[kde] [Bug 357317] New: Plasma crash on quit

Kai Uwe Broulik via KDE Bugzilla bugzilla_noreply at kde.org
Tue Dec 29 22:22:44 GMT 2015 

https://bugs.kde.org/show_bug.cgi?id=357317

            Bug ID: 357317
           Summary: Plasma crash on quit
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: kde at privat.broulik.de

Application: plasmashell (5.5.90)

Qt Version: 5.5.1
Operating System: Linux 4.2.0-19-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
I ran kquitapp plasmashell on Konsole and then it crashed..

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 0x7ff5bb976800 (LWP 18030))]

Thread 9 (Thread 0x7ff5a66a5700 (LWP 18031)):
#0  0x00007ff5b5dec8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff5ba0b1bd2 in poll (__timeout=-1, __nfds=1, __fds=0x7ff5a66a4cc0)
at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  _xcb_conn_wait (c=c at entry=0x18cc5e0, cond=cond at entry=0x18cc620,
vector=vector at entry=0x0, count=count at entry=0x0) at ../../src/xcb_conn.c:459
#3  0x00007ff5ba0b374f in xcb_wait_for_event (c=0x18cc5e0) at
../../src/xcb_in.c:623
#4  0x00007ff5a87ee7e9 in QXcbEventReader::run (this=0x18d6c40) at
qxcbconnection.cpp:1229
#5  0x00007ff5b64e2a6e in QThreadPrivate::start (arg=0x18d6c40) at
thread/qthread_unix.cpp:331
#6  0x00007ff5b55ce6aa in start_thread (arg=0x7ff5a66a5700) at
pthread_create.c:333
#7  0x00007ff5b5df7eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7ff59fbd6700 (LWP 18036)):
#0  socketNotifierSourcePrepare (timeout=0x7ff59fbd5be4) at
kernel/qeventdispatcher_glib.cpp:64
#1  0x00007ff5b2a7b77d in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff5b2a7c11b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff5b2a7c2fc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff5b671a50b in QEventDispatcherGlib::processEvents
(this=0x7ff5980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007ff5b66c150a in QEventLoop::exec (this=this at entry=0x7ff59fbd5da0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#6  0x00007ff5b64ddac4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#7  0x00007ff5b8eddc35 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007ff5b64e2a6e in QThreadPrivate::start (arg=0x19b9810) at
thread/qthread_unix.cpp:331
#9  0x00007ff5b55ce6aa in start_thread (arg=0x7ff59fbd6700) at
pthread_create.c:333
#10 0x00007ff5b5df7eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7ff594807700 (LWP 18062)):
#0  0x00007ff5b5dec8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff5b2a7c1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff5b2a7c2fc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff5b671a50b in QEventDispatcherGlib::processEvents
(this=0x7ff5900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007ff5b66c150a in QEventLoop::exec (this=this at entry=0x7ff594806da0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#5  0x00007ff5b64ddac4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#6  0x00007ff5b8eddc35 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ff5b64e2a6e in QThreadPrivate::start (arg=0x1c6a180) at
thread/qthread_unix.cpp:331
#8  0x00007ff5b55ce6aa in start_thread (arg=0x7ff594807700) at
pthread_create.c:333
#9  0x00007ff5b5df7eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7ff58e6d2700 (LWP 18079)):
#0  0x00007ff5b2ac0869 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff5b2a7b180 in g_main_context_acquire () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff5b2a7c0a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff5b2a7c2fc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff5b671a50b in QEventDispatcherGlib::processEvents
(this=0x7ff5880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007ff5b66c150a in QEventLoop::exec (this=this at entry=0x7ff58e6d1da0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#6  0x00007ff5b64ddac4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#7  0x00007ff5b8eddc35 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007ff5b64e2a6e in QThreadPrivate::start (arg=0x1dc1ee0) at
thread/qthread_unix.cpp:331
#9  0x00007ff5b55ce6aa in start_thread (arg=0x7ff58e6d2700) at
pthread_create.c:333
#10 0x00007ff5b5df7eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7ff58cd42700 (LWP 18094)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff5bb3c4194 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007ff5bb3c41d9 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007ff5b55ce6aa in start_thread (arg=0x7ff58cd42700) at
