Application: kdevelop (4.5.2)
KDE Platform Version: 4.11.97
Qt Version: 4.8.4
Operating System: Linux 3.11.0-12-generic x86_64
Distribution: Ubuntu Trusty Tahr (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
Trying to exit one of the sessions that I had open in KDevelop

- Unusual behavior I noticed:
KDevelop crashed as soon as I closed a particular session

- Custom settings of the application:

-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
gobject.py: gdb was not built with custom backtrace support, disabling.
[Current thread is 1 (Thread 0x7f1b54f0e7c0 (LWP 8550))]

Thread 10 (Thread 0x7f1b38371700 (LWP 8551)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f1b52c50a03 in _q_futex (val2=0, addr2=0x0, timeout=0x0, val=2, op=0, addr=0x7f1b300013c0) at thread/qmutex_unix.cpp:99
#2  QMutexPrivate::wait (this=this@entry=0x7f1b300013c0, timeout=timeout@entry=-1) at thread/qmutex_unix.cpp:113
#3  0x00007f1b52c4d03d in QMutex::lock (this=<optimized out>) at thread/qmutex.cpp:164
#4  0x00007f1b4eb0193b in QMutexLocker (m=0x7f1b4ee7e938 <KDevelop::DUChainPrivate::cleanupMutex()::mutex>, this=<synthetic pointer>) at /usr/include/qt4/QtCore/qmutex.h:109
#5  KDevelop::DUChainPrivate::doMoreCleanup (this=0x22d4c70, retries=retries@entry=1, needLockRepository=needLockRepository@entry=true) at ../../language/duchain/duchain.cpp:695
#6  0x00007f1b4eb02b0d in KDevelop::DUChainPrivate::CleanupThread::run (this=0x22dd5c0) at ../../language/duchain/duchain.cpp:291
#7  0x00007f1b52c51f2f in QThreadPrivate::start (arg=0x22dd5c0) at thread/qthread_unix.cpp:338
#8  0x00007f1b50a35f6e in start_thread (arg=0x7f1b38371700) at pthread_create.c:311
#9  0x00007f1b519539cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 9 (Thread 0x7f1b258cb700 (LWP 8554)):
#0  0x00007f1b4bd269aa in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1b4bd26c59 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1b4bce633b in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1b4bce6a12 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1b4bce6bac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1b52d7ea76 in QEventDispatcherGlib::processEvents (this=0x7f1b200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f1b52d505ef in QEventLoop::processEvents (this=this@entry=0x7f1b258cad70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f1b52d508e5 in QEventLoop::exec (this=this@entry=0x7f1b258cad70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f1b52c4f88f in QThread::exec (this=this@entry=0x30c0570) at thread/qthread.cpp:542
#9  0x00007f1b52d31d13 in QInotifyFileSystemWatcherEngine::run (this=0x30c0570) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f1b52c51f2f in QThreadPrivate::start (arg=0x30c0570) at thread/qthread_unix.cpp:338
#11 0x00007f1b50a35f6e in start_thread (arg=0x7f1b258cb700) at pthread_create.c:311
#12 0x00007f1b519539cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 8 (Thread 0x7f1b1effd700 (LWP 8564)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1b4de7506b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f1b4de750a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f1b50a35f6e in start_thread (arg=0x7f1b1effd700) at pthread_create.c:311
#4  0x00007f1b519539cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7f1b16cbe700 (LWP 8591)):
#0  0x00007f1b52d7e975 in postEventSourcePrepare (s=0x7f1a84113640, timeout=0x7f1b16cbdbb4) at kernel/qeventdispatcher_glib.cpp:255
#1  0x00007f1b4bce614d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1b4bce69c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1b4bce6bac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1b52d7ea76 in QEventDispatcherGlib::processEvents (this=0x7f1a841bc640, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f1b52d505ef in QEventLoop::processEvents (this=this@entry=0x7f1b16cbdd70, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f1b52d508e5 in QEventLoop::exec (this=this@entry=0x7f1b16cbdd70, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f1b52c4f88f in QThread::exec (this=this@entry=0x5a1d6b0) at thread/qthread.cpp:542
