[rkward] [Bug 400519] New: Crash on change of workspaces

Mike Eichler bugzilla_noreply at kde.org
Wed Oct 31 16:35:19 GMT 2018 

https://bugs.kde.org/show_bug.cgi?id=400519

            Bug ID: 400519
           Summary: Crash on change of workspaces
           Product: rkward
           Version: unspecified
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: rkward-devel at kde.org
          Reporter: mike at mykolab.ch
  Target Milestone: ---

Application: rkward (0.7.0b)

Qt Version: 5.11.2
Frameworks Version: 5.51.0
Operating System: Linux 4.15.0-36-generic x86_64
Distribution: KDE neon User Edition 5.14

-- Information about the crash:
- What I was doing when the application crashed:
A workspace was open
I selected a new workspace and from the menu and clicked on it to open it
Then it crashed

-- Backtrace:
Application: RKWard (rkward), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe9762b0500 (LWP 29221))]

Thread 6 (Thread 0x7fe8fbbff700 (LWP 29230)):
#0  0x00007fe96d1bfbf9 in __GI___poll (fds=0x7fe8f4003ce0, nfds=1,
timeout=9627) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe967675439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe96767554c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe96de9853b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe96de3c7fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe96dc67bba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe96dc72adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe96a8f06db in start_thread (arg=0x7fe8fbbff700) at
pthread_create.c:463
#8  0x00007fe96d1cc88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fe941c5e700 (LWP 29225)):
#0  0x00007fe9676bad94 in g_mutex_unlock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe967675556 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe96de9853b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fe96de3c7fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe96dc67bba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x0000000000638dd0 in RKFrontendTransmitter::run() ()
#6  0x00007fe96dc72adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe96a8f06db in start_thread (arg=0x7fe941c5e700) at
pthread_create.c:463
#8  0x00007fe96d1cc88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fe94d5b2700 (LWP 29224)):
#0  0x00007fe9676bad79 in g_mutex_lock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe96767541f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe96767554c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe96de9853b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe96de3c7fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe96dc67bba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe97047de45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fe96dc72adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe96a8f06db in start_thread (arg=0x7fe94d5b2700) at
pthread_create.c:463
#9  0x00007fe96d1cc88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fe95503e700 (LWP 29223)):
#0  0x00007fe96d1bfbf9 in __GI___poll (fds=0x7fe95503db28, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe9648a3747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fe9648a536a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fe957df7ed9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fe96dc72adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe96a8f06db in start_thread (arg=0x7fe95503e700) at
pthread_create.c:463
#6  0x00007fe96d1cc88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fe9591de700 (LWP 29222)):
#0  0x00007fe96a8f69f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7fe975994114) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fe96a8f69f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x1c86a30, cond=0x7fe9759940e8) at pthread_cond_wait.c:502
#2  0x00007fe96a8f69f3 in __pthread_cond_wait (cond=0x7fe9759940e8,
mutex=0x1c86a30) at pthread_cond_wait.c:655
#3  0x00007fe96d8f179c in
std::condition_variable::wait(std::unique_lock<std::mutex>&) () at
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007fe974ca6217 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#5  0x00007fe974ca6359 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#6  0x00007fe96d8f757f in  () at /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#7  0x00007fe96a8f06db in start_thread (arg=0x7fe9591de700) at
pthread_create.c:463
#8  0x00007fe96d1cc88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fe9762b0500 (LWP 29221)):
[KCrash Handler]
#6  0x000000000050f275 in RKWorkplace::makeItemDescription(RKMDIWindow*) const
()
#7  0x0000000000508e9d in listContents(QSplitter const*, QStringList*) ()
#8  0x0000000000508fea in RKWorkplaceView::listContents() const ()
#9  0x000000000050ff2e in RKWorkplace::makeWorkplaceDescription() ()
#10 0x00000000005103a8 in RKWorkplace::saveWorkplace(RCommandChain*) ()
#11 0x00000000005495b7 in RKSaveAgent::RKSaveAgent(QUrl, bool,
RKSaveAgent::DoneAction, QUrl) ()
#12 0x00000000004de099 in RKWardMainWindow::askOpenWorkspace(QUrl const&) ()
#13 0x00000000004f0ea9 in  ()
#14 0x00007fe96de6d565 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fe971065452 in KRecentFilesAction::urlSelected(QUrl const&) () at
/usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5
#16 0x00007fe971065d25 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5
#17 0x00007fe97106618b in  () at
/usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5
#18 0x00007fe96de6d565 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fe96f80318f in KSelectAction::triggered(QAction*) () at
/usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#20 0x00007fe96f804948 in KSelectAction::actionTriggered(QAction*) () at
/usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#21 0x00007fe96de6d67f in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fe96f060f7f in QActionGroup::triggered(QAction*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fe96f061a59 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007fe96de6d565 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fe96f05d6b2 in QAction::triggered(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fe96f05fcec in QAction::activate(QAction::ActionEvent) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007fe96f1d33bc in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007fe96f1da93b in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007fe96f1db7f3 in QMenu::mouseReleaseEvent(QMouseEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007fe96f0a2a98 in QWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007fe96f1ddb2b in QMenu::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007fe96f063e1c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007fe96f06bf87 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fe96de3e4d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007fe96f06a8d2 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007fe96f0bd94a in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007fe96f0c0229 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007fe96f063e1c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007fe96f06b3ef in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007fe96de3e4d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007fe96e3d07bb in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#42 0x00007fe96e3d2335 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#43 0x00007fe96e3aaf5b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#44 0x00007fe957e8376b in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#45 0x00007fe96de3c7fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#46 0x00007fe96de459c0 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x00000000004d8027 in main ()

Reported using DrKonqi

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