https://bugs.kde.org/show_bug.cgi?id=362000
Bug ID: 362000
Summary: plasmashell crashed when changing virtual desktop
(page) via mousewheel
Product: plasmashell
Version: 5.4.3
Platform: Debian testing
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: luis...@gmail.com
CC: bhus...@gmail.com, plasma-b...@kde.org
Application: plasmashell (5.4.3)
Qt Version: 5.5.1
Operating System: Linux 4.4.0-1-amd64 x86_64
Distribution: Debian GNU/Linux testing-updates (sid)
-- Information about the crash:
- What I was doing when the application crashed:
1- I started my computer, and a message about a missing file in an okular
instance was shown. (In the previous session I read this file, minimized
okular and later decided to move the file to another folder, while still opened
in okular. Later I turned the computer off.)
2 - I closed this particular okular window - it was minimized, I restored it
and then closed. At the same time I had other okular sessions, with valid
(existing) files shown
3 - Then I moved to another virtual desktop, via the mousewheel. Plasma
crashed, but, before I clicked "restart" in the 'bug window' (where I an now,
but my system is in Portuguese...) the plasma restarted automatically.
4 - THIS ERROR IS REPRODUCTIBLE: I went to other virtual desktops, via
mousewheel, to check for some info about the english interface, and the fail
occurred 2 or 3 times again - fortunately my bug description is still here! I
changed to other desktops later, and the behaviour seens OK now.
- Unusual behavior I noticed:
Plasmashell crashed: the desktop paper disappeared and left a black backgrond;
the panel (task bar) disappeared also (thus leaving more space at the bottom of
screen, some windows took this extra space)
-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f411b0b6940 (LWP 2465))]
Thread 7 (Thread 0x7f4106120700 (LWP 2466)):
#0 0x00007f41157f7e4d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f41198aa382 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f41198abff7 in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f4107417789 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f4115edc7fe in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f4115000454 in start_thread (arg=0x7f4106120700) at
pthread_create.c:334
#6 0x00007f4115800ecd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 6 (Thread 0x7f40ff5ef700 (LWP 2489)):
#0 0x00007f41157f3e2d in read () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f41125e66f0 in g_wakeup_acknowledge (__nbytes=16,
__buf=0x7f40ff5eea60, __fd=<optimized out>) at
/usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2 0x00007f41125e66f0 in g_wakeup_acknowledge (wakeup=0x7f41000015b0) at
/build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gwakeup.c:210
#3 0x00007f41125a2e14 in g_main_context_check
(context=context@entry=0x7f40f8000990, max_priority=2147483647,
fds=fds@entry=0x7f40f8003070, n_fds=n_fds@entry=1) at
/build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3632
#4 0x00007f41125a32d0 in g_main_context_iterate
(context=context@entry=0x7f40f8000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3837
#5 0x00007f41125a343c in g_main_context_iteration (context=0x7f40f8000990,
may_block=1) at /build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3901
#6 0x00007f4116113a5b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f41160bad6a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f4115ed7854 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f411876a105 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f4115edc7fe in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f4115000454 in start_thread (arg=0x7f40ff5ef700) at
pthread_create.c:334
#12 0x00007f4115800ecd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 5 (Thread 0x7f40f4ded700 (LWP 2493)):
#0 0x00007f4115ed495a in QMutex::lock() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1 0x00007f4116112fdf in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f41125a28bd in g_main_context_prepare
(context=context@entry=0x7f40f0000990, priority=priority@entry=0x7f40f4decb30)
at /build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3442
#3 0x00007f41125a325b in g_main_context_iterate
(context=context@entry=0x7f40f0000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3820
#4 0x00007f41125a343c in g_main_context_iteration (context=0x7f40f0000990,
may_block=1) at /build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3901
#5 0x00007f4116113a5b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f41160bad6a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f4115ed7854 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f411876a105 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9 0x00007f4115edc7fe in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f4115000454 in start_thread (arg=0x7f40f4ded700) at
pthread_create.c:334
#11 0x00007f4115800ecd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 4 (Thread 0x7f40eed9d700 (LWP 3103)):
#0 0x00007f41157f7e4d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f41125a332c in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7f40e8003070, timeout=<optimized out>, context=0x7f40e8000990) at
/build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:4135
#2 0x00007f41125a332c in g_main_context_iterate
(context=context@entry=0x7f40e8000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3835
#3 0x00007f41125a343c in g_main_context_iteration (context=0x7f40e8000990,
