https://bugs.kde.org/show_bug.cgi?id=369142

            Bug ID: 369142
           Summary: plasma crashed when i loging to system
           Product: plasmashell
           Version: 5.7.5
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: appweb...@gmail.com
                CC: bhus...@gmail.com, plasma-b...@kde.org

Application: plasmashell (5.7.5)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.7.3-200.fc24.x86_64+debug x86_64
Distribution: "Fedora release 24 (Twenty Four)"

-- Information about the crash:
ep 21 10:10:34 sled.mashine kwin_x11[2021]: QXcbConnection: XCB error: 3
(BadWindow), sequence: 43680, resource id: 25170182, major code: 20
(GetProperty), minor code: 0
Sep 21 10:10:34 sled.mashine kwin_x11[2021]: QXcbConnection: XCB error: 3
(BadWindow), sequence: 43697, resource id: 25170182, major code: 20
(GetProperty), minor code: 0
Sep 21 10:11:03 sled.mashine plasmashell[2824]: QXcbConnection: XCB error: 2
(BadValue), sequence: 9611, resource id: 12582915, major code: 141 (Unknown),
minor code: 3
Sep 21 10:11:15 sled.mashine kwin_x11[2021]: QXcbConnection: XCB error: 3
(BadWindow), sequence: 50064, resource id: 25170484, major code: 20
(GetProperty), minor code: 0
Sep 21 10:11:15 sled.mashine kwin_x11[2021]: QXcbConnection: XCB error: 3
(BadWindow), sequence: 50081, resource id: 25170484, major code: 20
(GetProperty), minor code: 0
Sep 21 10:11:28 sled.mashine systemd[1]: Starting Cleanup of Temporary
Directories...
-- Subject: Unit systemd-tmpfiles-clean.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit systemd-tmpfiles-clean.service has begun starting up.
Sep 21 10:11:29 sled.mashine systemd[1]: Started Cleanup of Temporary
Directories.
-- Subject: Unit systemd-tmpfiles-clean.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit systemd-tmpfiles-clean.service has finished starting up.
-- 
-- The start-up result is done.
Sep 21 10:11:29 sled.mashine audit[1]: SERVICE_START pid=1 uid=0
auid=4294967295 ses=4294967295 msg='unit=systemd-tmpfiles-clean comm="systemd"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Sep 21 10:11:29 sled.mashine audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295
ses=4294967295 msg='unit=systemd-tmpfiles-clean comm="systemd"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Sep 21 10:12:30 sled.mashine drkonqi[2825]: "Tag 'strong' is not defined in
message {<__kuit_internal_top__><strong>Examples of good titles:</strong><nl
/>\"Plasma cr...}."
Sep 21 10:12:36 sled.mashine drkonqi[2825]: "Tag 'strong' is not defined in
message {<__kuit_internal_top__><strong>Examples of good titles:</strong><nl
/>\"Plasma cr...}."
Sep 21 10:13:36 sled.mashine plasmashell[2824]: QXcbConnection: XCB error: 2
(BadValue), sequence: 12794, resource id: 94371968, major code: 141 (Unknown),
minor code: 3
Sep 21 10:13:46 sled.mashine plasmashell[2824]: QXcbConnection: XCB error: 2
(BadValue), sequence: 13276, resource id: 12582915, major code: 141 (Unknown),
minor code: 3
Sep 21 10:13:47 sled.mashine plasmashell[2824]: QXcbConnection: XCB error: 2
(BadValue), sequence: 13328, resource id: 31457310, major code: 141 (Unknown),
minor code: 3
Sep 21 10:13:50 sled.mashine krunner[2038]:

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fda96a22940 (LWP 2047))]

