Application: okular (0.10.2) KDE Platform Version: 4.4.2 (KDE 4.4.2) Qt Version: 4.6.2 Operating System: Linux 2.6.32-21-generic i686 Distribution: Ubuntu 10.04 LTS -- Information about the crash: okular crashed while starting from a byobu session: $ okular Getting\ Started.pdf Qt: Session management error: Could not open network socket okular(9427): Session bus not found KCrash: Application 'okular' crashing... sock_file=/home/prateek/.kde/socket-infinity/kdeinit4__0 [1]+ Stopped okular Getting\ Started.pdf -- Backtrace: Application: Okular (okular), signal: Aborted [KCrash Handler] #6 0x00652422 in __kernel_vsyscall () #7 0x0658b651 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #8 0x0658ea82 in *__GI_abort () at abort.c:92 #9 0x009892dc in qt_message_output (msgType=QtFatalMsg, buf=0x9dc4fc8 "okular(9427): Session bus not found \n") at global/qglobal.cpp:2250 #10 0x0028f3b5 in ~QDebug (this=0xbf9b8af0, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qdebug.h:85 #11 0x0037eb3c in KApplicationPrivate::init (this=0x9ca17e0, GUIenabled=true) at ../../kdeui/kernel/kapplication.cpp:501 #12 0x003801c7 in KApplication (this=0xbf9b8c30, GUIenabled=true) at ../../kdeui/kernel/kapplication.cpp:343 #13 0x0804ee92 in main (argc=2, argv=0xbf9b8e24) at ../../../okular/shell/main.cpp:50 Possible duplicates by query: bug 237928. Reported using DrKonqi
Not a bug, you need dbus up and running for KDE Applications to work, as the warning says, the Session bus was not found and that's why Okular failed to start.