Bug 311089

It seems that krunner often crashes on me if I press alt+f2, type in the name of the application and press enter before krunner is even able to bring up any search results..


Application: Run Command Interface (krunner), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1ccb950 (LWP 4303))]

Thread 6 (Thread 0xaf637b70 (LWP 4329)):
#0  __libc_enable_asynccancel () at ../nptl/cancellation.c:44
#1  0xb7677471 in read () at ../sysdeps/unix/syscall-template.S:82
#2  0xb305fc2e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb3020522 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb3020982 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb3020b51 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb5ccd85f in QEventDispatcherGlib::processEvents (this=0x987e510, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb5c9a02c in QEventLoop::processEvents (this=this@entry=0xaf637298, flags=...) at kernel/qeventloop.cpp:149
#8  0xb5c9a321 in QEventLoop::exec (this=0xaf637298, flags=...) at kernel/qeventloop.cpp:204
#9  0xb5b86b3c in QThread::exec (this=0x9868ca8) at thread/qthread.cpp:501
#10 0xb5c7877d in QInotifyFileSystemWatcherEngine::run (this=0x9868ca8) at io/qfilesystemwatcher_inotify.cpp:248
#11 0xb5b89f00 in QThreadPrivate::start (arg=0x9868ca8) at thread/qthread_unix.cpp:307
#12 0xb30f3c39 in start_thread (arg=0xaf637b70) at pthread_create.c:304
#13 0xb768678e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xa8e17b70 (LWP 4372)):
#0  0xb778b424 in __kernel_vsyscall ()
#1  0xb30f820a in __pthread_cond_wait (cond=0x98830a8, mutex=0x9883090) at pthread_cond_wait.c:153
#2  0xb769387d in __pthread_cond_wait (cond=0x98830a8, mutex=0x9883090) at forward.c:139
#3  0xb5b8a470 in wait (time=4294967295, this=0x9883090) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x98b0ce0, mutex=0x9877ce8, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb36ca9c5 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x98b0cc8, th=0x9922900) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb36cd80b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98769a8, th=0x9922900) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb36ca52a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x98b0cc8, th=0x9922900) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb36cd964 in ThreadWeaver::WorkingHardState::applyForWork (this=0x98769a8, th=0x9922900) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb36ca423 in ThreadWeaver::WeaverImpl::applyForWork (this=0x98b0cc8, th=0x9922900, previous=0x9b10010) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb36cc3b4 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa8e172f4, parent=0x98b0cc8, th=th@entry=0x9922900) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb36cc46a in ThreadWeaver::Thread::run (this=0x9922900) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5b89f00 in QThreadPrivate::start (arg=0x9922900) at thread/qthread_unix.cpp:307
#13 0xb30f3c39 in start_thread (arg=0xa8e17b70) at pthread_create.c:304
#14 0xb768678e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xa8616b70 (LWP 4373)):
#0  0xb778b424 in __kernel_vsyscall ()
#1  0xb30f820a in __pthread_cond_wait (cond=0x98830a8, mutex=0x9883090) at pthread_cond_wait.c:153
#2  0xb769387d in __pthread_cond_wait (cond=0x98830a8, mutex=0x9883090) at forward.c:139
#3  0xb5b8a470 in wait (time=4294967295, this=0x9883090) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x98b0ce0, mutex=0x9877ce8, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb36ca9c5 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x98b0cc8, th=0x9a1a228) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb36cd80b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98769a8, th=0x9a1a228) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb36ca52a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x98b0cc8, th=0x9a1a228) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb36cd964 in ThreadWeaver::WorkingHardState::applyForWork (this=0x98769a8, th=0x9a1a228) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb36ca423 in ThreadWeaver::WeaverImpl::applyForWork (this=0x98b0cc8, th=0x9a1a228, previous=0xa60111d8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb36cc3b4 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa86162f4, parent=0x98b0cc8, th=th@entry=0x9a1a228) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb36cc46a in ThreadWeaver::Thread::run (this=0x9a1a228) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5b89f00 in QThreadPrivate::start (arg=0x9a1a228) at thread/qthread_unix.cpp:307
