Upgrading KDE to 4.12 did not help. Every program I run crashes KDE. I cannot find even one that will run without a crash.
Here’s the backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library “/lib/x86_64-linux-gnu/libthread_db.so.1”.
[Current thread is 1 (Thread 0x7f0d3f8b87c0 (LWP 2121))]
Thread 4 (Thread 0x7f0d099d2700 (LWP 2345)):
#0 __GI___pthread_mutex_lock (mutex=0x7f0d04000a90) at pthread_mutex_lock.c:90
#1 0x00007f0d325433a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f0d3250368a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f0d325037ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f0d3bd6fa76 in QEventDispatcherGlib::processEvents (this=0x7f0d040008f0, flags=…) at kernel/qeventdispatcher_glib.cpp:426
#5 0x00007f0d3bd415ef in QEventLoop::processEvents (this=this@entry=0x7f0d099d1cb0, flags=…) at kernel/qeventloop.cpp:149
#6 0x00007f0d3bd418e5 in QEventLoop::exec (this=this@entry=0x7f0d099d1cb0, flags=…) at kernel/qeventloop.cpp:204
#7 0x00007f0d3bc4088f in QThread::exec (this=this@entry=0xade270) at thread/qthread.cpp:542
#8 0x00007f0d3bd22d13 in QInotifyFileSystemWatcherEngine::run (this=0xade270) at io/qfilesystemwatcher_inotify.cpp:265
#9 0x00007f0d3bc42f2f in QThreadPrivate::start (arg=0xade270) at thread/qthread_unix.cpp:338
#10 0x00007f0d2fc85764 in ?? () from /usr/lib/nvidia-304-updates/libGL.so.1
#11 0x00007f0d32c0df6e in start_thread (arg=0x7f0d099d2700) at pthread_create.c:311
#12 0x00007f0d3f1a29cd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 3 (Thread 0x7f0d091d1700 (LWP 2346)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at …/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f0d3855606b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2 0x00007f0d385560a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3 0x00007f0d2fc85764 in ?? () from /usr/lib/nvidia-304-updates/libGL.so.1
#4 0x00007f0d32c0df6e in start_thread (arg=0x7f0d091d1700) at pthread_create.c:311
#5 0x00007f0d3f1a29cd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 2 (Thread 0x7f0c7bfff700 (LWP 2349)):
#0 0x00007f0d3f195f7d in poll () at …/sysdeps/unix/syscall-template.S:81
#1 0x00007f0d325036a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f0d325037ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f0d3bd6fa76 in QEventDispatcherGlib::processEvents (this=0x7f0c740008f0, flags=…) at kernel/qeventdispatcher_glib.cpp:426
#4 0x00007f0d3bd415ef in QEventLoop::processEvents (this=this@entry=0x7f0c7bffecb0, flags=…) at kernel/qeventloop.cpp:149
#5 0x00007f0d3bd418e5 in QEventLoop::exec (this=this@entry=0x7f0c7bffecb0, flags=…) at kernel/qeventloop.cpp:204
#6 0x00007f0d3bc4088f in QThread::exec (this=this@entry=0x2f86d50) at thread/qthread.cpp:542
#7 0x00007f0d3bd22d13 in QInotifyFileSystemWatcherEngine::run (this=0x2f86d50) at io/qfilesystemwatcher_inotify.cpp:265
#8 0x00007f0d3bc42f2f in QThreadPrivate::start (arg=0x2f86d50) at thread/qthread_unix.cpp:338
#9 0x00007f0d2fc85764 in ?? () from /usr/lib/nvidia-304-updates/libGL.so.1
#10 0x00007f0d32c0df6e in start_thread (arg=0x7f0c7bfff700) at pthread_create.c:311
#11 0x00007f0d3f1a29cd in clone () at …/sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 1 (Thread 0x7f0d3f8b87c0 (LWP 2121)):
[KCrash Handler]
#6 QHash<unsigned long, QHashDummyValue>::findNode (this=this@entry=0x38, ahp=ahp@entry=0x0, akey=) at /usr/include/qt4/QtCore/qhash.h:884
#7 0x00007f0d1c487180 in contains (akey=, this=0x38) at /usr/include/qt4/QtCore/qhash.h:874
#8 contains (value=, this=0x38) at /usr/include/qt4/QtCore/qset.h:91
#9 TaskManager::Startup::matchesWindow (this=, window=) at /build/buildd/expanding-icons-taskmanager-0.0+git20140116+r28~063a797+1~ubuntu13.10.1/libs/taskmanager/startup.cpp:114
#10 0x00007f0d1c47ccf3 in TaskManager::GroupManagerPrivate::addTask (this=0x23872c0, task=0x6cd5e60) at /build/buildd/expanding-icons-taskmanager-0.0+git20140116+r28~063a797+1~ubuntu13.10.1/libs/taskmanager/groupmanager.cpp:354
