got in there to begin with.

We've got a new mesa release coming soon.  I poked through the git tree
looking for an obvious fix for this issue but didn't spot it.  Still, I
think the next step would be to test a newer mesa to verify it still has
this bug, and then test out if this patch solves it, or just shifts the
issue to some other bit of code.  (Guessing the latter).

** Patch added: "winsys_buffer_nullptr.patch"
   https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/691653/+attachment/1783726/+files/winsys_buffer_nullptr.patch

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https://bugs.launchpad.net/bugs/691653

Title:
  compiz crashes when using alt-tab (the radeon driver kills it)