https://bugs.kde.org/show_bug.cgi?id=367456
Bug ID: 367456
Summary: Plasma shell crashes whiel attempting to switch
applications using Icons-only Task Manager
Product: plasmashell
Version: 5.5.5
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: blkel...@comcast.net
CC: bhus...@gmail.com, plasma-b...@kde.org
Application: plasmashell (5.5.5)
Qt Version: 5.5.1
Operating System: Linux 4.4.0-34-generic x86_64
Distribution: Ubuntu 16.04.1 LTS
-- Information about the crash:
- What I was doing when the application crashed:
Moved mouse cursor down to Icons-only Task Manager in my bottom panel in an
attempt to change the active window, but before I can complete the action,
Plasma crashes and restarts. This is occasionally reproducible, just enough to
be annoying.
The crash can be reproduced sometimes.
-- 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 0x7f2bdc2938c0 (LWP 3284))]
Thread 12 (Thread 0x7f2b0fdb8700 (LWP 3559)):
#0 0x00007f2bd69949cd in read () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f2bd3771740 in g_wakeup_acknowledge (__nbytes=16,
__buf=0x7f2b0fdb7ac0, __fd=<optimized out>) at
/usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2 0x00007f2bd3771740 in g_wakeup_acknowledge (wakeup=0x7f2b1c002570) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gwakeup.c:210
#3 0x00007f2bd372de84 in g_main_context_check
(context=context@entry=0x7f2b08000990, max_priority=2147483647,
fds=fds@entry=0x7f2b080048c0, n_fds=n_fds@entry=1) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3632
#4 0x00007f2bd372e340 in g_main_context_iterate
(context=context@entry=0x7f2b08000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3837
#5 0x00007f2bd372e4ac in g_main_context_iteration (context=0x7f2b08000990,
may_block=1) at /build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3901
#6 0x00007f2bd72c5a9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f2bd726cdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f2bd70898a4 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f2b122977d7 in KCupsConnection::run() () at
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#10 0x00007f2bd708e84e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f2bd617b6fa in start_thread (arg=0x7f2b0fdb8700) at
pthread_create.c:333
#12 0x00007f2bd69a4b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 11 (Thread 0x7f2ba6131700 (LWP 3351)):
#0 0x00007f2bd69949cd in read () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f2bd3771740 in g_wakeup_acknowledge (__nbytes=16,
__buf=0x7f2ba6130a90, __fd=<optimized out>) at
/usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2 0x00007f2bd3771740 in g_wakeup_acknowledge (wakeup=0x7f2ba0002780) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gwakeup.c:210
#3 0x00007f2bd372de84 in g_main_context_check
(context=context@entry=0x7f2b1c000990, max_priority=2147483647,
fds=fds@entry=0x7f2b1c003120, n_fds=n_fds@entry=1) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3632
#4 0x00007f2bd372e340 in g_main_context_iterate
(context=context@entry=0x7f2b1c000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3837
#5 0x00007f2bd372e4ac in g_main_context_iteration (context=0x7f2b1c000990,
may_block=1) at /build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3901
#6 0x00007f2bd72c5a9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f2bd726cdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f2bd70898a4 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f2bda2b7ed6 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f2bd708e84e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f2bd617b6fa in start_thread (arg=0x7f2ba6131700) at
pthread_create.c:333
#12 0x00007f2bd69a4b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 10 (Thread 0x7f2bacb13700 (LWP 3348)):
#0 0x00007f2bd61813a0 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f2bdbcd6bd4 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2 0x00007f2bdbcd6c19 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3 0x00007f2bd617b6fa in start_thread (arg=0x7f2bacb13700) at
pthread_create.c:333
#4 0x00007f2bd69a4b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 9 (Thread 0x7f2bae456700 (LWP 3331)):
#0 0x00007f2bd6998e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f2bd372e39c in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7f2ba0003070, timeout=<optimized out>, context=0x7f2ba0000990) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:4135
#2 0x00007f2bd372e39c in g_main_context_iterate
(context=context@entry=0x7f2ba0000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3835
#3 0x00007f2bd372e4ac in g_main_context_iteration (context=0x7f2ba0000990,
may_block=1) at /build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3901
#4 0x00007f2bd72c5a9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f2bd726cdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f2bd70898a4 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f2bd99313c5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f2bd708e84e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f2bd617b6fa in start_thread (arg=0x7f2bae456700) at
pthread_create.c:333
#10 0x00007f2bd69a4b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 8 (Thread 0x7f2bb0239700 (LWP 3329)):
#0 0x00007f2bd6998e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f2bd372e39c in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7f2ba8002e70, timeout=<optimized out>, context=0x7f2ba8000990) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:4135
#2 0x00007f2bd372e39c in g_main_context_iterate
(context=context@entry=0x7f2ba8000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3835
#3 0x00007f2bd372e4ac in g_main_context_iteration (context=0x7f2ba8000990,
may_block=1) at /build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3901
#4 0x00007f2bd72c5a9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f2bd726cdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f2bd70898a4 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f2bd99313c5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f2bd708e84e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f2bd617b6fa in start_thread (arg=0x7f2bb0239700) at
pthread_create.c:333