#13 0xb30f3c39 in start_thread (arg=0xa8616b70) at pthread_create.c:304
#14 0xb768678e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xa7e15b70 (LWP 4374)):
#0  0xb778b424 in __kernel_vsyscall ()
#1  0xb30f820a in __pthread_cond_wait (cond=0x98830a8, mutex=0x9883090) at pthread_cond_wait.c:153
#2  0xb769387d in __pthread_cond_wait (cond=0x98830a8, mutex=0x9883090) at forward.c:139
#3  0xb5b8a470 in wait (time=4294967295, this=0x9883090) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x98b0ce0, mutex=0x9877ce8, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb36ca9c5 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x98b0cc8, th=0x9a08e70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb36cd80b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98769a8, th=0x9a08e70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb36ca52a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x98b0cc8, th=0x9a08e70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb36cd964 in ThreadWeaver::WorkingHardState::applyForWork (this=0x98769a8, th=0x9a08e70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb36ca423 in ThreadWeaver::WeaverImpl::applyForWork (this=0x98b0cc8, th=0x9a08e70, previous=0xa60ee838) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb36cc3b4 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa7e152f4, parent=0x98b0cc8, th=th@entry=0x9a08e70) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb36cc46a in ThreadWeaver::Thread::run (this=0x9a08e70) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5b89f00 in QThreadPrivate::start (arg=0x9a08e70) at thread/qthread_unix.cpp:307
#13 0xb30f3c39 in start_thread (arg=0xa7e15b70) at pthread_create.c:304
#14 0xb768678e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa7614b70 (LWP 4375)):
#0  0xb778b424 in __kernel_vsyscall ()
#1  0xb30f820a in __pthread_cond_wait (cond=0x98830a8, mutex=0x9883090) at pthread_cond_wait.c:153
#2  0xb769387d in __pthread_cond_wait (cond=0x98830a8, mutex=0x9883090) at forward.c:139
#3  0xb5b8a470 in wait (time=4294967295, this=0x9883090) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x98b0ce0, mutex=0x9877ce8, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb36ca9c5 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x98b0cc8, th=0x99cf2e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb36cd80b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98769a8, th=0x99cf2e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb36ca52a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x98b0cc8, th=0x99cf2e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb36cd964 in ThreadWeaver::WorkingHardState::applyForWork (this=0x98769a8, th=0x99cf2e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb36ca423 in ThreadWeaver::WeaverImpl::applyForWork (this=0x98b0cc8, th=0x99cf2e0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb36cd980 in ThreadWeaver::WorkingHardState::applyForWork (this=0x98769a8, th=0x99cf2e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb36ca423 in ThreadWeaver::WeaverImpl::applyForWork (this=0x98b0cc8, th=0x99cf2e0, previous=0xa60ea480) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb36cc3b4 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa76142f4, parent=0x98b0cc8, th=th@entry=0x99cf2e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb36cc46a in ThreadWeaver::Thread::run (this=0x99cf2e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb5b89f00 in QThreadPrivate::start (arg=0x99cf2e0) at thread/qthread_unix.cpp:307
#15 0xb30f3c39 in start_thread (arg=0xa7614b70) at pthread_create.c:304
#16 0xb768678e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb1ccb950 (LWP 4303)):
