Description of problem: I selected Switch Users from a logged-in user (z1090). I received this and two other dumps during this time. I have been unable to reproduce it. Version-Release number of selected component: kde-runtime-drkonqi-4.10.4-2.fc18 Additional info: reporter: libreport-2.1.5 backtrace_rating: 4 cmdline: /usr/libexec/kde4/drkonqi -display :1 --appname kdmgreet --signal 6 --pid 8860 --appversion '' --programname '' --bugaddress submit.org --safer crash_function: qt_message_output executable: /usr/libexec/kde4/drkonqi kernel: 3.9.6-200.fc18.x86_64 runlevel: N 5 uid: 0 var_log_messages: Oct 6 22:25:30 z1090 abrt[8866]: Saved core dump of pid 8863 (/usr/libexec/kde4/drkonqi) to /var/tmp/abrt/ccpp-2013-10-06-22:25:29-8863 (7114752 bytes) xsession_errors: Truncated backtrace: Thread no. 1 (5 frames) #2 qt_message_output at global/qglobal.cpp:2323 #3 qt_message(enum QtMsgType, const char *, typedef __va_list_tag __va_list_tag *) at global/qglobal.cpp:2369 #4 qFatal at global/qglobal.cpp:2552 #5 QObjectPrivate::QObjectPrivate at kernel/qobject.cpp:138 #6 QKeyMapperPrivate::translateKeyEvent at kernel/qkeymapper_x11.cpp:1781
Created attachment 808679 [details] File: backtrace
Created attachment 808680 [details] File: cgroup
Created attachment 808681 [details] File: core_backtrace
Created attachment 808682 [details] File: dso_list
Created attachment 808683 [details] File: environ
Created attachment 808684 [details] File: limits
Created attachment 808685 [details] File: maps
Created attachment 808686 [details] File: open_fds
Created attachment 808687 [details] File: proc_pid_status
There's a mix of shared libraries from Qt 4.8.4 and 4.8.5 loaded, a condition that can occur during Qt upgrades. It should already have sorted it out itself as soon as the Qt upgrade completed.
*** This bug has been marked as a duplicate of bug 1010086 ***