[Mesa-dev] [Bug 110697] glXWaitForMscOML and glXWaitVideoSyncSGI may block indefinitely

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jun 13 02:10:42 UTC 2019


--- Comment #11 from QwertyChouskie <asdfghrbljzmkd at outlook.com> ---
(In reply to QwertyChouskie from comment #10)
> (In reply to Michel Dänzer from comment #9)
> > (In reply to QwertyChouskie from comment #8)
> > > I think this was worked around in the current release of kwin-lowlatency in
> > > this commit:
> > > https://github.com/tildearrow/kwin-lowlatency/commit/
> > > 73f09f6e11ce806064d0360bef1383e0779d9fa4
> > 
> > I've tried the commit before that one as well now, still unable to reproduce.
> tildearrow, can you give detailed repro steps?

Whoops, missed that they were posted in a comment further down.  Here they are
again for reference:

> The test case has been mentioned already. However I forgot to include reproduction steps:
> 1. Compile kwin-lowlatency (mkdir build && cd build && cmake .. && make)
> 2. Launch it with `QT_PLUGIN_PATH="$PWD/bin" ./bin/kwin_x11 --replace`
> 3. Move a window to the top left corner as quick as possible and then shake it horizontally
> 4. Keep trying until it freezes (it usually does on the first or second try)

(Just make sure to use the older commit for all testing :)

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