[Bug 307558] New: systemsettings: crash when trying to configure screensaver

[David Smith]

https://bugs.kde.org/show_bug.cgi?id=307558

            Bug ID: 307558
          Severity: major
           Version: 4.8.4
          Priority: NOR
          Assignee: unassigned-bugs at kde.org
           Summary: systemsettings: crash when trying to configure
                    screensaver
    Classification: Unclassified
                OS: Linux
          Reporter: sidicas at sidicas.us
          Hardware: Debian testing
            Status: UNCONFIRMED
         Component: general
           Product: systemsettings

I think this is different from the other screensaver configure crash since this
appears to be caused *ONLY* by permissions issues.


The workaround is to just not run it with elevated privileges.

Crash dump generated by steps above:

 Application: KXSRun (kxsrun), signal: Aborted

Using host libthread_db library
"/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1".

[KCrash Handler]

#7 0xb77a4424 in __kernel_vsyscall ()

#8 0xb5d64941 in raise () from /lib/i386-linux-gnu/i686/cmov/libc.so.6

#9 0xb5d67d72 in abort () from /lib/i386-linux-gnu/i686/cmov/libc.so.6

#10 0xb5fe6bfc in qt_message_output (msgType=QtFatalMsg, buf=0x96f6740
"kxsrun(5419)/kdeui (kdelibs): Session bus not found \nTo circumvent this
problem try the following command (with Linux and bash) \nexport
$(dbus-launch) ") at global/qglobal.cpp:2284

#11 0xb71397e8 in QDebug::~QDebug (this=0xbf9efd34, __in_chrg=<optimized
out>) at /usr/include/qt4/QtCore/qdebug.h:85

#12 0xb7234fe4 in KApplicationPrivate::init (this=0x9705ee0,
GUIenabled=GUIenabled at entry=false) at
../../kdeui/kernel/kapplication.cpp:516

#13 0xb7236050 in KApplication::KApplication (this=0xbf9eff6c,
GUIenabled=false) at ../../kdeui/kernel/kapplication.cpp:352

#14 0x0804e74c in ?? ()

#15 0xb5d50e46 in __libc_start_main () from
/lib/i386-linux-gnu/i686/cmov/libc.so.6

#16 0x0804f605 in _start ()

Reproducible: Always

Steps to Reproduce:

1. Edit your "System Settings" menu item: select "run as different user"
2. Start up System Settings, it prompts for root password, enter it.
3. Click on "Display and Monitor"
4. In the window that pops up, click on "Screen Saver" on the left.
5. Expand one of the screensaver selections in the middle of the screen.
6. Click a screensaver.
7. Segfaults.

Actual Results:  
Crashes

Expected Results:  
The screensaver should be configured properly.

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