[kde] [Bug 378886] New: Crash when closing the notification that a panel was just removed

Mike bugzilla_noreply at kde.org
Mon Apr 17 19:19:53 BST 2017 

https://bugs.kde.org/show_bug.cgi?id=378886

            Bug ID: 378886
           Summary: Crash when closing the notification that a panel was
                    just removed
           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: noeerover at gmail.com
  Target Milestone: ---

Application: plasmashell (5.9.90)

Qt Version: 5.8.0
Frameworks Version: 5.33.0
Operating System: Linux 4.10.9-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:

I had just removed a panel that I was using to play with Latte Dock.  The
generic "panel removed" notification appeared and I closed it, then the plasma
crash.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f73f3e628c0 (LWP 25455))]

Thread 7 (Thread 0x7f733629d700 (LWP 25661)):
#0  0x00007f73ed5417bd in poll () at /lib64/libc.so.6
#1  0x00007f73e8120a86 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f73e8120b9c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f73ede4f91b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f73eddfc52a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f73edc3aa5b in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f733785bdf7 in KCupsConnection::run() () at
/usr/lib64/libkcupslib.so
#7  0x00007f73edc3f469 in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#8  0x00007f73ecaf1537 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f73ed54b04f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f73511b7700 (LWP 25618)):
#0  0x00007f73ecaf79a6 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f735484c0da in  () at /usr/lib64/dri/r600_dri.so
#2  0x00007f735484bed7 in  () at /usr/lib64/dri/r600_dri.so
#3  0x00007f73ecaf1537 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f73ed54b04f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f73d6291700 (LWP 25616)):
#0  0x00007f73ecaf79a6 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f73f354b9d4 in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f73f354ba19 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f73ecaf1537 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f73ed54b04f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f73d8139700 (LWP 25579)):
#0  0x00007f73ede4f0f0 in postEventSourcePrepare(_GSource*, int*) () at
/usr/lib64/libQt5Core.so.5
#1  0x00007f73e811ff7d in g_main_context_prepare () at
/usr/lib64/libglib-2.0.so.0
#2  0x00007f73e81209ab in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f73e8120b9c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007f73ede4f91b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007f73eddfc52a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f73edc3aa5b in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f73f0cdf925 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f73edc3f469 in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#9  0x00007f73ecaf1537 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f73ed54b04f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f73d99dd700 (LWP 25510)):
#0  0x00007f73ed5417bd in poll () at /lib64/libc.so.6
#1  0x00007f73e8120a86 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f73e8120b9c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f73ede4f91b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f73eddfc52a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f73edc3aa5b in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f73f0cdf925 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f73edc3f469 in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#8  0x00007f73ecaf1537 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f73ed54b04f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f73e0fc5700 (LWP 25470)):
#0  0x00007f73ed5417bd in poll () at /lib64/libc.so.6
#1  0x00007f73e8120a86 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f73e8120b9c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f73ede4f91b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f73eddfc52a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f73edc3aa5b in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f73ee266315 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f73edc3f469 in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#8  0x00007f73ecaf1537 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f73ed54b04f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f73f3e628c0 (LWP 25455)):
[KCrash Handler]
#6  0x00007f7338bbb747 in  () at
/usr/lib64/qt5/plugins/plasma/applets/plasma_applet_notifications.so
#7  0x00007f73ede2823e in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#8  0x000000000043d584 in  ()
#9  0x00007f73ede2823e in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#10 0x00007f73ede2886f in QObject::destroyed(QObject*) () at
/usr/lib64/libQt5Core.so.5
#11 0x00007f73ede2f485 in QObject::~QObject() () at /usr/lib64/libQt5Core.so.5
#12 0x00007f73f1fd98a9 in Plasma::Containment::~Containment() (this=0x3f12140,
__in_chrg=<optimized out>) at
/usr/src/debug/plasma-framework-5.34.0git.20170414T035703~9560105/src/plasma/containment.cpp:95
#13 0x00007f73ede28cc8 in QObject::event(QEvent*) () at
/usr/lib64/libQt5Core.so.5
#14 0x00007f73eed6687c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#15 0x00007f73eed6dac1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#16 0x00007f73eddfdfa8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#17 0x00007f73ede0060d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#18 0x00007f73ede4f4f3 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /usr/lib64/libQt5Core.so.5
#19 0x00007f73e8120887 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#20 0x00007f73e8120af0 in  () at /usr/lib64/libglib-2.0.so.0
#21 0x00007f73e8120b9c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#22 0x00007f73ede4f8ff in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#23 0x00007f73eddfc52a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#24 0x00007f73ede04684 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#25 0x000000000041ec42 in  ()
#26 0x00007f73ed47e541 in __libc_start_main () at /lib64/libc.so.6
#27 0x000000000041efca in _start ()

Reported using DrKonqi

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