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List: kde-bugs-dist
Subject: [plasma] [Bug 331633] New: Lancelot crash
From: Sergio Casagrande <kde () bhf ! it>
Date: 2014-02-28 22:32:08
Message-ID: bug-331633-17878 () http ! bugs ! kde ! org/
[Download RAW message or body]
https://bugs.kde.org/show_bug.cgi?id=331633
Bug ID: 331633
Summary: Lancelot crash
Classification: Unclassified
Product: plasma
Version: unspecified
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: widget-lancelot
Assignee: ivan.cukic@kde.org
Reporter: kde@bhf.it
Application: lancelot (1.9.5)
KDE Platform Version: 4.11.5
Qt Version: 4.8.4
Operating System: Linux 3.11.0-18-generic x86_64
Distribution: Ubuntu 13.10
-- Information about the crash:
After searching lightscan, press return and Lancelot crash
The crash can be reproduced sometimes.
-- 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 0x7fcd2bd557c0 (LWP 3177))]
Thread 7 (Thread 0x7fcd0fe55700 (LWP 3178)):
#0 __GI___pthread_mutex_lock (mutex=0x7fcd08000a60) at
pthread_mutex_lock.c:116
#1 0x00007fcd1f8eb3a1 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fcd1f8aad59 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fcd1f8ab5c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fcd1f8ab7ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fcd28845a76 in QEventDispatcherGlib::processEvents
(this=0x7fcd080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6 0x00007fcd288175ef in QEventLoop::processEvents
(this=this@entry=0x7fcd0fe54d70, flags=...) at kernel/qeventloop.cpp:149
#7 0x00007fcd288178e5 in QEventLoop::exec (this=this@entry=0x7fcd0fe54d70,
flags=...) at kernel/qeventloop.cpp:204
#8 0x00007fcd2871688f in QThread::exec (this=this@entry=0x103e140) at
thread/qthread.cpp:542
#9 0x00007fcd287f8d13 in QInotifyFileSystemWatcherEngine::run (this=0x103e140)
at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007fcd28718f2f in QThreadPrivate::start (arg=0x103e140) at
thread/qthread_unix.cpp:338
#11 0x00007fcd201c4f6e in start_thread (arg=0x7fcd0fe55700) at
pthread_create.c:311
#12 0x00007fcd280cc9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 6 (Thread 0x7fcd0f3b5700 (LWP 3179)):
#0 0x00007fcd1f8eb0ea in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007fcd1f8eb399 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fcd1f8ab798 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fcd28845a76 in QEventDispatcherGlib::processEvents
(this=0x7fcd000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4 0x00007fcd288175ef in QEventLoop::processEvents
(this=this@entry=0x7fcd0f3b4d70, flags=...) at kernel/qeventloop.cpp:149
#5 0x00007fcd288178e5 in QEventLoop::exec (this=this@entry=0x7fcd0f3b4d70,
flags=...) at kernel/qeventloop.cpp:204
#6 0x00007fcd2871688f in QThread::exec (this=this@entry=0x11b90b0) at
thread/qthread.cpp:542
#7 0x00007fcd287f8d13 in QInotifyFileSystemWatcherEngine::run (this=0x11b90b0)
at io/qfilesystemwatcher_inotify.cpp:265
#8 0x00007fcd28718f2f in QThreadPrivate::start (arg=0x11b90b0) at
thread/qthread_unix.cpp:338
#9 0x00007fcd201c4f6e in start_thread (arg=0x7fcd0f3b5700) at
pthread_create.c:311
#10 0x00007fcd280cc9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 5 (Thread 0x7fccedbc7700 (LWP 5298)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007fcd28719406 in wait (time=18446744073709551615, this=0x137eeb0) at
thread/qwaitcondition_unix.cpp:86
#2 QWaitCondition::wait (this=this@entry=0x14a5818, mutex=0x13a61d0,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3 0x00007fcd23437e6c in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x14a57f0,
th=0x11cece0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4 0x00007fcd2343a903 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x137cd70, th=0x11cece0, previous=0x1a55630) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5 0x00007fcd2343961f in ThreadWeaver::Thread::run (this=0x11cece0) at
