https://bugs.freedesktop.org/show_bug.cgi?id=57071

Roman Eisele <b...@eikota.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #4 from Roman Eisele <b...@eikota.de> ---
Thank you very much for your answer and the results!

> I managed to target the problem, and, as you suggested, it was indeed
> related to BetterTouchTool.
Now we know what has triggered this problem ...

> Adding an exception in BetterTouchTool made the freeze went away.
... and even have a suitable workaround, thank you for that, too!

> I'm not sure this makes the issue "resolved", though, more like a "known
> issue".
Yes, you are right: the problem is not resolved. There is some bug in the
LibreOffice code which interacts with the Mac Accessibility API, and this bug
gets triggered by BetterTouchTool, because it uses and activates the usage of
the Mac Accessibility API.

Therefore I will add this bug to our list of known problems related to the
usage of the Mac Accessibility API (bug 55571).

*

The freeze/hang is easily REPRODUCIBLE when BetterTouchTool or RightZoom is
installed, therefore I can set the Status of this bug report to NEW.
Reproduced with LibreOffice 3.6.3.2 on Mac OS X 10.6.8 (Intel).

How to reproduce:
1) Either
   a) Install RightZoom, activate it, and include LibreOffice in the list
   of applications it should work with.
   or
   b) Install BetterTouchTool and activate it.
   Hint: it seems that you do not need to make any special settings,
   just click “Yes“ when you are asked if you want to activate Window snapping
   (that prompt appears right at the 1st start of BetterTouchToul).
2) Start LibreOffice (used here: 3.6.3.2).
3) Create a new empty spreadsheet
4) Try to drag the divider at the bottom of the spreadsheet window
   between the tabs section and the horizontal scroll bar.
5) LibO freezes with ca. 100% CPU usage.

I will attach the Mac OS log file created when I had to force quit LibreOffice.

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