Bug 415532

Application: kinfocenter (5.17.4)

Qt Version: 5.13.2
Frameworks Version: 5.65.0
Operating System: Linux 5.0.0-37-generic x86_64
Distribution: KDE neon User Edition 5.17

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

I've just clicked the close button when the notification system showed up the crash report.

-- Backtrace:
Application: Info Center (kinfocenter), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0801520840 (LWP 15782))]

Thread 3 (Thread 0x7f07e3bf0700 (LWP 15785)):
#0  0x00007f07fd7cabf9 in __GI___poll (fds=0x7f07dc01ac80, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f07f70955c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f07f70956dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f07fe11db9b in QEventDispatcherGlib::processEvents (this=0x7f07dc000b40, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f07fe0be06a in QEventLoop::exec (this=this@entry=0x7f07e3befd30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f07fded93aa in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007f07fb7f70e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f07fdedab52 in QThreadPrivate::start (arg=0x7f07fba6ed80) at thread/qthread_unix.cpp:360
#8  0x00007f07f8e9c6db in start_thread (arg=0x7f07e3bf0700) at pthread_create.c:463
#9  0x00007f07fd7d788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f07ebe7a700 (LWP 15784)):
#0  0x00007f07fd7cabf9 in __GI___poll (fds=0x7f07ebe79c68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f07f94cb747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f07f94cd36a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f07eec5fe10 in QXcbEventQueue::run (this=0x55a2e9e09660) at qxcbeventqueue.cpp:228
#4  0x00007f07fdedab52 in QThreadPrivate::start (arg=0x55a2e9e09660) at thread/qthread_unix.cpp:360
#5  0x00007f07f8e9c6db in start_thread (arg=0x7f07ebe7a700) at pthread_create.c:463
#6  0x00007f07fd7d788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f0801520840 (LWP 15782)):
[KCrash Handler]
#6  QWeakPointer<QObject>::data (this=0x68) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:569
#7  QPointer<QObject>::data (this=0x68) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpointer.h:86
#8  Solid::DeviceInterfacePrivate::backendObject (this=0x60) at ./src/solid/devices/frontend/deviceinterface.cpp:110
#9  0x00007f07e9d34d08 in Solid::DevicePrivate::~DevicePrivate (this=0x55a2ea213b20, __in_chrg=<optimized out>) at ./src/solid/devices/frontend/device.cpp:222
#10 0x00007f07e9d34e89 in Solid::DevicePrivate::~DevicePrivate (this=0x55a2ea213b20, __in_chrg=<optimized out>) at ./src/solid/devices/frontend/device.cpp:225
#11 0x00007f07e9d364b0 in Solid::DeviceManagerPrivate::~DeviceManagerPrivate (this=0x55a2ea061b20, __in_chrg=<optimized out>) at ./src/solid/devices/frontend/devicemanager.cpp:58
#12 0x00007f07e9d36bf9 in Solid::DeviceManagerPrivate::~DeviceManagerPrivate (this=0x55a2ea061b20, __in_chrg=<optimized out>) at ./src/solid/devices/frontend/devicemanager.cpp:63
#13 0x00007f07fdee0a11 in QThreadStorageData::finish (p=0x55a2e9e05450) at thread/qthreadstorage.cpp:200
#14 0x00007f07fe0c2e42 in QCoreApplicationPrivate::cleanupThreadData (this=this@entry=0x55a2e9e06870) at kernel/qcoreapplication.cpp:521
#15 0x00007f07fe688098 in QGuiApplicationPrivate::~QGuiApplicationPrivate (this=0x55a2e9e06870, __in_chrg=<optimized out>) at kernel/qguiapplication.cpp:1622
#16 0x00007f07feec3799 in QApplicationPrivate::~QApplicationPrivate (this=0x55a2e9e06870, __in_chrg=<optimized out>) at kernel/qapplication.cpp:181
#17 0x00007f07fe0f815b in QScopedPointerDeleter<QObjectData>::cleanup (pointer=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:60
#18 QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::~QScopedPointer (this=0x7fffbeeab268, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:107
#19 QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:891
#20 0x00007f07fe0c24d6 in QCoreApplication::~QCoreApplication (this=0x7fffbeeab260, __in_chrg=<optimized out>) at kernel/qcoreapplication.cpp:897
#21 0x00007f07fe68bc0c in QGuiApplication::~QGuiApplication (this=0x7fffbeeab260, __in_chrg=<optimized out>) at kernel/qguiapplication.cpp:651
#22 0x00007f07feec5909 in QApplication::~QApplication (this=0x7fffbeeab260, __in_chrg=<optimized out>) at kernel/qapplication.cpp:773
#23 0x000055a2e87db303 in KicApp::~KicApp (this=0x7fffbeeab260, __in_chrg=<optimized out>) at ./main.h:34
#24 main (argc=<optimized out>, argv=<optimized out>) at ./main.cpp:75

The reporter indicates this bug may be a duplicate of or related to bug 414200.

Possible duplicates by query: bug 414915, bug 414842, bug 414594, bug 414483, bug 414200.

Reported using DrKonqi