Comment # 4 on bug 1040546 from Kriton Kyrimis

Same here, except that CPU usage is 100%.

A workaround that I have found is to force LibreOffice to use the KDE instead
of the gnome interface, by setting the OOO_FORCE_DESKTOP environment variable
to kde4. I suspect that the reason that LibreOffice is always started using the
gnome interface no longer exists (see bug #1042136 which I just submitted), so
this may be the way to go, if you use KDE.