Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.2 "release 511"
Qt Version: 4.8.3
Operating System: Linux 3.5.3-1-desktop x86_64
Distribution: "openSUSE 12.2 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
In System Tray Settings > Display: unchecked Hardware control and clicked apply

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (kdeinit4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6599f69780 (LWP 3640))]

Thread 3 (Thread 0x7f656e493700 (LWP 3644)):
#0  0x00007f65975c413f in poll () from /lib64/libc.so.6
#1  0x00007f659430e684 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f659430e7a4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f6598c11cf6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#4  0x00007f6598be285f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#5  0x00007f6598be2ae8 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#6  0x00007f6598ae4fc0 in QThread::exec() () from /usr/lib64/libQtCore.so.4
#7  0x00007f6598bc2fcf in ?? () from /usr/lib64/libQtCore.so.4
#8  0x00007f6598ae7f9c in ?? () from /usr/lib64/libQtCore.so.4
#9  0x00007f6589c6c734 in ?? () from /usr/lib64/libGL.so.1
#10 0x00007f6598851e0e in start_thread () from /lib64/libpthread.so.0
#11 0x00007f65975cc2bd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f6567fff700 (LWP 3645)):
#0  0x00007f65988558f4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f658d6e4ef7 in ?? () from /usr/lib64/libQtScript.so.4
#2  0x00007f658d6e4f29 in ?? () from /usr/lib64/libQtScript.so.4
#3  0x00007f6589c6c734 in ?? () from /usr/lib64/libGL.so.1
#4  0x00007f6598851e0e in start_thread () from /lib64/libpthread.so.0
#5  0x00007f65975cc2bd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f6599f69780 (LWP 3640)):
[KCrash Handler]
#6  0x00007f6598348d04 in QGraphicsLayoutItem::isLayout (this=0x3a41c30) at graphicsview/qgraphicslayoutitem.cpp:929
#7  0x00007f6598347982 in QGraphicsLayoutPrivate::activateRecursive (this=this@entry=0x19e8cb0, item=0x3a41c30) at graphicsview/qgraphicslayout_p.cpp:181
#8  0x00007f65983479c4 in QGraphicsLayoutPrivate::activateRecursive (this=0x19e8cb0, item=0x1a8b190) at graphicsview/qgraphicslayout_p.cpp:194
#9  0x00007f65983473bb in QGraphicsLayout::activate (this=this@entry=0x1a8b190) at graphicsview/qgraphicslayout.cpp:265
#10 0x00007f6598347481 in QGraphicsLayout::widgetEvent (this=0x1a8b190, e=<optimized out>) at graphicsview/qgraphicslayout.cpp:393
#11 0x00007f6598385a5a in QGraphicsWidget::event (this=0x1a55da0, event=0x1961fa0) at graphicsview/qgraphicswidget.cpp:1385
#12 0x00007f6597d7274c in QApplicationPrivate::notify_helper (this=this@entry=0x16a7730, receiver=receiver@entry=0x1a55da0, e=e@entry=0x1961fa0) at kernel/qapplication.cpp:4557
#13 0x00007f6597d76bca in QApplication::notify (this=0x1649db0, receiver=0x1a55da0, e=0x1961fa0) at kernel/qapplication.cpp:4418
#14 0x00007f659997d616 in KApplication::notify (this=0x1649db0, receiver=0x1a55da0, event=0x1961fa0) at /usr/src/debug/kdelibs-4.9.2/kdeui/kernel/kapplication.cpp:311
#15 0x00007f6598be3b0e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#16 0x00007f6598be7471 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQtCore.so.4
#17 0x00007f6598c11b43 in ?? () from /usr/lib64/libQtCore.so.4
#18 0x00007f659430e3b5 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#19 0x00007f659430e6e8 in ?? () from /usr/lib64/libglib-2.0.so.0
#20 0x00007f659430e7a4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#21 0x00007f6598c11cd6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#22 0x00007f6597e12a5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007f6598be285f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#24 0x00007f6598be2ae8 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#25 0x00007f6598be7788 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#26 0x00007f65854754b5 in kdemain (argc=1, argv=0x15d1780) at /usr/src/debug/kde-workspace-4.9.2/plasma/desktop/shell/main.cpp:120
#27 0x0000000000408932 in launch (argc=argc@entry=1, _name=_name@entry=0x15d2998 "/usr/bin/plasma-desktop", args=args@entry=0x15d29b0 "", cwd=cwd@entry=0x0, envc=envc@entry=0, envs=<optimized out>, envs@entry=0x15d29b8 "", reset_env=false, tty=tty@entry=0x0, avoid_loops=false, startup_id_str=startup_id_str@entry=0x40b1c6 "0") at /usr/src/debug/kdelibs-4.9.2/kinit/kinit.cpp:734
#28 0x00000000004097cb in handle_launcher_request (sock=8, who=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /usr/src/debug/kdelibs-4.9.2/kinit/kinit.cpp:1226
#29 0x0000000000409e10 in handle_requests (waitForPid=waitForPid@entry=0) at /usr/src/debug/kdelibs-4.9.2/kinit/kinit.cpp:1419
#30 0x0000000000405997 in main (argc=4, argv=<optimized out>, envp=0x7fff1fd2b620) at /usr/src/debug/kdelibs-4.9.2/kinit/kinit.cpp:1907

Possible duplicates by query: bug 291450, bug 291386, bug 291348, bug 290277, bug 290183.

Reported using DrKonqi