Bug 313070

Application: kate (3.9.97)
KDE Platform Version: 4.9.97
Qt Version: 4.8.4
Operating System: Linux 3.7.0-1.fdbz57136.fc19.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
Closed a document with CTRL+W

Happens very irregularly, nor clear pattern.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Kate (kdeinit4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f8e54003880 (LWP 21661))]

Thread 3 (Thread 0x7f8e2d4ac700 (LWP 21662)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8e3cd34917 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f8e3d041660 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f8e3cd34949 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f8e52639d15 in start_thread (arg=0x7f8e2d4ac700) at pthread_create.c:308
#4  0x00007f8e50c53c4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f8da9153700 (LWP 21985)):
#0  0x00007ffff41f3847 in clock_gettime ()
#1  0x00007f8e50c6856d in clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f8e5291f684 in do_gettime (frac=0x7f8da9152a28, sec=0x7f8da9152a20) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007f8e529f47dd in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f8d9c002660) at kernel/qeventdispatcher_unix.cpp:354
#5  0x00007f8e529f4b23 in QTimerInfoList::timerWait (this=0x7f8d9c002660, tm=...) at kernel/qeventdispatcher_unix.cpp:461
#6  0x00007f8e529f358c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f8da9152b14) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007f8e529f3635 in timerSourcePrepare (source=<optimized out>, timeout=timeout@entry=0x7f8da9152b14) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007f8e4d39de08 in g_main_context_prepare (context=context@entry=0x7f8d9c0009a0, priority=priority@entry=0x7f8da9152b78) at gmain.c:3055
#9  0x00007f8e4d39e49e in g_main_context_iterate (context=context@entry=0x7f8d9c0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3339
#10 0x00007f8e4d39e6a4 in g_main_context_iteration (context=0x7f8d9c0009a0, may_block=1) at gmain.c:3420
#11 0x00007f8e529f3ed6 in QEventDispatcherGlib::processEvents (this=0x7f8d9c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x00007f8e529c45bf in QEventLoop::processEvents (this=this@entry=0x7f8da9152cd0, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007f8e529c4848 in QEventLoop::exec (this=0x7f8da9152cd0, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007f8e528c6730 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#15 0x00007f8e529a4def in QInotifyFileSystemWatcherEngine::run (this=0x2d74450) at io/qfilesystemwatcher_inotify.cpp:256
#16 0x00007f8e528c970c in QThreadPrivate::start (arg=0x2d74450) at thread/qthread_unix.cpp:338
#17 0x00007f8e52639d15 in start_thread (arg=0x7f8da9153700) at pthread_create.c:308
#18 0x00007f8e50c53c4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f8e54003880 (LWP 21661)):
[KCrash Handler]
#6  QWidget::isAncestorOf (this=0x2fdcf40, child=0x4002db0) at kernel/qwidget.cpp:8273
#7  0x00007f8e51b8dcc1 in QStackedLayout::setCurrentIndex (this=0x1ad36a0, index=9) at kernel/qstackedlayout.cpp:317
#8  0x00007f8e351334a9 in KateViewSpace::showView (this=0x18e71f0, document=<optimized out>) at /usr/src/debug/kate-4.9.97/kate/app/kateviewspace.cpp:177
#9  0x00007f8e3512d3cb in KateViewManager::deleteView (this=this@entry=0x1a90da0, view=0x4002db0, view@entry=0x284b240, delViewSpace=delViewSpace@entry=true) at /usr/src/debug/kate-4.9.97/kate/app/kateviewmanager.cpp:432
#10 0x00007f8e3512d5c8 in KateViewManager::closeViews (this=0x1a90da0, doc=0x4f3a090) at /usr/src/debug/kate-4.9.97/kate/app/kateviewmanager.cpp:671
#11 0x00007f8e3511e2f6 in KateDocManager::closeDocument (this=0x182ae30, doc=0x4002db0, closeUrl=true) at /usr/src/debug/kate-4.9.97/kate/app/katedocmanager.cpp:301
#12 0x00007f8e3512b868 in KateViewManager::slotDocumentClose (this=<optimized out>, document=0x4f3a090) at /usr/src/debug/kate-4.9.97/kate/app/kateviewmanager.cpp:272
#13 0x00007f8e529dac9f in QMetaObject::activate (sender=0x1adb6d0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffff41c50c0) at kernel/qobject.cpp:3539
#14 0x00007f8e51b54232 in QAction::triggered (this=this@entry=0x1adb6d0, _t1=false) at .moc/release-shared/moc_qaction.cpp:276
#15 0x00007f8e51b54420 in QAction::activate (this=0x1adb6d0, event=event@entry=QAction::Trigger) at kernel/qaction.cpp:1257
