https://bugs.documentfoundation.org/show_bug.cgi?id=91390

Michael <mdun...@uwaterloo.ca> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Whiteboard|bibisectRequest             |bibisected

--- Comment #3 from Michael <mdun...@uwaterloo.ca> ---
It doesn't lock up in the traditional sense of the program becoming
unresponsive. The bug is, in presentation mode, you can step forward to slide
#3, and play the first animation (words slide down from top)... but further
advances don't show the remaining animations on that slide, or show the next
slides.

In the pptx file, from the start of slide 3, there are 60 "advances" to the end
of the presentation.

Via bibisect-releases,

- The bug does not happen in 3.6.7.2. 
- In 4.0.0.0.beta1, some parts of the slide-3 animation proceed, but they are
mangled, and after about 12 advances, the screen no longer updates. However, if
you keep pressing page-down until you hit 60 advances, it shows the "click to
exit presentation" screen. 
- In 4.0.0.0.beta2 and above, including 5.1 master builds, we get the
no-updates-after-first-animation-on-slide-3 behaviour. Again, advancing 60
times yields the 'end of presentation' screen.

So it appears that in 4.0.0.0.beta1 onwards, the presentation is internally
advancing, but the screen is not being updated correctly.


$ git bisect log
# bad: [12aa7e702b7d1f1a9de579e5293779dc84ef42e7] libreoffice-4.0.0.1
# good: [f829590e1c73663ee9463c2f54219794b88764b0] libreoffice-3.6.0.4
git bisect start 'libreoffice-4.0.0.1' 'libreoffice-3.6.0.4'
# good: [f4b2466b27f7d7d13b71213a534a8f01dfa1805b] libreoffice-3.6.6.1
git bisect good f4b2466b27f7d7d13b71213a534a8f01dfa1805b
# good: [2ba8a27cc4f9f01e531e73760f6c3f6505999be5] libreoffice-3.6.7.2
git bisect good 2ba8a27cc4f9f01e531e73760f6c3f6505999be5
# bad: [70384e41cb98846980857d709fb50601e57709b3] libreoffice-4.0.0.0.beta2
git bisect bad 70384e41cb98846980857d709fb50601e57709b3
# bad: [4f2186cd72652db35eebe5b1b9d3693723433b85] libreoffice-4.0.0.0.beta1
git bisect bad 4f2186cd72652db35eebe5b1b9d3693723433b85
# first bad commit: [4f2186cd72652db35eebe5b1b9d3693723433b85]
libreoffice-4.0.0.0.beta1

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