[kde] [Bug 346366] New: lancelot crash after selecting application

RJVB rjvbertin at gmail.com
Sun Apr 19 18:29:36 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=346366

            Bug ID: 346366
           Summary: lancelot crash after selecting application
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: rjvbertin at gmail.com

Application: lancelot (1.9.5)
KDE Platform Version: 4.14.4
Qt Version: 4.8.7
Operating System: Linux 3.13.11.17-ckt17-ck1-kubuntu-amdf10-rjvb x86_64
Distribution: Ubuntu 14.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:

I had entered the name of an application I wanted to launch through the
keyboard, using completion, and then hit return. The application was Audacity,
which I had built myself from source and installed as usual.

-- Backtrace:
Application: Lancelot (lancelot), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f30124ea7c0 (LWP 3945))]

Thread 6 (Thread 0x7f2fea46d700 (LWP 3947)):
#0  0x00007ffe174d8cd3 in clock_gettime ()
#1  0x00007f300e3be92d in __GI___clock_gettime (clock_id=<optimized out>,
tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f300ead1309 in do_gettime (frac=<synthetic pointer>, sec=<synthetic
pointer>) at tools/qelapsedtimer_unix.cpp:127
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:144
#4  0x00007f300ebc03d5 in updateCurrentTime (this=0x7f2fe4003130) at
kernel/qeventdispatcher_unix.cpp:354
#5  QTimerInfoList::timerWait (this=0x7f2fe4003130, tm=...) at
kernel/qeventdispatcher_unix.cpp:460
#6  0x00007f300ebbeb07 in timerSourcePrepareHelper (src=<optimized out>,
timeout=0x7f2fea46cc24) at kernel/qeventdispatcher_glib.cpp:143
#7  0x00007f300ebbebe5 in timerSourcePrepare (source=<optimized out>,
timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:176
#8  0x00007f3005ea568d in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f3005ea5f03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f3005ea60ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f300ebbf5ae in QEventDispatcherGlib::processEvents
(this=0x7f2fe40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#12 0x00007f300eb8b56f in QEventLoop::processEvents
(this=this at entry=0x7f2fea46cde0, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007f300eb8b8b5 in QEventLoop::exec (this=this at entry=0x7f2fea46cde0,
flags=...) at kernel/qeventloop.cpp:204
#14 0x00007f300ea6fa0d in QThread::exec (this=this at entry=0x108b2f0) at
thread/qthread.cpp:538
#15 0x00007f300eb6a5a3 in QInotifyFileSystemWatcherEngine::run (this=0x108b2f0)
at io/qfilesystemwatcher_inotify.cpp:265
#16 0x00007f300ea72783 in QThreadPrivate::start (arg=0x108b2f0) at
thread/qthread_unix.cpp:352
#17 0x00007f30067c9182 in start_thread (arg=0x7f2fea46d700) at
pthread_create.c:312
#18 0x00007f300e3b047d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f2fd6ccf700 (LWP 24812)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f300ea72d9a in wait (time=18446744073709551615, this=0x1735020) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1571cb0,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f30099b97e7 in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=<optimized
out>, th=0x2aef490) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f30099bc5d1 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x145e440, th=0x2aef490, previous=<optimized out>) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f30099babb3 in ThreadWeaver::Thread::run (this=0x2aef490) at
../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f300ea72783 in QThreadPrivate::start (arg=0x2aef490) at
thread/qthread_unix.cpp:352
#7  0x00007f30067c9182 in start_thread (arg=0x7f2fd6ccf700) at
pthread_create.c:312
#8  0x00007f300e3b047d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f2fd5e40700 (LWP 24813)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f300ea72d9a in wait (time=18446744073709551615, this=0x1735020) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1571cb0,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f30099b97e7 in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=<optimized
out>, th=0x2ef6790) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f30099bc5d1 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x145e440, th=0x2ef6790, previous=<optimized out>) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f30099babb3 in ThreadWeaver::Thread::run (this=0x2ef6790) at