pthread_create.c:333
#4  0x00007ff5b5df7eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7ff505c5f700 (LWP 18109)):
#0  0x00007ff5b2a7b620 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff5b2a7c11b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff5b2a7c2fc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff5b671a50b in QEventDispatcherGlib::processEvents
(this=0x7ff5000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007ff5b66c150a in QEventLoop::exec (this=this at entry=0x7ff505c5ed50,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#5  0x00007ff5b64ddac4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#6  0x00007ff5b98c32a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007ff5b64e2a6e in QThreadPrivate::start (arg=0x21d36c0) at
thread/qthread_unix.cpp:331
#8  0x00007ff5b55ce6aa in start_thread (arg=0x7ff505c5f700) at
pthread_create.c:333
#9  0x00007ff5b5df7eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7ff4f64ac700 (LWP 18122)):
#0  0x00007ff5b2ac0869 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff5b2a7c1d2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff5b2a7c2fc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff5b671a50b in QEventDispatcherGlib::processEvents
(this=0x7ff4f00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007ff5b66c150a in QEventLoop::exec (this=this at entry=0x7ff4f64abd80,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#5  0x00007ff5b64ddac4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#6  0x00007ff4f87438f7 in KCupsConnection::run() () from
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007ff5b64e2a6e in QThreadPrivate::start (arg=0x467a360) at
thread/qthread_unix.cpp:331
#8  0x00007ff5b55ce6aa in start_thread (arg=0x7ff4f64ac700) at
pthread_create.c:333
#9  0x00007ff5b5df7eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7ff4ea103700 (LWP 19987)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007ff5b64e3c46 in QWaitConditionPrivate::wait_relative (time=30000,
this=0x487d610) at thread/qwaitcondition_unix.cpp:126
#2  QWaitConditionPrivate::wait (time=30000, this=0x487d610) at
thread/qwaitcondition_unix.cpp:134
#3  QWaitCondition::wait (this=this at entry=0x46f6e80,
mutex=mutex at entry=0x50fdfd0, time=30000) at thread/qwaitcondition_unix.cpp:208
#4  0x00007ff5b64df6f3 in QThreadPoolThread::run (this=0x46f6e70) at
thread/qthreadpool.cpp:127
#5  0x00007ff5b64e2a6e in QThreadPrivate::start (arg=0x46f6e70) at
thread/qthread_unix.cpp:331
#6  0x00007ff5b55ce6aa in start_thread (arg=0x7ff4ea103700) at
pthread_create.c:333
#7  0x00007ff5b5df7eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7ff5bb976800 (LWP 18030)):
[KCrash Handler]
#6  0x0000000000000030 in ?? ()
#7  0x00007ff5b66cb9d9 in QMetaObject::cast(QObject*) const () at
kernel/qmetaobject.cpp:312
#8  0x00007ff5b92c07fb in qobject_cast<QAction*> (object=0x4067200) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qobject.h:518
#9  0x00007ff5b92c442f in KActionConflictDetector::eventFilter (this=0x18ff3e0,
watched=0x4067200, event=0x7fff166a9560) at
/home/kaiuwe/Projekte/kf5/src/frameworks/kxmlgui/src/kactionconflictdetector.cpp:44
#10 0x00007ff5b66c3a32 in
QCoreApplicationPrivate::sendThroughApplicationEventFilters
(this=this at entry=0x18bf5b0, receiver=receiver at entry=0x4067200,
event=event at entry=0x7fff166a9560) at kernel/qcoreapplication.cpp:1053
#11 0x00007ff5b71d1968 in QApplicationPrivate::notify_helper
(this=this at entry=0x18bf5b0, receiver=receiver at entry=0x4067200,
e=e at entry=0x7fff166a9560) at kernel/qapplication.cpp:3691
#12 0x00007ff5b71d6ea6 in QApplication::notify (this=0x7fff166aa0d0,
receiver=0x4067200, e=0x7fff166a9560) at kernel/qapplication.cpp:3499
#13 0x00007ff5b66c3d7b in QCoreApplication::notifyInternal
(this=0x7fff166aa0d0, receiver=0x4067200, event=0x7fff166a9560) at
kernel/qcoreapplication.cpp:965
#14 0x00007ff5b99639cc in QQuickWindow::sendEvent(QQuickItem*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007ff5b99659a4 in QQuickWindowPrivate::clearFocusInScope(QQuickItem*,
QQuickItem*, Qt::FocusReason, QFlags<QQuickWindowPrivate::FocusOption>) () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007ff5b9955afb in QQuickItem::setParentItem(QQuickItem*) () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007ff5b9956026 in QQuickItem::~QQuickItem() () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007ff5067e4050 in DeclarativeDropArea::~DeclarativeDropArea() () from