../../../threadweaver/Weaver/Thread.cpp:98
#6 0x00007fcd28718f2f in QThreadPrivate::start (arg=0x11cece0) at
thread/qthread_unix.cpp:338
#7 0x00007fcd201c4f6e in start_thread (arg=0x7fccedbc7700) at
pthread_create.c:311
#8 0x00007fcd280cc9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 4 (Thread 0x7fcce53c6700 (LWP 5299)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007fcd28719406 in wait (time=18446744073709551615, this=0x137eeb0) at
thread/qwaitcondition_unix.cpp:86
#2 QWaitCondition::wait (this=this@entry=0x14a5818, mutex=0x13a61d0,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3 0x00007fcd23437e6c in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x14a57f0,
th=0x1a66b90) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4 0x00007fcd2343a903 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x137cd70, th=0x1a66b90, previous=0x1532610) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5 0x00007fcd2343961f in ThreadWeaver::Thread::run (this=0x1a66b90) at
../../../threadweaver/Weaver/Thread.cpp:98
#6 0x00007fcd28718f2f in QThreadPrivate::start (arg=0x1a66b90) at
thread/qthread_unix.cpp:338
#7 0x00007fcd201c4f6e in start_thread (arg=0x7fcce53c6700) at
pthread_create.c:311
#8 0x00007fcd280cc9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 3 (Thread 0x7fcced3c6700 (LWP 5300)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007fcd28719406 in wait (time=18446744073709551615, this=0x137eeb0) at
thread/qwaitcondition_unix.cpp:86
#2 QWaitCondition::wait (this=this@entry=0x14a5818, mutex=0x13a61d0,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3 0x00007fcd23437e6c in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x14a57f0,
th=0x17088b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4 0x00007fcd2343a903 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x137cd70, th=0x17088b0, previous=0x1a5ac90) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5 0x00007fcd2343961f in ThreadWeaver::Thread::run (this=0x17088b0) at
../../../threadweaver/Weaver/Thread.cpp:98
#6 0x00007fcd28718f2f in QThreadPrivate::start (arg=0x17088b0) at
thread/qthread_unix.cpp:338
#7 0x00007fcd201c4f6e in start_thread (arg=0x7fcced3c6700) at
pthread_create.c:311
#8 0x00007fcd280cc9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 2 (Thread 0x7fccecbc5700 (LWP 5301)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007fcd28719406 in wait (time=18446744073709551615, this=0x137eeb0) at
thread/qwaitcondition_unix.cpp:86
#2 QWaitCondition::wait (this=this@entry=0x14a5818, mutex=0x13a61d0,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3 0x00007fcd23437e6c in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x14a57f0,
th=0xe82c20) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4 0x00007fcd2343a903 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x137cd70, th=0xe82c20, previous=0x1a5c650) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5 0x00007fcd2343961f in ThreadWeaver::Thread::run (this=0xe82c20) at
../../../threadweaver/Weaver/Thread.cpp:98
#6 0x00007fcd28718f2f in QThreadPrivate::start (arg=0xe82c20) at
thread/qthread_unix.cpp:338
#7 0x00007fcd201c4f6e in start_thread (arg=0x7fccecbc5700) at
pthread_create.c:311
#8 0x00007fcd280cc9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 1 (Thread 0x7fcd2bd557c0 (LWP 3177)):
[KCrash Handler]
#6 QReadWriteLock::~QReadWriteLock (this=0x25, __in_chrg=<optimized out>) at
thread/qreadwritelock.cpp:137
#7 0x00007fcd2b36957d in ~QueryMatchPrivate (this=<optimized out>,
__in_chrg=<optimized out>) at ../../plasma/querymatch.cpp:72
#8 ~QSharedDataPointer (this=<optimized out>, __in_chrg=<optimized out>) at
/usr/include/qt4/QtCore/qshareddata.h:90
#9 Plasma::QueryMatch::~QueryMatch (this=0x25, __in_chrg=<optimized out>) at
../../plasma/querymatch.cpp:100
#10 0x00007fcd2b378c7f in Plasma::RunnerManager::run (this=0x1374970, id=...)
