Application: kdevelop (4.0.1 (using KDevPlatform 1.0.1))
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.32-5-686 i686
Distribution: Debian GNU/Linux testing (squeeze)

-- Information about the crash:
As the title says, I simple switch a tab by clicking at another one.

 -- Backtrace:
Application: KDevelop (kdevelop.bin), signal: Segmentation fault
[Current thread is 1 (Thread 0xb42ea930 (LWP 28642))]

Thread 8 (Thread 0xb0d56b70 (LWP 28643)):
#0  0xb7777424 in __kernel_vsyscall ()
#1  0xb61277b6 in nanosleep () at ../sysdeps/unix/syscall-template.S:82
#2  0xb6155ccc in usleep (useconds=500) at ../sysdeps/unix/sysv/linux/usleep.c:33
#3  0xb52205d2 in KDevelop::DUChainLock::lockForWrite (this=0x8ec9854, timeout=0) at ../../language/duchain/duchainlock.cpp:201
#4  0xb522068e in KDevelop::DUChainWriteLocker::lock (this=0xb0d562bc) at ../../language/duchain/duchainlock.cpp:299
#5  0xb52206ee in DUChainWriteLocker (this=0xb0d562bc, duChainLock=0x8ec9854, timeout=0) at ../../language/duchain/duchainlock.cpp:284
#6  0xb51d800f in KDevelop::DUChainPrivate::doMoreCleanup (this=0x8ec9848, retries=1, needLockRepository=true) at ../../language/duchain/duchain.cpp:705
#7  0xb51d9773 in KDevelop::DUChainPrivate::CleanupThread::run (this=0x8d1ff00) at ../../language/duchain/duchain.cpp:294
#8  0xb6ddffae in QThreadPrivate::start (arg=0x8d1ff00) at thread/qthread_unix.cpp:248
#9  0xb4e8a955 in start_thread (arg=0xb0d56b70) at pthread_create.c:300
#10 0xb615c10e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 7 (Thread 0xafbe3b70 (LWP 28645)):
#0  0xb7777424 in __kernel_vsyscall ()
#1  0xb4e8ef7f in __pthread_cond_wait (cond=0x8f507d8, mutex=0x8f507c0) at pthread_cond_wait.c:153
#2  0xb61690bd in __pthread_cond_wait (cond=0x8f507d8, mutex=0x8f507c0) at forward.c:139
#3  0xb6de0fa7 in QWaitConditionPrivate::wait (this=0x8f447a0, mutex=0x8cad7d0, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x8f447a0, mutex=0x8cad7d0, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb48a3682 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8f44788, th=0x8f32090) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb48a63dc in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8c4f070, th=0x8f32090) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb48a224b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8f44788, th=0x8f32090) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb48a64d2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c4f070, th=0x8f32090) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb48a3be3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8f44788, th=0x8f32090, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb48a64f1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c4f070, th=0x8f32090) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb48a3be3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8f44788, th=0x8f32090, previous=0x8fe0c70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb48a457e in ThreadWeaver::ThreadRunHelper::run (this=0xafbe32f4, parent=0x8f44788, th=0x8f32090) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb48a4c9b in ThreadWeaver::Thread::run (this=0x8f32090) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb6ddffae in QThreadPrivate::start (arg=0x8f32090) at thread/qthread_unix.cpp:248
#15 0xb4e8a955 in start_thread (arg=0xafbe3b70) at pthread_create.c:300
#16 0xb615c10e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 6 (Thread 0xaf3e2b70 (LWP 28648)):
#0  0xb7777424 in __kernel_vsyscall ()
#1  0xb4e8ef7f in __pthread_cond_wait (cond=0x8f507d8, mutex=0x8f507c0) at pthread_cond_wait.c:153
#2  0xb61690bd in __pthread_cond_wait (cond=0x8f507d8, mutex=0x8f507c0) at forward.c:139
#3  0xb6de0fa7 in QWaitConditionPrivate::wait (this=0x8f447a0, mutex=0x8cad7d0, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x8f447a0, mutex=0x8cad7d0, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb48a3682 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8f44788, th=0x8fd3148) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb48a63dc in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8c4f070, th=0x8fd3148) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb48a224b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8f44788, th=0x8fd3148) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb48a64d2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c4f070, th=0x8fd3148) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb48a3be3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8f44788, th=0x8fd3148, previous=0x90bf310) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb48a457e in ThreadWeaver::ThreadRunHelper::run (this=0xaf3e22f4, parent=0x8f44788, th=0x8fd3148) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb48a4c9b in ThreadWeaver::Thread::run (this=0x8fd3148) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb6ddffae in QThreadPrivate::start (arg=0x8fd3148) at thread/qthread_unix.cpp:248