may_block=1) at /build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3901
#4 0x00007f4116113a5b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f41160bad6a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f4115ed7854 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f411876a105 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f4115edc7fe in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f4115000454 in start_thread (arg=0x7f40eed9d700) at
pthread_create.c:334
#10 0x00007f4115800ecd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3 (Thread 0x7f40e77bd700 (LWP 3205)):
#0 0x00007f411500604f in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f411ab171c4 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2 0x00007f411ab17209 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3 0x00007f4115000454 in start_thread (arg=0x7f40e77bd700) at
pthread_create.c:334
#4 0x00007f4115800ecd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 2 (Thread 0x7f405e43f700 (LWP 3221)):
#0 0x00007f41157f7e4d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f41125a332c in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7f4050002f20, timeout=<optimized out>, context=0x7f4050000990) at
/build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:4135
#2 0x00007f41125a332c in g_main_context_iterate
(context=context@entry=0x7f4050000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3835
#3 0x00007f41125a343c in g_main_context_iteration (context=0x7f4050000990,
may_block=1) at /build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3901
#4 0x00007f4116113a5b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f41160bad6a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f4115ed7854 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f41190f2136 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8 0x00007f4115edc7fe in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f4115000454 in start_thread (arg=0x7f405e43f700) at
pthread_create.c:334
#10 0x00007f4115800ecd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 1 (Thread 0x7f411b0b6940 (LWP 2465)):
[KCrash Handler]
#6 0x00007f411853c358 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f41187ab97a in QQmlDelegateModel::_q_itemsChanged(int, int,
QVector<int> const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f41187d304c in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9 0x00007f41187d3838 in QQmlDelegateModel::qt_metacall(QMetaObject::Call,
int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f41160ec140 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f411616809c in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f405d605884 in () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#13 0x00007f405d606b07 in () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#14 0x00007f41160ebf8a in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f405d60ea28 in
TaskManager::AbstractGroupableItem::changed(QFlags<TaskManager::TaskChange>) ()
at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#16 0x00007f405d5fbf70 in () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#17 0x00007f41160ebf8a in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f405d60ec18 in
TaskManager::Task::changed(QFlags<TaskManager::TaskChange>) () at
/usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#19 0x00007f405d5edfdb in TaskManager::Task::setActive(bool) () at
/usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#20 0x00007f405d601d4c in
TaskManager::TaskManager::activeWindowChanged(unsigned long long) () at
/usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#21 0x00007f405d604037 in () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#22 0x00007f41160ebf8a in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f4118284c62 in KWindowSystem::activeWindowChanged(unsigned long
long) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#24 0x00007f41044fc29b in () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#25 0x00007f41160b9f1f in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f410741b204 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#27 0x00007f410741bfb3 in QXcbConnection::processXcbEvents() () at
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#28 0x00007f41160ece61 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f4116bbfffc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f4116bc54b6 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f41160bd5ab in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f41160bf9a6 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f4116113633 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f41125a3137 in g_main_context_dispatch (context=0x7f41000016f0) at
/build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3154
#35 0x00007f41125a3137 in g_main_context_dispatch
(context=context@entry=0x7f41000016f0) at
/build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3769
#36 0x00007f41125a3390 in g_main_context_iterate
(context=context@entry=0x7f41000016f0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3840
#37 0x00007f41125a343c in g_main_context_iteration (context=0x7f41000016f0,
may_block=1) at /build/glib2.0-2CrUwg/glib2.0-2.48.0/./glib/gmain.c:3901
#38 0x00007f4116113a3f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f41160bad6a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007f41160c2e0c in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x0000000000431b03 in main ()
Reported using DrKonqi
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