Bug 390660

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 installed the nvidia proprietary drivers then restarted.

-- Backtrace:
Application: Konsole (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe4e509d780 (LWP 1451))]

Thread 3 (Thread 0x7fe4c7544700 (LWP 1456)):
#0  0x00007fe4df9fea94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe4df9b9910 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe4df9ba2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe4df9ba49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe4e36f36cb in QEventDispatcherGlib::processEvents (this=0x7fe4c00008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fe4e369be2a in QEventLoop::exec (this=this@entry=0x7fe4c7543e10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fe4e34c48f4 in QThread::exec (this=this@entry=0x7fe4da00cd40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:515
#7  0x00007fe4d9d98315 in QDBusConnectionManager::run (this=0x7fe4da00cd40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#8  0x00007fe4e34c9709 in QThreadPrivate::start (arg=0x7fe4da00cd40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368
#9  0x00007fe4e15bd6ba in start_thread (arg=0x7fe4c7544700) at pthread_create.c:333
#10 0x00007fe4e315a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fe4ceec1700 (LWP 1453)):
#0  0x00007fe4e314e74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe4e44fbc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fe4e44fd8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fe4d1a4a1f9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fe4e34c9709 in QThreadPrivate::start (arg=0x23b0900) at thread/qthread_unix.cpp:368
#5  0x00007fe4e15bd6ba in start_thread (arg=0x7fe4ceec1700) at pthread_create.c:333
#6  0x00007fe4e315a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fe4e509d780 (LWP 1451)):
[KCrash Handler]
#6  0x00007fe4e34afa17 in std::__atomic_base<int>::load (__m=std::memory_order_relaxed, this=0x6) at /usr/include/c++/5/bits/atomic_base.h:396
#7  QAtomicOps<int>::load<int> (_q_value=...) at ../../include/QtCore/../../src/corelib/arch/qatomic_cxx11.h:227
#8  QBasicAtomicInteger<int>::load (this=0x6) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:102
#9  QtPrivate::RefCount::deref (this=0x6) at ../../include/QtCore/../../src/corelib/tools/qrefcount.h:66
#10 QString::~QString (this=0x7fe4c0010d78, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qstring.h:1084
#11 QList<QString>::node_destruct (this=0x7fe4c0010d78, to=0x7fe4c0010d78, from=0x7fe4c0010db0) at ../../include/QtCore/../../src/corelib/tools/qlist.h:496
#12 QList<QString>::dealloc (this=0x7fe4c0010d78, data=0x7fe4c0010d70) at ../../include/QtCore/../../src/corelib/tools/qlist.h:865
#13 QList<QString>::~QList (this=this@entry=0x7fe4c00008c0, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:827
#14 0x00007fe4e36e4985 in QStringList::~QStringList (this=<optimized out>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qstringlist.h:101
#15 v_clear<QStringList> (d=0x7fe4c00008c0) at ../../include/QtCore/5.9.3/QtCore/private/../../../../../src/corelib/kernel/qvariant_p.h:175
#16 QVariantDestructor<(anonymous namespace)::CoreTypesFilter>::FilteredDestructor<QStringList, true>::FilteredDestructor (this=<synthetic pointer>, d=0x7fe4c00008c0) at ../../include/QtCore/5.9.3/QtCore/private/../../../../../src/corelib/kernel/qvariant_p.h:400
#17 QVariantDestructor<(anonymous namespace)::CoreTypesFilter>::delegate<QStringList> (this=<synthetic pointer>) at ../../include/QtCore/5.9.3/QtCore/private/../../../../../src/corelib/kernel/qvariant_p.h:426
#18 QMetaTypeSwitcher::switcher<void, QVariantDestructor<(anonymous namespace)::CoreTypesFilter> > (data=0x0, type=<optimized out>, logic=<synthetic pointer>) at ../../include/QtCore/5.9.3/QtCore/private/../../../../../src/corelib/kernel/qmetatypeswitcher_p.h:74
#19 (anonymous namespace)::clear (d=0x7fe4c00008c0) at kernel/qvariant.cpp:120
#20 0x00007fe4d9d9d3b4 in QList<QVariant>::node_destruct (this=<optimized out>, to=0x7fe4c0010c60, from=0x7fe4c0010c50) at ../../include/QtCore/../../src/corelib/tools/qlist.h:494
#21 QList<QVariant>::dealloc (data=0x7fe4c0010c40, this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:865
#22 0x00007fe4d9db1beb in QDBusMessage::~QDBusMessage (this=<optimized out>, __in_chrg=<optimized out>) at qdbusmessage.cpp:571
#23 0x00007fe4d9dad31c in QDBusCallDeliveryEvent::~QDBusCallDeliveryEvent (this=0x7fe4c0012380, __in_chrg=<optimized out>) at qdbusintegrator_p.h:104
#24 QDBusCallDeliveryEvent::~QDBusCallDeliveryEvent (this=0x7fe4c0012380, __in_chrg=<optimized out>) at qdbusintegrator_p.h:104
#25 0x00007fe4e36a05e5 in QScopedPointerDeleter<QEvent>::cleanup (pointer=0x7fe4c0012380) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:60
#26 QScopedPointer<QEvent, QScopedPointerDeleter<QEvent> >::~QScopedPointer (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:107
#27 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x22e8ce0) at kernel/qcoreapplication.cpp:1675
#28 0x00007fe4e36a0a48 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1532
#29 0x00007fe4e36f40a3 in postEventSourceDispatch (s=0x23f2480) at kernel/qeventdispatcher_glib.cpp:276
#30 0x00007fe4df9ba197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fe4df9ba3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fe4df9ba49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007fe4e36f36af in QEventDispatcherGlib::processEvents (this=0x23e7d30, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#34 0x00007fe4e369be2a in QEventLoop::exec (this=this@entry=0x7ffd022a8d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#35 0x00007fe4e36a4d64 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1291
#36 0x00007fe4d2ae8347 in kdemain (argc=1, argv=<optimized out>) at /workspace/build/src/main.cpp:190
#37 0x0000000000408679 in launch (argc=argc@entry=5, _name=_name@entry=0x2363ec8 "konsole", args=<optimized out>, args@entry=0x2363ed0 "-session", cwd=cwd@entry=0x0, envc=envc@entry=0, envs=<optimized out>, envs@entry=0x2363f27 "", reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40b307 "0") at /workspace/build/src/kdeinit/kinit.cpp:705
#38 0x0000000000409c71 in handle_launcher_request (sock=8, who=who@entry=0x40b2bc "launcher") at /workspace/build/src/kdeinit/kinit.cpp:1147
#39 0x000000000040a307 in handle_requests (waitForPid=waitForPid@entry=0) at /workspace/build/src/kdeinit/kinit.cpp:1338
#40 0x0000000000404ee4 in main (argc=5, argv=<optimized out>) at /workspace/build/src/kdeinit/kinit.cpp:1784

Possible duplicates by query: bug 384419.

Reported using DrKonqi