[okular] [Bug 382725] Okular crashes when rotating view in multi-page pdf document

[Ian Borg]

https://bugs.kde.org/show_bug.cgi?id=382725

Ian Borg <borgic at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |borgic at gmail.com

--- Comment #9 from Ian Borg <borgic at gmail.com> ---
I can confirm this bug on a current OpenSUSE Leap 42.3 system. 

However, it only happens when I launch the program from the main Application
Launcher in the lower left hand corner. When I open a multi page doc and rotate
right or left the Okular window just closes, with no other dialog at all.
When I run the program under gdb, it does not crash when rotating. 
It does, however lock up after a while, usually when scrolling through pages
using the navigation bar set to thumbnails. 
gdb shows an error in the trace output close to where the program is started,
plus a segfault where it locks up. I'm including them in case they have
anything to do with the rotation issue, I have no idea:

1. error when okular is started or re-started:

(gdb) run
The program being debugged has been started already.
Start it from the beginning? (y or n) y
Starting program: /usr/bin/okular 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
[New Thread 0x7fffea9c3700 (LWP 19398)]
[New Thread 0x7fffe6115700 (LWP 19399)]
Detaching after fork from child process 19402.
Detaching after fork from child process 19403.
[New Thread 0x7fffccbf2700 (LWP 19405)]
[New Thread 0x7fffc83f1700 (LWP 19406)]
[Thread 0x7fffc83f1700 (LWP 19406) exited]
[Thread 0x7fffccbf2700 (LWP 19405) exited]
QXcbConnection: XCB error: 3 (BadWindow), sequence: 4859, resource id:
36951301, major code: 40 (TranslateCoords), minor code: 0
[New Thread 0x7fffccbf2700 (LWP 19408)]
[New Thread 0x7fffc83f1700 (LWP 19409)]



2: Segfault once the pgm locks up:

...etc etc
[Thread 0x7fffb6b69700 (LWP 19640) exited]
[New Thread 0x7fffb6b69700 (LWP 19641)]
[Thread 0x7fffb6b69700 (LWP 19641) exited]
[New Thread 0x7fffb6b69700 (LWP 19642)]
[Thread 0x7fffb6b69700 (LWP 19642) exited]

Thread 72 "Queue(0x12e7190" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffc83f1700 (LWP 19475)]
0x00007ffff566d8b0 in vtable for QPaintDevice () from /usr/lib64/libQt5Gui.so.5
(gdb)

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