#13 0xb4e8a955 in start_thread (arg=0xaf3e2b70) at pthread_create.c:300
#14 0xb615c10e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xaebe1b70 (LWP 28654)):
#0  0xb7777424 in __kernel_vsyscall ()
#1  0xb4e8ef7f in __pthread_cond_wait (cond=0x8f507d8, mutex=0x8f507c0) at pthread_cond_wait.c:153
#2  0xb61690bd in __pthread_cond_wait (cond=0x8f507d8, mutex=0x8f507c0) at forward.c:139
#3  0xb6de0fa7 in QWaitConditionPrivate::wait (this=0x8f447a0, mutex=0x8cad7d0, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x8f447a0, mutex=0x8cad7d0, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb48a3682 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8f44788, th=0x906ea90) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb48a63dc in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8c4f070, th=0x906ea90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb48a224b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8f44788, th=0x906ea90) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb48a64d2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c4f070, th=0x906ea90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb48a3be3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8f44788, th=0x906ea90, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb48a457e in ThreadWeaver::ThreadRunHelper::run (this=0xaebe12f4, parent=0x8f44788, th=0x906ea90) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb48a4c9b in ThreadWeaver::Thread::run (this=0x906ea90) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb6ddffae in QThreadPrivate::start (arg=0x906ea90) at thread/qthread_unix.cpp:248
#13 0xb4e8a955 in start_thread (arg=0xaebe1b70) at pthread_create.c:300
#14 0xb615c10e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xaca62b70 (LWP 28662)):
#0  0xb4e8ce64 in __pthread_mutex_lock (mutex=0x9157184) at pthread_mutex_lock.c:62
#1  0xb6169286 in pthread_mutex_lock (mutex=0x9157184) at forward.c:182
#2  0xb4de8e91 in ?? () from /lib/libglib-2.0.so.0
#3  0xb4de91b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0xb6f080cf in QEventDispatcherGlib::processEvents (this=0x915d930, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#5  0xb6edab49 in QEventLoop::processEvents (this=0xaca622c0, flags=) at kernel/qeventloop.cpp:149
#6  0xb6edaf9a in QEventLoop::exec (this=0xaca622c0, flags=...) at kernel/qeventloop.cpp:201
#7  0xb6ddd619 in QThread::exec (this=0x91669a8) at thread/qthread.cpp:487
#8  0xb52d1de0 in KDevelop::CompletionWorkerThread::run (this=0x91669a8) at ../../language/codecompletion/codecompletionmodel.cpp:82
#9  0xb6ddffae in QThreadPrivate::start (arg=0x91669a8) at thread/qthread_unix.cpp:248
#10 0xb4e8a955 in start_thread (arg=0xaca62b70) at pthread_create.c:300
#11 0xb615c10e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xaa90fb70 (LWP 28669)):
#0  0xb7777424 in __kernel_vsyscall ()
#1  0xb4e8ef7f in __pthread_cond_wait (cond=0x8d70df8, mutex=0x8d70de0) at pthread_cond_wait.c:153
#2  0xb61690bd in __pthread_cond_wait (cond=0x8d70df8, mutex=0x8d70de0) at forward.c:139
#3  0xb6de0fa7 in QWaitConditionPrivate::wait (this=0x8d73358, mutex=0x8d732f8, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x8d73358, mutex=0x8d732f8, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb48a3682 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8d73340, th=0x9a4e4c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb48a63dc in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8d3d548, th=0x9a4e4c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb48a224b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8d73340, th=0x9a4e4c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb48a64d2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8d3d548, th=0x9a4e4c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb48a3be3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8d73340, th=0x9a4e4c0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb48a64f1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8d3d548, th=0x9a4e4c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb48a3be3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8d73340, th=0x9a4e4c0, previous=0xa3834f0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb48a457e in ThreadWeaver::ThreadRunHelper::run (this=0xaa90f2f4, parent=0x8d73340, th=0x9a4e4c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb48a4c9b in ThreadWeaver::Thread::run (this=0x9a4e4c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb6ddffae in QThreadPrivate::start (arg=0x9a4e4c0) at thread/qthread_unix.cpp:248
#15 0xb4e8a955 in start_thread (arg=0xaa90fb70) at pthread_create.c:300
#16 0xb615c10e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xaa10eb70 (LWP 28670)):
#0  0xb7777424 in __kernel_vsyscall ()