Thread 8 (Thread 0x7fd9e06fb700 (LWP 2600)):
#0  0x00007fdaa543804d in read () at /lib64/libc.so.6
#1  0x00007fdaa0bad660 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007fdaa0b6a4d6 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007fdaa0b6a9a4 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4  0x00007fdaa0b6ab1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5  0x00007fdaa624124b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#6  0x00007fdaa61f05ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#7  0x00007fdaa604f343 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007fd9e22d32e7 in KCupsConnection::run() () at /lib64/libkcupslib.so
#9  0x00007fdaa605399a in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#10 0x00007fdaa47995ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fdaa5447f6d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fd9f0ccd700 (LWP 2364)):
#0  0x00007fdaa543c3ed in poll () at /lib64/libc.so.6
#1  0x00007fdaa0b6aa06 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007fdaa0b6ab1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007fdaa624124b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007fdaa61f05ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007fdaa604f343 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fdaa9cb1c66 in QQuickPixmapReader::run() () at
/lib64/libQt5Quick.so.5
#7  0x00007fdaa605399a in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007fdaa47995ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fdaa5447f6d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fda7faf7700 (LWP 2305)):
#0  0x00007fdaa543c3ed in poll () at /lib64/libc.so.6
#1  0x00007fdaa0b6aa06 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007fdaa0b6ab1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007fdaa624124b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007fdaa61f05ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007fdaa604f343 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fdaa93288f5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007fdaa605399a in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007fdaa47995ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fdaa5447f6d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fda84d52700 (LWP 2239)):
#0  0x00007fdaa479ebd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fdaabb46bc4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib64/libQt5Script.so.5
#2  0x00007fdaabb46c09 in  () at /lib64/libQt5Script.so.5
#3  0x00007fdaa47995ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007fdaa5447f6d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fda863b0700 (LWP 2238)):
#0  0x00007fdaa0baea09 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007fdaa0b69f65 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fdaa0b6a92b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#3  0x00007fdaa0b6ab1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#4  0x00007fdaa624124b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#5  0x00007fdaa61f05ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#6  0x00007fdaa604f343 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fdaa93288f5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007fdaa605399a in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#9  0x00007fdaa47995ca in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdaa5447f6d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fda87df5700 (LWP 2055)):
#0  0x00007fdaa0b67a17 in g_source_iter_next () at /lib64/libglib-2.0.so.0
#1  0x00007fdaa0b69efb in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fdaa0b6a92b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#3  0x00007fdaa0b6ab1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#4  0x00007fdaa624124b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#5  0x00007fdaa61f05ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#6  0x00007fdaa604f343 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fdaa693d559 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#8  0x00007fdaa605399a in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#9  0x00007fdaa47995ca in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdaa5447f6d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fda8d472700 (LWP 2054)):
#0  0x00007fdaa543c3ed in poll () at /lib64/libc.so.6
#1  0x00007fdaaa46ef80 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007fdaaa470b79 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007fda8ffaeda9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007fdaa605399a in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#5  0x00007fdaa47995ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fdaa5447f6d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fda96a22940 (LWP 2047)):
[KCrash Handler]
#6  0x00007fdaa9d34624 in QQuickItem::isEnabled() const () at
/lib64/libQt5Quick.so.5
#7  0x00007fdaa9d5006c in QQuickWindowPrivate::setFocusInScope(QQuickItem*,
QQuickItem*, Qt::FocusReason, QFlags<QQuickWindowPrivate::FocusOption>) () at
/lib64/libQt5Quick.so.5
#8  0x00007fdaa9d36cb8 in QQuickItem::setFocus(bool, Qt::FocusReason) () at
/lib64/libQt5Quick.so.5
#9  0x00007fdaa9d48c00 in QQuickWindow::focusInEvent(QFocusEvent*) () at
/lib64/libQt5Quick.so.5
#10 0x00007fdaa65392f3 in QWindow::event(QEvent*) () at /lib64/libQt5Gui.so.5
#11 0x00007fdaa9d56383 in QQuickWindow::event(QEvent*) () at
/lib64/libQt5Quick.so.5
#12 0x000055c5c226cbb3 in DesktopView::event(QEvent*) ()
#13 0x00007fdaa6b0fc0c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#14 0x00007fdaa6b150ef in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#15 0x00007fdaa61f17aa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#16 0x00007fdaa652f43e in
QGuiApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent*)
() at /lib64/libQt5Gui.so.5
#17 0x00007fdaa652f7bd in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /lib64/libQt5Gui.so.5
#18 0x00007fdaa65103cb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib64/libQt5Gui.so.5
#19 0x00007fda8ffe5600 in userEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQt5XcbQpa.so.5
#20 0x00007fdaa0b6a6ba in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#21 0x00007fdaa0b6aa70 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#22 0x00007fdaa0b6ab1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#23 0x00007fdaa624122f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#24 0x00007fdaa61f05ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#25 0x00007fdaa61f817c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#26 0x000055c5c225efef in main ()

Reported using DrKonqi

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