#8  0x00007f1b52d31d13 in QInotifyFileSystemWatcherEngine::run (this=0x5a1d6b0) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f1b52c51f2f in QThreadPrivate::start (arg=0x5a1d6b0) at thread/qthread_unix.cpp:338
#10 0x00007f1b50a35f6e in start_thread (arg=0x7f1b16cbe700) at pthread_create.c:311
#11 0x00007f1b519539cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7f1b15cbc700 (LWP 8705)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1b488481cd in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f1b48848209 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f1b50a35f6e in start_thread (arg=0x7f1b15cbc700) at pthread_create.c:311
#4  0x00007f1b519539cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f1b153bb700 (LWP 8706)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1b48588bbd in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f1b48877a76 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f1b50a35f6e in start_thread (arg=0x7f1b153bb700) at pthread_create.c:311
#4  0x00007f1b519539cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f1a43ffd700 (LWP 8711)):
#0  0x00007f1b50a38055 in __GI___pthread_mutex_lock (mutex=0x7f1a34000a60) at pthread_mutex_lock.c:95
#1  0x00007f1b4bd26c61 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1b4bce5bf0 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1b4bce6965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1b4bce6bac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1b52d7ea76 in QEventDispatcherGlib::processEvents (this=0x7f1a340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f1b52d505ef in QEventLoop::processEvents (this=this@entry=0x7f1a43ffcdb0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f1b52d508e5 in QEventLoop::exec (this=this@entry=0x7f1a43ffcdb0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f1b52c4f88f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f1b52c51f2f in QThreadPrivate::start (arg=0x398fde0) at thread/qthread_unix.cpp:338
#10 0x00007f1b50a35f6e in start_thread (arg=0x7f1a43ffd700) at pthread_create.c:311
#11 0x00007f1b519539cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f1a41baf700 (LWP 8948)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1b52c52406 in wait (time=18446744073709551615, this=0x13a8140) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x13a6c18, mutex=0x13a7040, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f1b4959de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x13a6bf0, th=0x67edc00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f1b495a0903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x13a6dc0, th=0x67edc00, previous=0x6632250) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f1b4959f61f in ThreadWeaver::Thread::run (this=0x67edc00) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f1b52c51f2f in QThreadPrivate::start (arg=0x67edc00) at thread/qthread_unix.cpp:338
#7  0x00007f1b50a35f6e in start_thread (arg=0x7f1a41baf700) at pthread_create.c:311
#8  0x00007f1b519539cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f1a413ae700 (LWP 8949)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1b52c52406 in wait (time=18446744073709551615, this=0x13a8140) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x13a6c18, mutex=0x13a7040, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f1b4959de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x13a6bf0, th=0x7f1a30002a00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f1b495a0903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x13a6dc0, th=0x7f1a30002a00, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f1b495a091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x13a6dc0, th=0x7f1a30002a00, previous=0x66cca70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f1b4959f61f in ThreadWeaver::Thread::run (this=0x7f1a30002a00) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f1b52c51f2f in QThreadPrivate::start (arg=0x7f1a30002a00) at thread/qthread_unix.cpp:338