#1  0xb4e8ef7f in __pthread_cond_wait (cond=0x8d70df8, mutex=0x8d70de0) at pthread_cond_wait.c:153
#2  0xb61690bd in __pthread_cond_wait (cond=0x8d70df8, mutex=0x8d70de0) at forward.c:139
#3  0xb6de0fa7 in QWaitConditionPrivate::wait (this=0x8d73358, mutex=0x8d732f8, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x8d73358, mutex=0x8d732f8, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb48a3682 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8d73340, th=0x9be65a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb48a63dc in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8d3d548, th=0x9be65a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb48a224b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8d73340, th=0x9be65a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb48a64d2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8d3d548, th=0x9be65a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb48a3be3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8d73340, th=0x9be65a0, previous=0xa1def30) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb48a457e in ThreadWeaver::ThreadRunHelper::run (this=0xaa10e2f4, parent=0x8d73340, th=0x9be65a0) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb48a4c9b in ThreadWeaver::Thread::run (this=0x9be65a0) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb6ddffae in QThreadPrivate::start (arg=0x9be65a0) at thread/qthread_unix.cpp:248
#13 0xb4e8a955 in start_thread (arg=0xaa10eb70) at pthread_create.c:300
#14 0xb615c10e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb42ea930 (LWP 28642)):
[KCrash Handler]
#6  0x098ca760 in ?? ()
#7  0xb5197379 in KDevelop::DocumentRangeObject::range (this=0xa4f16a08) at ../../language/editor/documentrangeobject.cpp:217
#8  0xb5246354 in declarationUnderCursor (c=..., ctx=0x8fadb70) at ../../language/duchain/duchainutils.cpp:261
#9  0xb52465c8 in KDevelop::DUChainUtils::itemUnderCursor (url=..., c=...) at ../../language/duchain/duchainutils.cpp:286
#10 0xacc4eef4 in ContextBrowserPlugin::findDeclaration (this=0x911e4c0, view=0x97ff9c8, position=..., mouseHighlight=false) at ../../../plugins/contextbrowser/contextbrowser.cpp:557
#11 0xacc5896a in ContextBrowserPlugin::updateBrowserWidgetFor (this=0x911e4c0, view=0x97ff9c8) at ../../../plugins/contextbrowser/contextbrowser.cpp:696
#12 0xacc58e4f in ContextBrowserPlugin::updateViews (this=0x911e4c0) at ../../../plugins/contextbrowser/contextbrowser.cpp:726
#13 0xacc5b30b in ContextBrowserPlugin::qt_metacall (this=0x911e4c0, _c=QMetaObject::InvokeMetaMethod, _id=28, _a=0xbf9f2c2c) at ./contextbrowser.moc:127
#14 0xb6ee180a in QMetaObject::metacall (object=0x911e4c0, cl=2767220544, idx=28, argv=0xbf9f2c2c) at kernel/qmetaobject.cpp:237
#15 0xb6ef01db in QMetaObject::activate (sender=0x912aae0, m=0xb6ff0724, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3295
#16 0xb6f427e7 in QTimer::timeout (this=0x912aae0) at .moc/release-shared/moc_qtimer.cpp:134
#17 0xb6ef80be in QTimer::timerEvent (this=0x912aae0, e=0xbf9f3160) at kernel/qtimer.cpp:271
#18 0xb6eecc84 in QObject::event (this=0x912aae0, e=0xa8f49ca8) at kernel/qobject.cpp:1212
#19 0xb64255cc in QApplicationPrivate::notify_helper (this=0x8c002c0, receiver=0x912aae0, e=0xbf9f3160) at kernel/qapplication.cpp:4302
#20 0xb642c15e in QApplication::notify (this=0xbf9f3578, receiver=0x912aae0, e=0xbf9f3160) at kernel/qapplication.cpp:3706
#21 0xb71d2c5a in KApplication::notify (this=0xbf9f3578, receiver=0x912aae0, event=0xbf9f3160) at ../../kdeui/kernel/kapplication.cpp:302
#22 0xb6edc52b in QCoreApplication::notifyInternal (this=0xbf9f3578, receiver=0x912aae0, event=0xbf9f3160) at kernel/qcoreapplication.cpp:726
#23 0xb6f0b7b6 in QCoreApplication::sendEvent (this=0x8bed534) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QTimerInfoList::activateTimers (this=0x8bed534) at kernel/qeventdispatcher_unix.cpp:603
#25 0xb6f083a4 in timerSourceDispatch (source=0x8bed500) at kernel/qeventdispatcher_glib.cpp:184
#26 0xb4de52f5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#27 0xb4de8fd8 in ?? () from /lib/libglib-2.0.so.0
#28 0xb4de91b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#29 0xb6f08095 in QEventDispatcherGlib::processEvents (this=0x8bbca08, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#30 0xb64e3f45 in QGuiEventDispatcherGlib::processEvents (this=0x8bbca08, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0xb6edab49 in QEventLoop::processEvents (this=0xbf9f3424, flags=) at kernel/qeventloop.cpp:149
#32 0xb6edaf9a in QEventLoop::exec (this=0xbf9f3424, flags=...) at kernel/qeventloop.cpp:201
#33 0xb6ee01cf in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#34 0xb6425667 in QApplication::exec () at kernel/qapplication.cpp:3581
#35 0x080500db in _start ()

Possible duplicates by query: bug 247412, bug 226210.

Reported using DrKonqi