../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f300ea72783 in QThreadPrivate::start (arg=0x2ef6790) at
thread/qthread_unix.cpp:352
#7  0x00007f30067c9182 in start_thread (arg=0x7f2fd5e40700) at
pthread_create.c:312
#8  0x00007f300e3b047d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f2fd563f700 (LWP 24814)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f300ea72d9a in wait (time=18446744073709551615, this=0x1735020) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1571cb0,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f30099b97e7 in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=<optimized
out>, th=0x2aedbe0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f30099bc5d1 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x145e440, th=0x2aedbe0, previous=<optimized out>) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f30099babb3 in ThreadWeaver::Thread::run (this=0x2aedbe0) at
../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f300ea72783 in QThreadPrivate::start (arg=0x2aedbe0) at
thread/qthread_unix.cpp:352
#7  0x00007f30067c9182 in start_thread (arg=0x7f2fd563f700) at
pthread_create.c:312
#8  0x00007f300e3b047d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f2fd4e3e700 (LWP 24815)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f300ea72d9a in wait (time=18446744073709551615, this=0x1735020) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1571cb0,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f30099b97e7 in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=<optimized
out>, th=0x2aed810) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f30099bc5d1 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x145e440, th=0x2aed810, previous=<optimized out>) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f30099babb3 in ThreadWeaver::Thread::run (this=0x2aed810) at
../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f300ea72783 in QThreadPrivate::start (arg=0x2aed810) at
thread/qthread_unix.cpp:352
#7  0x00007f30067c9182 in start_thread (arg=0x7f2fd4e3e700) at
pthread_create.c:312
#8  0x00007f300e3b047d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f30124ea7c0 (LWP 3945)):
[KCrash Handler]
#6  QReadWriteLock::~QReadWriteLock (this=0x25, __in_chrg=<optimized out>) at
thread/qreadwritelock.cpp:137
#7  0x00007f301197b94d in Plasma::QueryMatchPrivate::~QueryMatchPrivate
(this=0x7f2fc8204770) at ../../plasma/querymatch.cpp:72
#8  0x00007f301197a88b in ~QSharedDataPointer (this=<optimized out>) at
/usr/include/qt4/QtCore/qshareddata.h:90
#9  Plasma::QueryMatch::~QueryMatch (this=<optimized out>) at
../../plasma/querymatch.cpp:102
#10 0x00007f301198f445 in Plasma::RunnerManager::run (this=<optimized out>,
id=...) at ../../plasma/runnermanager.cpp:598
#11 0x00007f30110dc07f in Lancelot::Models::Runner::activate (this=0x177ba70,
index=<optimized out>) at ../../../libs/lancelot-datamodels/Runner.cpp:210
#12 0x00007f3011351e54 in Lancelot::ActionListModel::activated (this=0x177ba70,
index=index at entry=0) at ../../../libs/lancelot/models/ActionListModel.cpp:86
#13 0x00007f301133b1bb in Lancelot::ActionListViewItemFactory::activate
(this=0x1315820, index=0) at
../../../libs/lancelot/widgets/ActionListView.cpp:381
#14 0x00007f301133df65 in Lancelot::ActionListView::keyPressEvent
(this=0x13081c0, event=<optimized out>) at
../../../libs/lancelot/widgets/ActionListView.cpp:1132
#15 0x000000000041612e in sendKeyEvent (event=0x7ffe174abea0, this=0x15c7930)
at /usr/include/qt4/QtCore/qstring.h:880
#16 LancelotWindow::eventFilter (this=0x15c7930, object=0x15c7930,
event=0x7ffe174abea0) at
../../../../applets/lancelot/application/LancelotWindow.cpp:832
#17 0x00007f300eb8ccd4 in
QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>,
receiver=0x15c7930, event=0x7ffe174abea0) at kernel/qcoreapplication.cpp:1065
#18 0x00007f300f32f368 in QApplication::~QApplication (this=0x108f460,
__in_chrg=<optimized out>) at kernel/qapplication.cpp:1182
#19 0x00007ffe174abd70 in ?? ()
#20 0x00007ffe174abd40 in ?? ()
#21 0x00007ffe174abd80 in ?? ()
#22 0x0000000000000000 in ?? ()

Reported using DrKonqi

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