Bug 390478

Application: kdeinit5 (17.12.2)

Qt Version: 5.9.3
Frameworks Version: 5.43.0
Operating System: Linux 4.13.0-32-generic x86_64
Distribution: KDE neon User Edition 5.12

-- Information about the crash:
- What I was doing when the application crashed: I minimized Kcalc then i click Kcalc icon on panel. Thats all i can say.

The crash can be reproduced every time.

-- Backtrace:
Application: KCalc (kdeinit5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1d74ec3780 (LWP 24957))]

Thread 3 (Thread 0x7f1d57753700 (LWP 24959)):
#0  0x00007f1d72f7727d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1d6f38d073 in ?? () from /usr/lib/nvidia-384/tls/libnvidia-tls.so.384.111
#2  0x00007f1d6f8256f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d6f7e1e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d6f7e2330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d6f7e249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f1d735206cb in QEventDispatcherGlib::processEvents (this=0x7f1d500008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f1d734c8e2a in QEventLoop::exec (this=this@entry=0x7f1d57752e10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d732f18f4 in QThread::exec (this=this@entry=0x7f1d69c9bd40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:515
#9  0x00007f1d69a27315 in QDBusConnectionManager::run (this=0x7f1d69c9bd40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#10 0x00007f1d732f6709 in QThreadPrivate::start (arg=0x7f1d69c9bd40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368
#11 0x00007f1d713ea6ba in start_thread (arg=0x7f1d57753700) at pthread_create.c:333
#12 0x00007f1d72f8741d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f1d5f44d700 (LWP 24958)):
#0  0x00007f1d72f7b74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1d74328c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f1d7432a8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1d61fd61f9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f1d732f6709 in QThreadPrivate::start (arg=0x1adfdb0) at thread/qthread_unix.cpp:368
#5  0x00007f1d713ea6ba in start_thread (arg=0x7f1d5f44d700) at pthread_create.c:333
#6  0x00007f1d72f8741d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f1d74ec3780 (LWP 24957)):
[KCrash Handler]
#6  0x00007f1d72eb5428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007f1d72eb702a in __GI_abort () at abort.c:89
#8  0x00007f1d732dec71 in qt_message_fatal (context=..., message=<synthetic pointer>) at global/qlogging.cpp:1690
#9  QMessageLogger::fatal (this=this@entry=0x7ffd826daf20, msg=msg@entry=0x7f1d69a849b0 "Internal error: got invalid meta type %d (%s) when trying to convert to meta type %d (%s)") at global/qlogging.cpp:796
#10 0x00007f1d69a33a54 in QDBusConnectionPrivate::deliverCall (this=this@entry=0x7f1d50003100, object=object@entry=0x1d39b10, msg=..., metaTypes=..., slotIdx=<optimized out>) at qdbusintegrator.cpp:960
#11 0x00007f1d69a380f8 in QDBusConnectionPrivate::activateCall (this=this@entry=0x7f1d50003100, object=0x1d39b10, flags=flags@entry=273, msg=...) at qdbusintegrator.cpp:908
#12 0x00007f1d69a3884b in QDBusConnectionPrivate::activateObject (this=0x7f1d50003100, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1491
#13 0x00007f1d69a3b10e in QDBusActivateObjectEvent::placeMetaCall (this=0x7f1d500171f0) at qdbusintegrator.cpp:1611
#14 0x00007f1d734f82b9 in QObject::event (this=0x1d39db0, e=<optimized out>) at kernel/qobject.cpp:1246
#15 0x00007f1d71956b9c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x1d39db0, e=0x7f1d500171f0) at kernel/qapplication.cpp:3722
#16 0x00007f1d7195e5a7 in QApplication::notify (this=0x7ffd826db910, receiver=0x1d39db0, e=0x7f1d500171f0) at kernel/qapplication.cpp:3481
#17 0x00007f1d734cadf8 in QCoreApplication::notifyInternal2 (receiver=0x1d39db0, event=event@entry=0x7f1d500171f0) at kernel/qcoreapplication.cpp:1018
#18 0x00007f1d734cd5db in QCoreApplication::sendEvent (event=0x7f1d500171f0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1a139e0) at kernel/qcoreapplication.cpp:1678
#20 0x00007f1d734cda48 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1532
#21 0x00007f1d735210a3 in postEventSourceDispatch (s=0x1b39d30) at kernel/qeventdispatcher_glib.cpp:276
#22 0x00007f1d6f7e2197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f1d6f7e23f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f1d6f7e249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f1d735206af in QEventDispatcherGlib::processEvents (this=0x1b34460, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#26 0x00007f1d734c8e2a in QEventLoop::exec (this=this@entry=0x7ffd826db6e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#27 0x00007f1d734d1d64 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1291
#28 0x00007f1d62754435 in kdemain (argc=1, argv=<optimized out>) at /workspace/build/kcalc.cpp:2324
#29 0x0000000000408679 in launch (argc=argc@entry=1, _name=_name@entry=0x1a799f8 "kcalc", args=<optimized out>, args@entry=0x1a799fe "", cwd=cwd@entry=0x0, envc=envc@entry=0, envs=<optimized out>, envs@entry=0x1a79a06 "", reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40b307 "0") at /workspace/build/src/kdeinit/kinit.cpp:705
#30 0x0000000000409c71 in handle_launcher_request (sock=7, who=who@entry=0x40b2bc "launcher") at /workspace/build/src/kdeinit/kinit.cpp:1147
#31 0x000000000040a307 in handle_requests (waitForPid=waitForPid@entry=0) at /workspace/build/src/kdeinit/kinit.cpp:1338
#32 0x0000000000404ee4 in main (argc=1, argv=<optimized out>) at /workspace/build/src/kdeinit/kinit.cpp:1784

Possible duplicates by query: bug 377996.

Reported using DrKonqi