[Bug 70461] [sna suse] ddx assertion hits

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70461

--- Comment #139 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Chris Wilson from comment #138)
> The oddities that I need to explain:
> 
> Where did the last unref come from, the only clue in stacktrace is
> FreeResource(), suggesting that it came from the DRI2 core.

That appears to be that the named pixmap (for Composite) is used by DRI2 with
both the window and as a pixmap. The last free is from destroying the Pixmap.

> Do I have dangling private pointers from the window?

No, the DRI2 buffer is associated with the Pixmap not Window. The resized
Window creates a new DRI2Buffer for its new Pixmap and then we destroy the old
DRI2Buffer.

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