#8  0x00007f1b50a35f6e in start_thread (arg=0x7f1a413ae700) at pthread_create.c:311
#9  0x00007f1b519539cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f1b54f0e7c0 (LWP 8550)):
[KCrash Handler]
#6  makeDataPrivate (this=<optimized out>) at ../../language/duchain/repositories/itemrepository.h:1061
#7  prepareChange (this=<optimized out>) at ../../language/duchain/repositories/itemrepository.h:1007
#8  dynamicItemFromIndexSimple (index=<optimized out>, this=<optimized out>) at ../../language/duchain/repositories/itemrepository.h:1820
#9  KDevelop::IndexedQualifiedIdentifier::~IndexedQualifiedIdentifier (this=0x4e6f130, __in_chrg=<optimized out>) at ../../language/duchain/identifier.cpp:1250
#10 0x00007f1b2496336e in ~Indirect (this=0x7f1a3065529c, __in_chrg=<optimized out>) at /usr/include/kdevplatform/language/duchain/types/../declarationid.h:172
#11 ~DeclarationId (this=0x7f1a3065529c, __in_chrg=<optimized out>) at /usr/include/kdevplatform/language/duchain/types/../declarationid.h:54
#12 ~IdentifiedTypeData (this=0x7f1a3065529c, __in_chrg=<optimized out>) at /usr/include/kdevplatform/language/duchain/types/identifiedtype.h:39
#13 ~Data (this=0x7f1a30655280, __in_chrg=<optimized out>) at /usr/include/kdevplatform/language/duchain/types/identifiedtype.h:139
#14 ~StructureTypeData (this=0x7f1a30655280, __in_chrg=<optimized out>) at /usr/include/kdevplatform/language/duchain/types/typesystemdata.h:175
#15 ~CppClassTypeData (this=0x7f1a30655280, __in_chrg=<optimized out>) at ../../../../languages/cpp/cppduchain/cpptypes.h:67
#16 KDevelop::TypeFactory<CppClassType, CppClassTypeData>::callDestructor (this=<optimized out>, data=0x7f1a30655280) at /usr/include/kdevplatform/language/duchain/types/typeregister.h:110
#17 0x00007f1b4ebbb541 in destroy (item=0x7f1a30655280) at ../../language/duchain/repositories/typerepository.cpp:68
#18 deleteItem<KDevelop::ItemRepository<KDevelop::AbstractTypeData, KDevelop::AbstractTypeDataRequest> > (repository=..., hash=<optimized out>, index=<optimized out>, this=0x7f1a30602ac0) at ../../language/duchain/repositories/itemrepository.h:813
#19 finalCleanup<KDevelop::ItemRepository<KDevelop::AbstractTypeData, KDevelop::AbstractTypeDataRequest> > (repository=..., this=<optimized out>) at ../../language/duchain/repositories/itemrepository.h:926
#20 KDevelop::ItemRepository<KDevelop::AbstractTypeData, KDevelop::AbstractTypeDataRequest, true, true, 0u, 1048576u>::finalCleanup (this=<optimized out>) at ../../language/duchain/repositories/itemrepository.h:2505
#21 0x00007f1b4ebb443b in KDevelop::ItemRepositoryRegistry::finalCleanup (this=<optimized out>) at ../../language/duchain/repositories/itemrepository.cpp:386
#22 0x00007f1b4eaee970 in KDevelop::DUChain::finalCleanup (this=this@entry=0x22d12f0) at ../../language/duchain/duchain.cpp:1730
#23 0x00007f1b4eaeebe9 in KDevelop::DUChain::aboutToQuit (this=0x22d12f0) at ../../language/duchain/duchain.cpp:1612
#24 0x00007f1b4eaf0005 in KDevelop::DUChain::qt_static_metacall (_o=0x22d12f0, _id=144, _a=0x7fff89aa2060, _c=<optimized out>) at ./duchain.moc:146
#25 0x00007f1b52d65a58 in QMetaObject::activate (sender=0x7fff89aa2280, m=m@entry=0x7f1b530b4860 <QCoreApplication::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#26 0x00007f1b52daff40 in QCoreApplication::aboutToQuit (this=<optimized out>) at .moc/release-shared/moc_qcoreapplication.cpp:145
#27 0x00007f1b52d55eb5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1223
#28 0x00007f1b520ed34c in QApplication::exec () at kernel/qapplication.cpp:3828
#29 0x000000000040e6f9 in main (argc=<optimized out>, argv=<optimized out>) at ../../app/main.cpp:522

Possible duplicates by query: bug 305113, bug 299556, bug 297646, bug 291347.

Reported using DrKonqi