[KCrash Handler]
#7  0xb6889907 in QGraphicsItem::scene (this=0x992f688) at graphicsview/qgraphicsitem.cpp:1528
#8  0xb68f6297 in QGraphicsWidget::setTabOrder (first=0x992f680, second=0xa6004e58) at graphicsview/qgraphicswidget.cpp:2123
#9  0xb775e8ea in ResultItem::arrangeTabOrder (this=0xa6004e58, last=0x992f680) at ../../krunner/interfaces/default/resultitem.cpp:105
#10 0xb7762bce in ResultScene::setQueryMatches (this=0x9998b50, m=...) at ../../krunner/interfaces/default/resultscene.cpp:192
#11 0xb5cb3ce2 in QMetaObject::activate (sender=0x9722fc0, m=0xb74f2198, local_signal_index=0, argv=0xbfacb1f8) at kernel/qobject.cpp:3547
#12 0xb7373e05 in Plasma::RunnerManager::matchesChanged (this=0x9722fc0, _t1=...) at ./runnermanager.moc:138
#13 0xb7377d1e in matchesChanged (this=0x97237f8) at ../../plasma/runnermanager.cpp:97
#14 qt_static_metacall (_a=0xbfacb34c, _id=10, _o=0x9722fc0, _c=<optimized out>) at ./runnermanager.moc:86
#15 Plasma::RunnerManager::qt_static_metacall (_o=_o@entry=0x9722fc0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=10, _a=0xbfacb34c) at ./runnermanager.moc:68
#16 0xb5cb3ce2 in QMetaObject::activate (sender=0x972380c, m=0xb5dff4b8, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#17 0xb5d04ad5 in QTimer::timeout (this=0x972380c) at .moc/release-shared/moc_qtimer.cpp:148
#18 0xb5cbae06 in QTimer::timerEvent (this=0x972380c, e=0xbfacb860) at kernel/qtimer.cpp:280
#19 0xb5cb1b14 in QObject::event (this=0x972380c, e=0xbfacb860) at kernel/qobject.cpp:1157
#20 0xb623047c in QApplicationPrivate::notify_helper (this=0x97125f0, receiver=0x972380c, e=0xbfacb860) at kernel/qapplication.cpp:4556
#21 0xb6234e7f in QApplication::notify (this=0xbfacb860, receiver=0x972380c, e=0xbfacb860) at kernel/qapplication.cpp:3938
#22 0xb6fa66b1 in KApplication::notify (this=0x970ac80, receiver=0x972380c, event=0xbfacb860) at ../../kdeui/kernel/kapplication.cpp:311
#23 0xb5c9b55e in QCoreApplication::notifyInternal (this=0x970ac80, receiver=0x972380c, event=0xbfacb860) at kernel/qcoreapplication.cpp:915
#24 0xb5cd0020 in sendEvent (event=0xbfacb860, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#25 QTimerInfoList::activateTimers (this=0x97122dc) at kernel/qeventdispatcher_unix.cpp:611
#26 0xb5ccd1c8 in timerSourceDispatch (source=0x97122a8) at kernel/qeventdispatcher_glib.cpp:186
#27 timerSourceDispatch (source=0x97122a8) at kernel/qeventdispatcher_glib.cpp:180
#28 0xb30206d3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0xb3020a70 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#30 0xb3020b51 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#31 0xb5ccd841 in QEventDispatcherGlib::processEvents (this=0x96e9e88, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#32 0xb62e31fa in QGuiEventDispatcherGlib::processEvents (this=0x96e9e88, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0xb5c9a02c in QEventLoop::processEvents (this=this@entry=0xbfacbac8, flags=...) at kernel/qeventloop.cpp:149
#34 0xb5c9a321 in QEventLoop::exec (this=0xbfacbac8, flags=...) at kernel/qeventloop.cpp:204
#35 0xb54f7e7e in KIO::NetAccess::enter_loop (this=this@entry=0xbfacbb44) at ../../kio/kio/netaccess.cpp:509
#36 0xb54f8311 in KIO::NetAccess::statInternal (this=this@entry=0xbfacbb44, url=..., details=details@entry=2, side=side@entry=KIO::NetAccess::SourceSide, window=window@entry=0x0) at ../../kio/kio/netaccess.cpp:362
#37 0xb54f836e in KIO::NetAccess::stat (url=..., entry=..., window=0x0) at ../../kio/kio/netaccess.cpp:228
#38 0xa9a5b659 in Nepomuk::SearchRunner::actionsForMatch (this=0x999e1e0, match=...) at ../../../../../plasma/generic/runners/nepomuksearch/nepomuksearchrunner.cpp:203
#39 0xb7373b5e in Plasma::RunnerManager::actionsForMatch (this=0x9722fc0, match=...) at ../../plasma/runnermanager.cpp:626
#40 0xa6004548 in ?? ()
#41 0x00000000 in ?? ()


Reproducible: Always

Steps to Reproduce:
1. Press Alt+F2
2. Type in application name and press enter before krunner loads any search results
3. krunner crashes.
Actual Results:  
krunner crashes

Expected Results:  
krunner should launch the application