Bug 127631 - Impress becomes unresponsive after showing slide with animation in .ppt file
Summary: Impress becomes unresponsive after showing slide with animation in .ppt file
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: LibreOffice (show other bugs)
(earliest affected)
4.4 all versions
Hardware: All Linux (All)
: medium normal
Assignee: Not Assigned
Keywords: bibisectRequest, filter:ppt, regression
Depends on:
Reported: 2019-09-19 00:36 UTC by jdien07
Modified: 2019-09-25 16:09 UTC (History)
1 user (show)

See Also:
Crash report or crash signature:

.ppt powerpoint slide (3.53 MB, application/vnd.ms-powerpoint)
2019-09-19 00:37 UTC, jdien07

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Description jdien07 2019-09-19 00:36:37 UTC
In the Linux version but not the OS X version, Impress becomes unresponsive after showing slide with animation in .ppt file (attached).

Steps to Reproduce:
1.open file
2.navigate to the fourth slide
3. start slide show at current slide

Actual Results:
slide is shown normally but animation does not occur.  Furthermore changing slides with arrows no longer works.  The slide does not change.  If one presses escape to leave slideshow mode or one uses right-click, it becomes evident that Impress has been keeping track of the slide changes, it's just not updating the slide on the screen.

Expected Results:
A click should trigger an animation effect of an image object appearing on the slide.  Further clicks should trigger two more such animated objects.  A further click should advance to the next slide.  An arrow press should change the slide being shown.

Reproducible: Always

User Profile Reset: Yes

OpenGL enabled: Yes

Additional Info:
I see this bug under Linux (Pop os, a variety of Ubuntu) but not under OS X (both with the same version of Libre Office).
Comment 1 jdien07 2019-09-19 00:37:52 UTC
Created attachment 154275 [details]
.ppt powerpoint slide
Comment 2 Xisco Faulí 2019-09-25 16:05:42 UTC
Reproduced in

Build ID: cc65651a0490383f1a833bb6215d8ec4272d8b5d
CPU threads: 4; OS: Linux 4.15; UI render: default; VCL: gtk3; 
Locale: ca-ES (ca_ES.UTF-8); UI-Language: en-US
Calc: threaded
Comment 3 Xisco Faulí 2019-09-25 16:06:41 UTC
Not reproducible in

Versión: (x86)
Id. de compilación: b79626edf0065ac373bd1df5c28bd630b4424273
Subprocs. CPU: 1; SO: Windows 6.1; Repres. IU: predet.; VCL: win; 
Configuración regional: es-ES (es_ES); Idioma de IU: es-ES
Calc: threaded

thus, linux only...
Comment 4 Xisco Faulí 2019-09-25 16:09:08 UTC
Also reproduced in

Build ID: 5b168b3fa568e48e795234dc5fa454bf24c9805e
CPU Threads: 4; OS Version: Linux 4.15; UI Render: default; 
Locale: ca-ES (ca_ES.UTF-8

Build ID: c15927f20d4727c3b8de68497b6949e72f9e6e9e

but not in

Version (Build ID: efca6f15609322f62a35619619a6d5fe5c9bd5a)