#10 0x00007f2bd69a4b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 7 (Thread 0x7f2bb462a700 (LWP 3327)):
#0 0x00007f2bd61813a0 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f2bbe329aa3 in () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#2 0x00007f2bbe329907 in () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#3 0x00007f2bd617b6fa in start_thread (arg=0x7f2bb462a700) at
pthread_create.c:333
#4 0x00007f2bd69a4b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 6 (Thread 0x7f2bb4e2b700 (LWP 3326)):
#0 0x00007f2bd61813a0 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f2bbe329aa3 in () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#2 0x00007f2bbe329907 in () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#3 0x00007f2bd617b6fa in start_thread (arg=0x7f2bb4e2b700) at
pthread_create.c:333
#4 0x00007f2bd69a4b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 5 (Thread 0x7f2bb562c700 (LWP 3325)):
#0 0x00007f2bd61813a0 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f2bbe329aa3 in () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#2 0x00007f2bbe329907 in () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#3 0x00007f2bd617b6fa in start_thread (arg=0x7f2bb562c700) at
pthread_create.c:333
#4 0x00007f2bd69a4b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 4 (Thread 0x7f2bbcdc9700 (LWP 3324)):
#0 0x00007f2bd61813a0 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f2bbe329aa3 in () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#2 0x00007f2bbe329907 in () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#3 0x00007f2bd617b6fa in start_thread (arg=0x7f2bbcdc9700) at
pthread_create.c:333
#4 0x00007f2bd69a4b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3 (Thread 0x7f2bc4dc6700 (LWP 3302)):
#0 0x00007f2bd6998e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f2bd372e39c in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7f2bb8003070, timeout=<optimized out>, context=0x7f2bb8000990) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:4135
#2 0x00007f2bd372e39c in g_main_context_iterate
(context=context@entry=0x7f2bb8000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3835
#3 0x00007f2bd372e4ac in g_main_context_iteration (context=0x7f2bb8000990,
may_block=1) at /build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3901
#4 0x00007f2bd72c5a9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f2bd726cdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f2bd70898a4 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f2bd99313c5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f2bd708e84e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f2bd617b6fa in start_thread (arg=0x7f2bc4dc6700) at
pthread_create.c:333
#10 0x00007f2bd69a4b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 2 (Thread 0x7f2bc75d4700 (LWP 3294)):
#0 0x00007f2bd6998e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f2bdaa5dc62 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f2bdaa5f8d7 in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f2bc9722629 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f2bd708e84e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f2bd617b6fa in start_thread (arg=0x7f2bc75d4700) at
pthread_create.c:333
#6 0x00007f2bd69a4b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 1 (Thread 0x7f2bdc2938c0 (LWP 3284)):
[KCrash Handler]
#6 0x00007f2bd69f3c00 in __memmove_ssse3 () at
../sysdeps/x86_64/multiarch/memcpy-ssse3.S:114
#7 0x00007f2bbdfb94ad in () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#8 0x00007f2bbdfb7d95 in () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#9 0x00007f2bc42c6c1f in () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#10 0x00007f2bc42c7e44 in () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#11 0x00007f2bc42c8803 in () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#12 0x00007f2bc42c8d24 in () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#13 0x00007f2bda3562d8 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) ()
at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f2bda356b4b in QQuickWindowPrivate::updateDirtyNodes() () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f2bda356cc0 in QQuickWindowPrivate::syncSceneGraph() () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f2bda32512c in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f2bda326aa6 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f2bd75ba2f5 in QWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f2bda360871 in QQuickWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f2bdbe072db in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#21 0x00007f2bc42c0c45 in () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#22 0x00007f2bd7d7205c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f2bd7d77516 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f2bd726f62b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f2bd75b24ec in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#26 0x00007f2bd75b325d in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#27 0x00007f2bd7596f38 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#28 0x00007f2bc9754070 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#29 0x00007f2bd372e1a7 in g_main_context_dispatch (context=0x7f2bc00016f0) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3154
#30 0x00007f2bd372e1a7 in g_main_context_dispatch
(context=context@entry=0x7f2bc00016f0) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3769
#31 0x00007f2bd372e400 in g_main_context_iterate
(context=context@entry=0x7f2bc00016f0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3840
#32 0x00007f2bd372e4ac in g_main_context_iteration (context=0x7f2bc00016f0,
may_block=1) at /build/glib2.0-7IO_Yw/glib2.0-2.48.1/./glib/gmain.c:3901
#33 0x00007f2bd72c5a7f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f2bd726cdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f2bd7274e8c in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x0000000000432d4a in main(int, char**) (argc=2, argv=<optimized out>) at
/build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/main.cpp:181
Reported using DrKonqi
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