Bug 406169

Summary: Network Manager crash when disconnecting from USB modem
Product: [Plasma] plasmashell Reporter: Isira Seneviratne <isirasen96>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.15.3   
Target Milestone: 1.0   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Isira Seneviratne 2019-04-03 04:32:02 UTC 
Application: plasmashell (5.15.3)

Qt Version: 5.12.2
Frameworks Version: 5.56.0
Operating System: Linux 5.0.5-arch1-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I disconnected from my USB 3G modem when a dialog appeared stating that a crash had occurred.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f66e4d40880 (LWP 700))]

Thread 16 (Thread 0x7f667b273700 (LWP 14496)):
#0  0x00007f66e8de4afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f66e9ae6c4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f66e9ae6d3a in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f66eb83691d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f66eb836b8c in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f66b49c3700 (LWP 2710)):
#0  0x00007f66e8de4afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f66e9ae6c4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f66e9ae6d3a in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f66eb83691d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f66eb836b8c in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f66b52ad700 (LWP 2685)):
#0  0x00007f66e8de4afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f66e9ae6c4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f66e9ae6d3a in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f66eb83691d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f66eb836b8c in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f66b5b68700 (LWP 1690)):
#0  0x00007f66e97bfc21 in poll () at /usr/lib/libc.so.6
#1  0x00007f66d0111673 in  () at /usr/lib/libpulse.so.0
#2  0x00007f66d0102990 in pa_mainloop_poll () at /usr/lib/libpulse.so.0
#3  0x00007f66d0102fe0 in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007f66d0103091 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007f66d01115ae in  () at /usr/lib/libpulse.so.0
#6  0x00007f66c3bcd9fc in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#7  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f66b73fe700 (LWP 909)):
#0  0x00007f66e8de4afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f66e9ae6c4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f66e9ae6d3a in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f66eb83691d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f66eb836b8c in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f66b63fc700 (LWP 887)):
[KCrash Handler]
#6  0x00007f66eb800e10 in QSGSimpleTextureNode::texture() const () at /usr/lib/libQt5Quick.so.5
#7  0x00007f66d1aa6055 in  () at /usr/lib/qt/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#8  0x00007f66e9cc7980 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#9  0x00007f66eb88ba03 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib/libQt5Quick.so.5
#10 0x00007f66eb832d90 in  () at /usr/lib/libQt5Quick.so.5
#11 0x00007f66eb836b48 in  () at /usr/lib/libQt5Quick.so.5
#12 0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f66b6bfd700 (LWP 863)):
#0  0x00007f66e8de4afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f66e9ae6c4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f66e9ae6d3a in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f66eb83691d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f66eb836b8c in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f66b7fff700 (LWP 835)):
#0  0x00007f66e8de4afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f66e9ae6c4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f66e9ae6d3a in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f66eb83691d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f66eb836b8c in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f66bd36f700 (LWP 823)):
#0  0x00007f66e97bfc21 in poll () at /usr/lib/libc.so.6
#1  0x00007f66e7e8a690 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f66e7e8a77e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f66e9cf2cb4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f66e9c9ba8c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f66e9adf569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f66be75835a in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f66d0d9d700 (LWP 799)):
#0  0x00007f66e8de4afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f66e9ae6c4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f66e9ae6d3a in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f66eb83691d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f66eb836b8c in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f66d159e700 (LWP 797)):
#0  0x00007f66e97bfc21 in poll () at /usr/lib/libc.so.6
#1  0x00007f66e7e8a690 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f66e7e8a77e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f66e9cf2cb4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f66e9c9ba8c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f66e9adf569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f66eb7aee7b in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f66d355a700 (LWP 796)):
#0  0x00007f66e8de4afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f66d37ac254 in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f66d37abf78 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f66e1f53700 (LWP 795)):
#0  0x00007f66e97d81e6 in __libc_disable_asynccancel () at /usr/lib/libc.so.6
#1  0x00007f66e97bb7b9 in read () at /usr/lib/libc.so.6
#2  0x00007f66e7e38961 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f66e7e88e40 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#4  0x00007f66e7e8a636 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f66e7e8a77e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#6  0x00007f66e9cf2cb4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f66e9c9ba8c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#8  0x00007f66e9adf569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#9  0x00007f66eb4e7109 in  () at /usr/lib/libQt5Qml.so.5
#10 0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f66e319e700 (LWP 745)):
#0  0x00007f66e97d8183 in __libc_enable_asynccancel () at /usr/lib/libc.so.6
#1  0x00007f66e97bb795 in read () at /usr/lib/libc.so.6
#2  0x00007f66e7e38961 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f66e7e88e40 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#4  0x00007f66e7e8a636 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f66e7e8a77e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#6  0x00007f66e9cf2cb4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f66e9c9ba8c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#8  0x00007f66e9adf569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#9  0x00007f66ea57bba6 in  () at /usr/lib/libQt5DBus.so.5
#10 0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f66e3f67700 (LWP 713)):
#0  0x00007f66e97bfc21 in poll () at /usr/lib/libc.so.6
#1  0x00007f66ebc2b630 in  () at /usr/lib/libxcb.so.1
#2  0x00007f66ebc2d2db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f66e490f989 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f66e9ae096c in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f66e8ddea9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f66e97cab23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f66e4d40880 (LWP 700)):
#0  0x00007f66e8de4afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f66e9ae6c4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f66e9ae6d3a in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f66eb833913 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f66eb83452a in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f66eb897ea6 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#6  0x00007f66ebfe14a4 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/libKF5PlasmaQuick.so.5
#7  0x00007f66ea7dde24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#8  0x00007f66ea7e55f1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#9  0x00007f66e9c9cdf9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#10 0x00007f66ea063a48 in QPlatformWindow::windowEvent(QEvent*) () at /usr/lib/libQt5Gui.so.5
#11 0x00007f66ea7e56f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#12 0x00007f66e9c9cdf9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#13 0x00007f66e9cf2045 in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#14 0x00007f66e9cf290a in  () at /usr/lib/libQt5Core.so.5
#15 0x00007f66e7e887bf in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#16 0x00007f66e7e8a739 in  () at /usr/lib/libglib-2.0.so.0
#17 0x00007f66e7e8a77e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#18 0x00007f66e9cf2c99 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#19 0x00007f66e9c9ba8c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#20 0x00007f66e9ca3de6 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#21 0x0000556454bdcdbe in  ()
#22 0x00007f66e96f3223 in __libc_start_main () at /usr/lib/libc.so.6
#23 0x0000556454bdd26e in _start ()
[Inferior 1 (process 700) detached]

Reported using DrKonqi
Comment 1 Christoph Feck 2019-04-25 18:06:42 UTC 

*** This bug has been marked as a duplicate of bug 403727 ***