#11 0x00007f0d1c480f35 in TaskManager::GroupManager::qt_static_metacall (_o=0x38, _id=79691982, _a=0x0, _c=) at /build/buildd/expanding-icons-taskmanager-0.0+git20140116+r28~063a797+1~ubuntu13.10.1/obj-x86_64-linux-gnu/libs/taskmanager/groupmanager.moc:94
#12 0x00007f0d3bd56a58 in QMetaObject::activate (sender=sender@entry=0x2b77140, m=m@entry=0x7f0d1c6c14e0 TaskManager::TaskManager::staticMetaObject, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff93264320) at kernel/qobject.cpp:3539
#13 0x00007f0d1c49fe5f in TaskManager::TaskManager::taskAdded (this=this@entry=0x2b77140, _t1=_t1@entry=0x6cd5e60) at /build/buildd/expanding-icons-taskmanager-0.0+git20140116+r28~063a797+1~ubuntu13.10.1/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:187
#14 0x00007f0d1c4a0b2f in TaskManager::TaskManager::windowAdded (this=0x2b77140, w=79691982) at /build/buildd/expanding-icons-taskmanager-0.0+git20140116+r28~063a797+1~ubuntu13.10.1/libs/taskmanager/taskmanager.cpp:297
#15 0x00007f0d1c4a229c in TaskManager::TaskManager::qt_static_metacall (_o=0x38, _id=79691982, _a=0x0, _c=) at /build/buildd/expanding-icons-taskmanager-0.0+git20140116+r28~063a797+1~ubuntu13.10.1/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:103
#16 0x00007f0d3bd56a58 in QMetaObject::activate (sender=sender@entry=0xc29d60, m=m@entry=0x7f0d3ce212a0 KWindowSystem::staticMetaObject, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff93264540) at kernel/qobject.cpp:3539
#17 0x00007f0d3cb27592 in KWindowSystem::windowAdded (this=this@entry=0xc29d60, _t1=79691982) at ./kwindowsystem.moc:143
#18 0x00007f0d3cb28a7a in KWindowSystemPrivate::addClient (this=0xc45a80, w=79691982) at …/…/kdeui/windowmanagement/kwindowsystem_x11.cpp:287
#19 0x00007f0d3cb37553 in NETRootInfo::update (this=this@entry=0xc45aa8, dirty_props=dirty_props@entry=0x7fff93264700) at …/…/kdeui/windowmanagement/netwm.cpp:2227
#20 0x00007f0d3cb3896b in NETRootInfo::event (this=this@entry=0xc45aa8, event=event@entry=0x7fff93264870, properties=properties@entry=0x7fff93264780, properties_size=properties_size@entry=5) at …/…/kdeui/windowmanagement/netwm.cpp:2099
#21 0x00007f0d3cb2873b in KWindowSystemPrivate::x11Event (this=0xc45a80, ev=0x7fff93264870) at …/…/kdeui/windowmanagement/kwindowsystem_x11.cpp:190
#22 0x00007f0d3ca2ce98 in publicX11Event (e=0x7fff93264870, this=) at …/…/kdeui/kernel/ksystemeventfilter.cpp:43
#23 KSystemEventFilterPrivate::filterEvent (this=0xc64400, message=0x7fff93264870) at …/…/kdeui/kernel/ksystemeventfilter.cpp:102
#24 0x00007f0d3bd3485e in QAbstractEventDispatcher::filterEvent (this=0x38, message=0x4c000ce, message@entry=0x7fff93264870) at kernel/qabstracteventdispatcher.cpp:539
#25 0x00007f0d3b181850 in x11EventSourceDispatch (s=0xa7b0a0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#26 0x00007f0d325033b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f0d32503708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f0d325037ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f0d3bd6fa55 in QEventDispatcherGlib::processEvents (this=0x95ead0, flags=…) at kernel/qeventdispatcher_glib.cpp:424
#30 0x00007f0d3b1819d6 in QGuiEventDispatcherGlib::processEvents (this=, flags=…) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x00007f0d3bd415ef in QEventLoop::processEvents (this=this@entry=0x7fff93264c50, flags=…) at kernel/qeventloop.cpp:149
#32 0x00007f0d3bd418e5 in QEventLoop::exec (this=this@entry=0x7fff93264c50, flags=…) at kernel/qeventloop.cpp:204
#33 0x00007f0d3bd46e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#34 0x00007f0d3b0de34c in QApplication::exec () at kernel/qapplication.cpp:3828
#35 0x00007f0d3f4ac28c in kdemain (argc=1, argv=0x7fff93264ea8) at …/…/…/…/plasma/desktop/shell/main.cpp:126
#36 0x00007f0d3f0c9de5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fff93264ea8, init=, fini=, rtld_fini=, stack_end=0x7fff93264e98) at libc-start.c:260
#37 0x000000000040070e in _start ()