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/draganddrop/libdraganddropplugin.so
#19 0x00007ff5067e6023 in
QQmlPrivate::QQmlElement<DeclarativeDropArea>::~QQmlElement() () from
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/draganddrop/libdraganddropplugin.so
#20 0x00007ff5067e6058 in
QQmlPrivate::QQmlElement<DeclarativeDropArea>::~QQmlElement() () from
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/draganddrop/libdraganddropplugin.so
#21 0x00007ff5bb4eeff3 in PlasmaQuick::AppletQuickItem::~AppletQuickItem() ()
from /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#22 0x00007ff58e6e67cd in AppletInterface::~AppletInterface() () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#23 0x00007ff58e705ff9 in ContainmentInterface::~ContainmentInterface() () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#24 0x00007ff58e706032 in ContainmentInterface::~ContainmentInterface() () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#25 0x00007ff5b66f0e5b in QObjectPrivate::deleteChildren
(this=this at entry=0x1e52600) at kernel/qobject.cpp:1946
#26 0x00007ff5b66fa6c0 in QObject::~QObject (this=<optimized out>,
__in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#27 0x00007ff5b9e6431c in Plasma::ScriptEngine::~ScriptEngine() () from
/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#28 0x00007ff5b9e6347e in Plasma::AppletScript::~AppletScript() () from
/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#29 0x00007ff58e6e1c1a in DeclarativeAppletScript::~DeclarativeAppletScript()
() from
/usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#30 0x00007ff58e6e1c4a in DeclarativeAppletScript::~DeclarativeAppletScript()
() from
/usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#31 0x00007ff5b9e0bd61 in Plasma::AppletPrivate::~AppletPrivate() () from
/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#32 0x00007ff5b9e0becc in Plasma::AppletPrivate::~AppletPrivate() () from
/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#33 0x00007ff5b9df7102 in Plasma::Applet::~Applet() () from
/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#34 0x00007ff5b9dfc353 in Plasma::Containment::~Containment() () from
/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#35 0x00007ff5b9dfc382 in Plasma::Containment::~Containment() () from
/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#36 0x00000000004a8236 in void
qDeleteAll<QList<Plasma::Containment*>::const_iterator>(QList<Plasma::Containment*>::const_iterator,
QList<Plasma::Containment*>::const_iterator) ()
#37 0x00000000004a39f9 in void qDeleteAll<QList<Plasma::Containment*>
>(QList<Plasma::Containment*> const&) ()
#38 0x0000000000493810 in ShellCorona::~ShellCorona() ()
#39 0x0000000000493978 in ShellCorona::~ShellCorona() ()
#40 0x00007ff5b66f0e5b in QObjectPrivate::deleteChildren
(this=this at entry=0x19a2330) at kernel/qobject.cpp:1946
#41 0x00007ff5b66fa6c0 in QObject::~QObject (this=<optimized out>,
__in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#42 0x00000000004b307c in ShellManager::~ShellManager() ()
#43 0x00000000004b30ac in ShellManager::~ShellManager() ()
#44 0x00007ff5b66f37d0 in QObject::event (this=0x1973d20, e=<optimized out>) at
kernel/qobject.cpp:1230
#45 0x00007ff5b71d19dc in QApplicationPrivate::notify_helper
(this=this at entry=0x18bf5b0, receiver=receiver at entry=0x1973d20,
e=e at entry=0x48b0de0) at kernel/qapplication.cpp:3716
#46 0x00007ff5b71d6ea6 in QApplication::notify (this=0x7fff166aa0d0,
receiver=0x1973d20, e=0x48b0de0) at kernel/qapplication.cpp:3499
#47 0x00007ff5b66c3d7b in QCoreApplication::notifyInternal
(this=0x7fff166aa0d0, receiver=0x1973d20, event=event at entry=0x48b0de0) at
kernel/qcoreapplication.cpp:965
#48 0x00007ff5b66c6176 in QCoreApplication::sendEvent (event=0x48b0de0,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#49 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver at entry=0x0,
event_type=event_type at entry=52, data=0x18b55d0) at
kernel/qcoreapplication.cpp:1593
#50 0x00007ff5b66c6658 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=52) at
kernel/qcoreapplication.cpp:1451
#51 0x00007ff5b66c9629 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1236
#52 0x0000000000470d78 in main ()

Possible duplicates by query: bug 347881.

Reported using DrKonqi

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