[Libreoffice-bugs] [Bug 123009] New: Impress v6.14 slideview presentation after 68 slides or so stops. Screen message: LibreOffice fatal error: could not create system bitmap

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=123009

            Bug ID: 123009
           Summary: Impress v6.14 slideview presentation after 68 slides
                    or so stops. Screen message: LibreOffice fatal error:
                    could not create system bitmap
           Product: LibreOffice
           Version: 6.0.4.2 release
          Hardware: x86-64 (AMD64)
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: richard_h_ward at compuserve.com

Description:
I created the presentation on 5.0.2  then migrated the presentation to 6.0.4
where I had colour graphics changes which i noted were solved in 6.0.7. Having
corrected these faults I then used slide view to validate my work but after 20
minutes the presentation froze. then on mouse click Impress closed down. on
restart document recovery sucessful but lost the most recent work despite the
default autobackup in place. After reading the bug fixes in 6.0.7 and 6.1.4 I
then installed 6.1.4 on my Window 8.1 operating system. I continued to work on
the presentation (now saving on every change made), which is 121 slides (size
83Mb) with many text box movements, pictures fade in /out, text displayed word
by word etc. Using slideview the first time after 90 slides the screen froze
(in 6.0.4)and in 6.1.4 after 68 slides repeatable error. This also happens when
using right click the file windows "show". To get round this I thought save the
file change the attributes to read only so that the file can not be changed.
Also stop autobackup (thinking this was the problem), then slideview the read
only file, the same result screen froze. When R H click mouse Impress closed
back to the Windows 8.1 front screen, after the LibreOffice message stated:
"LibreOffice Fatal error: could not create system bitmap". Then on restart
Document recovery (as read only dismissed) and reloaded the read only file: the
fault is repeatable. At present the only way to prevent the Fatal error is to
slideshow the file in blocks of slides (1-31;31-68;68-97;97-121)which works.
But a little frustrating. The presentation I will be using screen capture to
create a video. So to slideshow and screen capture in 4 segments is no problem
as video editor can merge the presentation into one. Knowing the bug fatal
error exists, I can work round but I put this bug to you, just in case others
find or have found the same problem. Espectially, if the fatal error happens
when presenting in the Boardroom to the Chair and Directors.
Also I updated Libre Office to 6.1.4 on my laptop running Windows 10 same fatal
error. So not an isolated bug ( in my view).         


Actual Results:
Impress 121 slide presentation created, save, run slideshow from slide 1, show
stops after 10-15 minutes (first time slide  90+ second time slide 68
repeatable)presentation freezes click mouse presentation closes. Restart
Impress Document recovery disregarded corrected any last changes not saved.
saved, closed impress, changed the file atribute to read only open impress ran
slide show from slide 1, screen froze after 68 or so slides screen displayed
fatal error (see above). though the read only file ok.  

Expected Results:
The presentation file was not corrupt but could carry on working 


Reproducible: Always


User Profile Reset: No



Additional Info:
create the presentation, run slide show from slide 1 and the show to run
through to slide 121.

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