https://bugs.freedesktop.org/show_bug.cgi?id=109560
Michel Dänzer <mic...@daenzer.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|Mesa core |GLX
--- Comment #8 from Michel Dänzer <mic...@daenzer.net> ---
(In reply to Michel Dänzer from comment #7)
> > [...] maybe the X server failed to send an event when it should
> > (e.g. because the window was unmapped).
I've now confirmed this is what's happening. VLC has already destroyed the X11
window at this point, so the X server can't send any Present events for it
anymore.
It might be tricky to make Mesa robust against this... While the GLX spec says
this should be handled gracefully, I suspect it might be easier for VLC to
destroy the GLX context before the window.
> > Most likely not an XCB issue though.
>
> I'm not sure about this anymore, since thread 6 (from Qt) is stuck in
> xcb_wait_for_event.
That's using a different XCB display handle, so unrelated.
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