#16 0x00007f8e51b54587 in QAction::event (this=<optimized out>, e=<optimized out>) at kernel/qaction.cpp:1183
#17 0x00007f8e53918727 in KAction::event (this=<optimized out>, event=0x7ffff41c5660) at /usr/src/debug/kdelibs-4.9.97/kdeui/actions/kaction.cpp:131
#18 0x00007f8e51b5a3ec in QApplicationPrivate::notify_helper (this=this@entry=0x1655960, receiver=receiver@entry=0x1adb6d0, e=e@entry=0x7ffff41c5660) at kernel/qapplication.cpp:4562
#19 0x00007f8e51b5e86a in QApplication::notify (this=0x7ffff41c6e80, receiver=0x1adb6d0, e=0x7ffff41c5660) at kernel/qapplication.cpp:4423
#20 0x00007f8e539f1de6 in KApplication::notify (this=0x7ffff41c6e80, receiver=0x1adb6d0, event=0x7ffff41c5660) at /usr/src/debug/kdelibs-4.9.97/kdeui/kernel/kapplication.cpp:311
#21 0x00007f8e529c586e in QCoreApplication::notifyInternal (this=0x7ffff41c6e80, receiver=0x1adb6d0, event=0x7ffff41c5660) at kernel/qcoreapplication.cpp:946
#22 0x00007f8e51b8b0a4 in sendEvent (event=0x7ffff41c5660, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:231
#23 QShortcutMap::dispatchEvent (this=this@entry=0x1655a80, e=e@entry=0x7ffff41c5c30) at kernel/qshortcutmap.cpp:884
#24 0x00007f8e51b8c6d3 in QShortcutMap::tryShortcutEvent (this=0x1655a80, o=<optimized out>, e=0x7ffff41c5c30) at kernel/qshortcutmap.cpp:364
#25 0x00007f8e51b60549 in QApplication::notify (this=0x7ffff41c6e80, receiver=0x284af90, e=0x7ffff41c5c30) at kernel/qapplication.cpp:3986
#26 0x00007f8e539f1de6 in KApplication::notify (this=0x7ffff41c6e80, receiver=0x284af90, event=0x7ffff41c5c30) at /usr/src/debug/kdelibs-4.9.97/kdeui/kernel/kapplication.cpp:311
#27 0x00007f8e529c586e in QCoreApplication::notifyInternal (this=0x7ffff41c6e80, receiver=0x284af90, event=0x7ffff41c5c30) at kernel/qcoreapplication.cpp:946
#28 0x00007f8e51bf67ba in QKeyMapper::sendKeyEvent (keyWidget=keyWidget@entry=0x284af90, grab=grab@entry=false, type=QEvent::KeyPress, code=87, modifiers=..., text=..., autorepeat=autorepeat@entry=false, count=1, nativeScanCode=25, nativeVirtualKey=119, nativeModifiers=4) at kernel/qkeymapper_x11.cpp:1866
#29 0x00007f8e51bf6bf1 in QKeyMapperPrivate::translateKeyEvent (this=0x1684250, keyWidget=0x284af90, event=0x7ffff41c6650, grab=false) at kernel/qkeymapper_x11.cpp:1836
#30 0x00007f8e51bd44f8 in QApplication::x11ProcessEvent (this=0x7ffff41c6e80, event=0x7ffff41c6650) at kernel/qapplication_x11.cpp:3553
#31 0x00007f8e51bfa87c in x11EventSourceDispatch (s=s@entry=0x1653410, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#32 0x00007f8e4d39e2a5 in g_main_dispatch (context=0x1655af0) at gmain.c:2784
#33 g_main_context_dispatch (context=context@entry=0x1655af0) at gmain.c:3288
#34 0x00007f8e4d39e5e8 in g_main_context_iterate (context=context@entry=0x1655af0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3359
#35 0x00007f8e4d39e6a4 in g_main_context_iteration (context=0x1655af0, may_block=1) at gmain.c:3420
#36 0x00007f8e529f3eb6 in QEventDispatcherGlib::processEvents (this=0x1655750, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#37 0x00007f8e51bfa55e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#38 0x00007f8e529c45bf in QEventLoop::processEvents (this=this@entry=0x7ffff41c6a20, flags=...) at kernel/qeventloop.cpp:149
#39 0x00007f8e529c4848 in QEventLoop::exec (this=0x7ffff41c6a20, flags=...) at kernel/qeventloop.cpp:204
#40 0x00007f8e529c9638 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#41 0x00007f8e3538ce6d in kdemain (argc=3, argv=<optimized out>) at /usr/src/debug/kate-4.9.97/kate/app/katemain.cpp:380
#42 0x000000000040822a in launch (argc=argc@entry=3, _name=_name@entry=0x15d5d88 "/usr/bin/kate", args=0x15d5dcf "\001", args@entry=0x15d5d96 "-b", cwd=cwd@entry=0x0, envc=envc@entry=1, envs=<optimized out>, envs@entry=0x15d5dd7 "DISPLAY=:0", reset_env=false, tty=tty@entry=0x0, avoid_loops=false, startup_id_str=startup_id_str@entry=0x15d5dea "PC4;1357832115;977876;2499_TIME32459764") at /usr/src/debug/kdelibs-4.9.97/kinit/kinit.cpp:726
#43 0x00000000004090bb in handle_launcher_request (sock=8, who=<optimized out>) at /usr/src/debug/kdelibs-4.9.97/kinit/kinit.cpp:1218
#44 0x0000000000409700 in handle_requests (waitForPid=waitForPid@entry=0) at /usr/src/debug/kdelibs-4.9.97/kinit/kinit.cpp:1411
#45 0x0000000000405307 in main (argc=4, argv=<optimized out>, envp=0x7ffff41c7cc0) at /usr/src/debug/kdelibs-4.9.97/kinit/kinit.cpp:1899

Reported using DrKonqi