[okular] [Bug 368151] New: Use with Xvnc and Xrdp causes immediate crash.

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=368151

            Bug ID: 368151
           Summary: Use with Xvnc and Xrdp causes immediate crash.
           Product: okular
           Version: 0.20.3
          Platform: Debian stable
                OS: Linux
            Status: UNCONFIRMED
          Severity: grave
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: kde at greenmountainservices.com

Application: okular (0.20.2)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.16.0-4-amd64 x86_64
Distribution: Debian GNU/Linux 8.5 (jessie)

-- Information about the crash:
Upon start of Okular (no matter what the PDF) it immediately crashes.

Using KDE on debian with xrdp (e.g. access using rxdp).

The X11 host is Xvnc:

Xvnc Free Edition 4.1.1 - built Apr  2 2015 21:54:27
Copyright (C) 2002-2005 RealVNC Ltd.
See http://www.realvnc.com for information on VNC.
Underlying X server release 40300000, The XFree86 Project, Inc

The crash can be reproduced every time.

-- Backtrace:
Application: Okular (okular), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f398166699a in ?? () from
/usr/lib/x86_64-linux-gnu/kde4/plugins/kscreen/1/KSC_XRandR11.so
#7  0x00007f39872e80a5 in Okular::Utils::realDpi (widgetOnScreen=0x1825080) at
../core/utils.cpp:105
#8  0x00007f39872c0336 in Okular::DocumentPrivate::openDocumentInternal
(this=0x1817470, offer=..., isstdin=isstdin at entry=false, docFile=...,
filedata=..., password=...) at ../core/document.cpp:939
#9  0x00007f39872c0e5a in Okular::Document::openDocument (this=0x17fe550,
docFile=..., url=..., _mime=..., password=...) at ../core/document.cpp:2227
#10 0x00007f398758f193 in Okular::Part::doOpenFile (this=0x17f5bf0, mimeA=...,
fileNameToOpenA=..., isCompressedFile=<optimized out>) at ../part.cpp:1253
#11 0x00007f398759122f in Okular::Part::openFile (this=0x16ff8a8) at
../part.cpp:1374
#12 0x00007f399916373a in ?? () from /usr/lib/libkparts.so.4
#13 0x00007f3999165b76 in KParts::ReadOnlyPart::openUrl(KUrl const&) () from
/usr/lib/libkparts.so.4
#14 0x00007f398758603b in Okular::Part::openUrl (this=0x17f5bf0, _url=...) at
../part.cpp:1527
#15 0x000000000040ee96 in Shell::openUrl (this=this at entry=0x17cfea0, url=...,
serializedOptions=...) at ../../shell/shell.cpp:235
#16 0x000000000040f15b in Shell::openDocument (this=this at entry=0x17cfea0,
url=..., serializedOptions=...) at ../../shell/shell.cpp:181
#17 0x0000000000409d8f in Okular::main (paths=..., serializedOptions=...) at
../../shell/okular_main.cpp:148
#18 0x0000000000409662 in main (argc=<optimized out>, argv=<optimized out>) at
../../shell/main.cpp:51

Possible duplicates by query: bug 341867, bug 335698, bug 334415, bug 334088.

Report to https://bugs.kde.org/

Reproducible: Always

Steps to Reproduce:
1. open any pdf
2.
3.

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