[Libreoffice-bugs] [Bug 129675] New: Rendering presentation slide uses too much memory

bugzilla-daemon at bugs.documentfoundation.org bugzilla-daemon at bugs.documentfoundation.org
Sat Dec 28 20:57:53 UTC 2019


https://bugs.documentfoundation.org/show_bug.cgi?id=129675

            Bug ID: 129675
           Summary: Rendering presentation slide uses too much memory
           Product: LibreOffice
           Version: 6.3.3.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: cesarb at cesarb.eti.br

Description:
Going past slide 19 on this presentation, either in the full-screen
presentation view or even just scrolling past its thumbnail in the sidebar,
consumes more than 16GB of RSS, going heavily into swap (thrashing). Every
time, I managed to kill it before it reached the OOM killer, but the window
manager was already slowed down by the thrashing (taking many seconds to react
to every action).

Steps to Reproduce:
1. Get the file "pmo janeiro 2020_NEWAVE.pptx" from
http://www.ons.org.br/AcervoDigitalDocumentosEPublicacoes/APRESENTACOES_PMO_202001.zip
2. Open the file
3. Try to go past slide 19 (the one with a map of Brazil), either in
full-screen presentation mode, or scrolling with the mouse wheel on the
left-hand slide list

Actual Results:
Libreoffice locks up allocating huge amounts of memory, soon exhausting the 16
GB RAM on this machine, and then the whole computer locks up due to heavy
thrashing. Libreoffice can still be force-killed through the window manager or
the terminal to bring the system back to normal.

Expected Results:
It should allocate a normal amount of memory.


Reproducible: Always


User Profile Reset: No


OpenGL enabled: Yes

Additional Info:
The exact version is libreoffice-impress-6.3.3.2-7.fc31.x86_64 (Fedora 31
package).

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