at ../../plasma/runnermanager.cpp:598
#11 0x00007fcd2ab2709f in Lancelot::Models::Runner::activate (this=0x12e01b0,
index=<optimized out>) at ../../../libs/lancelot-datamodels/Runner.cpp:210
#12 0x00007fcd2ad9ce84 in Lancelot::ActionListModel::activated (this=0x12e01b0,
index=index@entry=0) at ../../../libs/lancelot/models/ActionListModel.cpp:86
#13 0x00007fcd2ad861db in Lancelot::ActionListViewItemFactory::activate
(this=0x1162940, index=0) at
../../../libs/lancelot/widgets/ActionListView.cpp:381
#14 0x00007fcd2ad88f85 in Lancelot::ActionListView::keyPressEvent
(this=0x1081a50, event=<optimized out>) at
../../../libs/lancelot/widgets/ActionListView.cpp:1132
#15 0x000000000041612e in sendKeyEvent (event=0x7fff2c304870, this=0xf540d0) at
/usr/include/qt4/QtCore/qstring.h:880
#16 LancelotWindow::eventFilter (this=0xf540d0, object=0xf540d0,
event=0x7fff2c304870) at
../../../../applets/lancelot/application/LancelotWindow.cpp:832
#17 0x00007fcd28818a26 in
QCoreApplicationPrivate::sendThroughObjectEventFilters
(this=this@entry=0xeab260, receiver=receiver@entry=0xf540d0,
event=event@entry=0x7fff2c304870) at kernel/qcoreapplication.cpp:1056
#18 0x00007fcd28fc3ddc in QApplicationPrivate::notify_helper
(this=this@entry=0xeab260, receiver=receiver@entry=0xf540d0,
e=e@entry=0x7fff2c304870) at kernel/qapplication.cpp:4563
#19 0x00007fcd28fcb6c1 in QApplication::notify (this=this@entry=0xe7e1d0,
receiver=receiver@entry=0xf540d0, e=e@entry=0x7fff2c304870) at
kernel/qapplication.cpp:4008
#20 0x00007fcd2a18ea6a in KApplication::notify (this=0xe7e1d0,
receiver=0xf540d0, event=0x7fff2c304870) at
../../kdeui/kernel/kapplication.cpp:311
#21 0x00007fcd288188bd in QCoreApplication::notifyInternal (this=0xe7e1d0,
receiver=receiver@entry=0xf540d0, event=event@entry=0x7fff2c304870) at
kernel/qcoreapplication.cpp:946
#22 0x00007fcd28fc2526 in sendSpontaneousEvent
(event=event@entry=0x7fff2c304870, receiver=receiver@entry=0xf540d0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#23 qt_sendSpontaneousEvent (receiver=receiver@entry=0xf540d0,
event=event@entry=0x7fff2c304870) at kernel/qapplication.cpp:5565
#24 0x00007fcd29062e19 in QKeyMapper::sendKeyEvent
(keyWidget=keyWidget@entry=0xf540d0, grab=grab@entry=false,
type=QEvent::KeyPress, code=16777220, modifiers=..., text=...,
autorepeat=autorepeat@entry=false, count=1, nativeScanCode=36,
nativeVirtualKey=65293, nativeModifiers=16) at kernel/qkeymapper_x11.cpp:1866
#25 0x00007fcd290631b9 in QKeyMapperPrivate::translateKeyEvent (this=0xee67c0,
keyWidget=keyWidget@entry=0xf540d0, event=event@entry=0x7fff2c304e00,
grab=grab@entry=false) at kernel/qkeymapper_x11.cpp:1836
#26 0x00007fcd2903d207 in QApplication::x11ProcessEvent (this=0xe7e1d0,
event=event@entry=0x7fff2c304e00) at kernel/qapplication_x11.cpp:3639
#27 0x00007fcd29065922 in x11EventSourceDispatch (s=0xea9480, callback=0x0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#28 0x00007fcd1f8ab3b6 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fcd1f8ab708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fcd1f8ab7ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fcd28845a55 in QEventDispatcherGlib::processEvents (this=0xe3fad0,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#32 0x00007fcd290659d6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x00007fcd288175ef in QEventLoop::processEvents
(this=this@entry=0x7fff2c3051e0, flags=...) at kernel/qeventloop.cpp:149
#34 0x00007fcd288178e5 in QEventLoop::exec (this=this@entry=0x7fff2c3051e0,
flags=...) at kernel/qeventloop.cpp:204
#35 0x00007fcd2881ce5b in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1218
#36 0x00007fcd28fc234c in QApplication::exec () at kernel/qapplication.cpp:3828
#37 0x000000000040cde3 in LancelotApplication::main (argc=<optimized out>,
argv=<optimized out>) at
../../../../applets/lancelot/application/LancelotApplication.cpp:113
#38 0x00007fcd27ff3de5 in __libc_start_main (main=0x40cc90 <main(int, char**)>,
argc=1, ubp_av=0x7fff2c305348, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff2c305338) at libc-start.c:260
#39 0x000000000040ce17 in _start ()
The reporter indicates this bug may be a duplicate of or related to bug 295033.
Possible duplicates by query: bug 330712, bug 326349, bug 324833, bug 324369,
bug 320173.
Reported using DrKonqi
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