Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
I'm using Kubuntu 11.10, and the desktop is crashing regularly, probably once per day.

- What I was doing when the application crashed:

Mostly just using emacs and KDE terminal.

- Unusual behavior I noticed:

xorg process is leaking memory, losing maybe 1 GB per 4 hours.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f5e92eac7a0 (LWP 1806))]

Thread 4 (Thread 0x7f5e7088f700 (LWP 1807)):
#0  0x00007f5e9277c773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5e86d09f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5e86d0a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5e8f970f3e in QEventDispatcherGlib::processEvents (this=0x1e32420, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5e8f944cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5e8f944ef7 in QEventLoop::exec (this=0x7f5e7088edb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f5e8f85c27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f5e8f927cbf in QInotifyFileSystemWatcherEngine::run (this=0x1e2f870) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5e8f85ed05 in QThreadPrivate::start (arg=0x1e2f870) at thread/qthread_unix.cpp:331
#9  0x00007f5e87816efc in start_thread (arg=0x7f5e7088f700) at pthread_create.c:304
#10 0x00007f5e9278889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f5e6df2d700 (LWP 1808)):
#0  0x00007f5e9277c773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5e86d09f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5e86d0a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5e8f970f3e in QEventDispatcherGlib::processEvents (this=0x1986d60, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5e8f944cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5e8f944ef7 in QEventLoop::exec (this=0x7f5e6df2cdb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f5e8f85c27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f5e8f927cbf in QInotifyFileSystemWatcherEngine::run (this=0x19cb570) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5e8f85ed05 in QThreadPrivate::start (arg=0x19cb570) at thread/qthread_unix.cpp:331
#9  0x00007f5e87816efc in start_thread (arg=0x7f5e6df2d700) at pthread_create.c:304
#10 0x00007f5e9278889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5e66c59700 (LWP 1814)):
#0  0x00007f5e9277c773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5e86d09f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5e86d0a792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5e67737516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f5e86d2f2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5e87816efc in start_thread (arg=0x7f5e66c59700) at pthread_create.c:304
#6  0x00007f5e9278889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5e92eac7a0 (LWP 1806)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f5e8f958714 in QObject::disconnect (sender=0x22a6e30, signal=0x0, receiver=0x235fd90, method=0x0) at kernel/qobject.cpp:2728
#8  0x00007f5e6623f971 in InterfaceItem::currentConnectionChanged (this=0x235fd90) at ../../applet/interfaceitem.cpp:330
#9  0x00007f5e6623fc56 in InterfaceItem::connectionStateChanged (this=0x235fd90, state=Solid::Control::NetworkInterfaceNm09::Unavailable) at ../../applet/interfaceitem.cpp:442
#10 0x00007f5e66232cf1 in InterfaceItem::qt_metacall (this=0x235fd90, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff1f94abe0) at moc_interfaceitem.cpp:122
#11 0x00007f5e8f958eba in QMetaObject::activate (sender=0x222cfe0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff1f94abe0) at kernel/qobject.cpp:3278
#12 0x00007f5e65712f8d in Solid::Control::NetworkInterfaceNm09::connectionStateChanged (this=<optimized out>, _t1=20, _t2=100, _t3=40) at ./networkinterface.moc:167
#13 0x00007f5e65713000 in Solid::Control::NetworkInterfaceNm09::qt_metacall (this=0x222cfe0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff1f94ad30) at ./networkinterface.moc:135
#14 0x00007f5e65714a90 in Solid::Control::WiredNetworkInterfaceNm09::qt_metacall (this=0x222cfe0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff1f94ad30) at ./wirednetworkinterface.moc:74
#15 0x00007f5e8f958eba in QMetaObject::activate (sender=0x22356c0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff1f94ad30) at kernel/qobject.cpp:3278
#16 0x00007f5e64b8289d in NMNetworkInterface::connectionStateChanged (this=<optimized out>, _t1=20, _t2=100, _t3=40) at ./networkinterface.moc:190
#17 0x00007f5e64b83b8e in NMNetworkInterface::qt_metacall (this=0x22356c0, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7fff1f94af50) at ./networkinterface.moc:124
#18 0x00007f5e64b870f5 in NMWiredNetworkInterface::qt_metacall (this=0x22356c0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff1f94af50) at ./wirednetworkinterface.moc:87
#19 0x00007f5e8f958eba in QMetaObject::activate (sender=0x2236298, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff1f94af50) at kernel/qobject.cpp:3278
#20 0x00007f5e64b8f90a in OrgFreedesktopNetworkManagerDeviceInterface::StateChanged (this=<optimized out>, _t1=20, _t2=100, _t3=40) at ./nm-deviceinterface.moc:149
#21 0x00007f5e64b8f973 in OrgFreedesktopNetworkManagerDeviceInterface::qt_metacall (this=0x2236298, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff1f94b2f0) at ./nm-deviceinterface.moc:99
#22 0x00007f5e8fc9d0e9 in QDBusConnectionPrivate::deliverCall (this=0x15b1ea0, object=0x2236298, msg=..., metaTypes=..., slotIdx=5) at qdbusintegrator.cpp:942
#23 0x00007f5e8fca638f in QDBusCallDeliveryEvent::placeMetaCall (this=<optimized out>, object=<optimized out>) at qdbusintegrator_p.h:103
#24 0x00007f5e8f95ca5e in QObject::event (this=0x2236298, e=<optimized out>) at kernel/qobject.cpp:1217
#25 0x00007f5e8ecf6424 in notify_helper (e=0x267f1d0, receiver=0x2236298, this=0x14a93c0) at kernel/qapplication.cpp:4486
#26 QApplicationPrivate::notify_helper (this=0x14a93c0, receiver=0x2236298, e=0x267f1d0) at kernel/qapplication.cpp:4458
#27 0x00007f5e8ecfb291 in QApplication::notify (this=0x1492110, receiver=0x2236298, e=0x267f1d0) at kernel/qapplication.cpp:4365
#28 0x00007f5e905f41e6 in KApplication::notify (this=0x1492110, receiver=0x2236298, event=0x267f1d0) at ../../kdeui/kernel/kapplication.cpp:311
#29 0x00007f5e8f945afc in QCoreApplication::notifyInternal (this=0x1492110, receiver=0x2236298, event=0x267f1d0) at kernel/qcoreapplication.cpp:787
#30 0x00007f5e8f94951f in sendEvent (event=0x267f1d0, receiver=0x2236298) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#31 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x143d430) at kernel/qcoreapplication.cpp:1428
#32 0x00007f5e8f970a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#33 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#34 0x00007f5e86d09a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f5e86d0a258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f5e86d0a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f5e8f970ed6 in QEventDispatcherGlib::processEvents (this=0x143ef40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007f5e8ed9e07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007f5e8f944cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007f5e8f944ef7 in QEventLoop::exec (this=0x7fff1f94bb10, flags=...) at kernel/qeventloop.cpp:201
#41 0x00007f5e8f949789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#42 0x00007f5e92a871a3 in kdemain (argc=1, argv=0x7fff1f94bef8) at ../../../../plasma/desktop/shell/main.cpp:120
#43 0x00007f5e926c830d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff1f94bef8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff1f94bee8) at libc-start.c:226
#44 0x0000000000400671 in _start ()

Possible duplicates by query: bug 281282, bug 281074, bug 278160, bug 277037, bug 274183.

Reported using DrKonqi