Application: kdeinit5 ()

Qt Version: 5.5.1
Operating System: Linux 4.4.0-112-generic x86_64
Distribution: Ubuntu 16.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I was connecting a usb printer HP CM1312 nfi
nothing else. I can give any further piece of information needed. (my french is better than my english)

-- Backtrace:
Application: kdeinit5 (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb14fca0780 (LWP 1834))]

Thread 8 (Thread 0x7fb115455700 (LWP 12610)):
#0  0x00007fb14a066ed5 in ?? () from /usr/lib/nvidia-340/tls/libnvidia-tls.so.340.104
#1  0x00007fb13e26af61 in pa_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#2  0x00007fb13e8f7a2e in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fb13e8f84a0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fb13e8f8560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fb13e9067a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fb13e299078 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#7  0x00007fb14c1306ba in start_thread (arg=0x7fb115455700) at pthread_create.c:333
#8  0x00007fb14e40541d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fb117723700 (LWP 1940)):
#0  0x00007fb14e3f974d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fb14b40638c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb14b40649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb14e9a47eb in QEventDispatcherGlib::processEvents (this=0x7fb1100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb14e94bb4a in QEventLoop::exec (this=this@entry=0x7fb117722e40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb14e768834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fb14e76d7be in QThreadPrivate::start (arg=0x27ca420) at thread/qthread_unix.cpp:331
#7  0x00007fb14c1306ba in start_thread (arg=0x7fb117723700) at pthread_create.c:333
#8  0x00007fb14e40541d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fb125ed7700 (LWP 1861)):
#0  0x00007fb14e3f9727 in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fb14b40638c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb14b40649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb14e9a47eb in QEventDispatcherGlib::processEvents (this=0x7fb11c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb14e94bb4a in QEventLoop::exec (this=this@entry=0x7fb125ed6e40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb14e768834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fb14e76d7be in QThreadPrivate::start (arg=0x2616510) at thread/qthread_unix.cpp:331
#7  0x00007fb14c1306ba in start_thread (arg=0x7fb125ed7700) at pthread_create.c:333
#8  0x00007fb14e40541d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fb1266d8700 (LWP 1860)):
#0  0x00007fb14e3f974d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fb14b40638c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb14b40649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb14e9a47eb in QEventDispatcherGlib::processEvents (this=0x7fb1180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb14e94bb4a in QEventLoop::exec (this=this@entry=0x7fb1266d7e00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb14e768834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fb130de77d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007fb14e76d7be in QThreadPrivate::start (arg=0x2615c70) at thread/qthread_unix.cpp:331
#8  0x00007fb14c1306ba in start_thread (arg=0x7fb1266d8700) at pthread_create.c:333
#9  0x00007fb14e40541d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fb12ca72700 (LWP 1850)):
#0  0x00007fb14b4496f6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb14b405e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb14b406330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb14b406712 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb12dbec9d6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007fb14b42cbb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fb14c1306ba in start_thread (arg=0x7fb12ca72700) at pthread_create.c:333
#7  0x00007fb14e40541d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fb12d273700 (LWP 1849)):
#0  0x00007fb14e3f974d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fb14b40638c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb14b40649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb14b4064d9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb14b42cbb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb14c1306ba in start_thread (arg=0x7fb12d273700) at pthread_create.c:333
#6  0x00007fb14e40541d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fb13a1d1700 (LWP 1836)):
#0  0x00007fb14e3f974d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fb14dad5c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb14dad78d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb13cb55889 in QXcbEventReader::run (this=0x2492fe0) at qxcbconnection.cpp:1271
#4  0x00007fb14e76d7be in QThreadPrivate::start (arg=0x2492fe0) at thread/qthread_unix.cpp:331
#5  0x00007fb14c1306ba in start_thread (arg=0x7fb13a1d1700) at pthread_create.c:333
#6  0x00007fb14e40541d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fb14fca0780 (LWP 1834)):
[KCrash Handler]
#6  0x0000000000000018 in ?? ()
#7  0x00007fb1445d301a in QDBusPendingCallPrivate::~QDBusPendingCallPrivate (this=0x7fb11c265820, __in_chrg=<optimized out>) at qdbuspendingcall.cpp:133
#8  0x00007fb1445d3d64 in QExplicitlySharedDataPointer<QDBusPendingCallPrivate>::~QExplicitlySharedDataPointer (this=<optimized out>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qshareddata.h:156
#9  QDBusPendingCall::~QDBusPendingCall (this=<optimized out>, __in_chrg=<optimized out>) at qdbuspendingcall.cpp:265
#10 0x00007fb14006d27d in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Notifications.so.5
#11 0x00007fb14e97dc01 in QObject::event (this=0x2c032b0, e=<optimized out>) at kernel/qobject.cpp:1239
#12 0x00007fb14d39605c in QApplicationPrivate::notify_helper (this=this@entry=0x245a2c0, receiver=receiver@entry=0x2c032b0, e=e@entry=0x7fb11c265760) at kernel/qapplication.cpp:3716
#13 0x00007fb14d39b516 in QApplication::notify (this=0x7ffeef00c0a0, receiver=0x2c032b0, e=0x7fb11c265760) at kernel/qapplication.cpp:3499
#14 0x00007fb14e94e38b in QCoreApplication::notifyInternal (this=0x7ffeef00c0a0, receiver=0x2c032b0, event=event@entry=0x7fb11c265760) at kernel/qcoreapplication.cpp:965
#15 0x00007fb14e950786 in QCoreApplication::sendEvent (event=0x7fb11c265760, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x23e5130) at kernel/qcoreapplication.cpp:1593
#17 0x00007fb14e950c68 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#18 0x00007fb14e9a43c3 in postEventSourceDispatch (s=0x24df850) at kernel/qeventdispatcher_glib.cpp:271
#19 0x00007fb14b406197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fb14b4063f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fb14b40649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fb14e9a47cf in QEventDispatcherGlib::processEvents (this=0x24e6df0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#23 0x00007fb14e94bb4a in QEventLoop::exec (this=this@entry=0x7ffeef00bfa0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#24 0x00007fb14e953bec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#25 0x00007fb13cc4126d in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_kded5.so
#26 0x00000000004085ec in ?? ()
#27 0x0000000000405a4d in main ()

Reported using DrKonqi