Application: dolphin (15.12.3)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-98-generic x86_64
Distribution: Ubuntu 16.04.3 LTS

-- Information about the crash:
I was creating a ntfs partition on an USB drive with gparted. When gparted has finished its operation this crash occured.

-- Backtrace:
Application: Dolphin (dolphin), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6e4a1218c0 (LWP 20692))]

Thread 4 (Thread 0x7f6e39192700 (LWP 20695)):
#0  0x00007f6e53785a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6e53740d4a in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6e53741330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6e5374149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6e57d567eb in QEventDispatcherGlib::processEvents (this=0x7f6e340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f6e57cfdb4a in QEventLoop::exec (this=this@entry=0x7f6e39191d00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f6e57b1a834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f6e57b1f7be in QThreadPrivate::start (arg=0x21e8700) at thread/qthread_unix.cpp:331
#8  0x00007f6e542cd6ba in start_thread (arg=0x7f6e39192700) at pthread_create.c:333
#9  0x00007f6e5cf5a3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f6e3ca42700 (LWP 20694)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6e44fdf74b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007f6e44fdf477 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007f6e542cd6ba in start_thread (arg=0x7f6e3ca42700) at pthread_create.c:333
#4  0x00007f6e5cf5a3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f6e4788f700 (LWP 20693)):
#0  0x00007f6e5cf4e70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6e516d7c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f6e516d98d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f6e49be1889 in QXcbEventReader::run (this=0x1cbe690) at qxcbconnection.cpp:1271
#4  0x00007f6e57b1f7be in QThreadPrivate::start (arg=0x1cbe690) at thread/qthread_unix.cpp:331
#5  0x00007f6e542cd6ba in start_thread (arg=0x7f6e4788f700) at pthread_create.c:333
#6  0x00007f6e5cf5a3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f6e4a1218c0 (LWP 20692)):
[KCrash Handler]
#6  0x00007f6e5ce88428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007f6e5ce8a02a in __GI_abort () at abort.c:89
#8  0x00007f6e57b0cf81 in qt_message_fatal (context=..., message=<synthetic pointer>) at global/qlogging.cpp:1578
#9  QMessageLogger::fatal (this=this@entry=0x7ffc65306920, msg=msg@entry=0x7f6e5d683d28 "Cannot construct placeholder type QDBusRawType") at global/qlogging.cpp:781
#10 0x00007f6e5d660552 in QDBusRawTypeHandler::construct () at qdbusmetaobject.cpp:133
#11 0x00007f6e57d40710 in QMetaType::construct (copy=0x0, where=0x7ffc65306a40, this=0x7ffc65306980) at ../../include/QtCore/../../src/corelib/kernel/qmetatype.h:2141
#12 (anonymous namespace)::customConstruct (d=0x7ffc65306a40, copy=0x0) at kernel/qvariant.cpp:1019
#13 0x00007f6e57d4160f in QVariant::QVariant (this=0x7ffc65306a40, typeId=<optimized out>, copy=<optimized out>) at kernel/qvariant.cpp:1660
#14 0x00007f6e57d0da52 in QMetaProperty::read (this=this@entry=0x7ffc65306ae0, object=object@entry=0x1e5f2a0) at kernel/qmetaobject.cpp:3010
#15 0x00007f6e57d2d86f in QObject::property (this=0x1e5f2a0, name=0x26048c8 "MountPoints") at kernel/qobject.cpp:3893
#16 0x00007f6e5ab34664 in Solid::Backends::UDisks2::DeviceBackend::checkCache (this=0x258be80, key=...) at ../../../src/solid/devices/backends/udisks2/udisksdevicebackend.cpp:185
#17 0x00007f6e5ab34883 in Solid::Backends::UDisks2::DeviceBackend::propertyExists (this=0x258be80, key=...) at ../../../src/solid/devices/backends/udisks2/udisksdevicebackend.cpp:132
#18 0x00007f6e5ab2c5be in Solid::Backends::UDisks2::Device::propertyExists (this=this@entry=0x26059f0, key=...) at ../../../src/solid/devices/backends/udisks2/udisksdevice.cpp:126
#19 0x00007f6e5ab2e37f in Solid::Backends::UDisks2::Device::isMounted (this=0x26059f0) at ../../../src/solid/devices/backends/udisks2/udisksdevice.cpp:818
#20 0x00007f6e5ab47711 in Solid::Backends::UDisks2::StorageAccess::isAccessible (this=0x2603590) at ../../../src/solid/devices/backends/udisks2/udisksstorageaccess.cpp:75
#21 0x00007f6e5ab47944 in Solid::Backends::UDisks2::StorageAccess::updateCache (this=0x2603590) at ../../../src/solid/devices/backends/udisks2/udisksstorageaccess.cpp:138
#22 Solid::Backends::UDisks2::StorageAccess::StorageAccess (this=0x2603590, device=0x26059f0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../src/solid/devices/backends/udisks2/udisksstorageaccess.cpp:36
#23 0x00007f6e5ab2c780 in Solid::Backends::UDisks2::Device::createDeviceInterface (this=0x26059f0, type=<optimized out>) at ../../../src/solid/devices/backends/udisks2/udisksdevice.cpp:174
#24 0x00007f6e5aaf668f in Solid::Device::asDeviceInterface (this=this@entry=0x7ffc65306e50, type=@0x7ffc65306de0: Solid::DeviceInterface::StorageAccess) at ../../../src/solid/devices/frontend/device.cpp:154
#25 0x00007f6e5ada8ff6 in Solid::Device::as<Solid::StorageAccess> (this=0x7ffc65306e50) at /usr/include/KF5/Solid/solid/device.h:247
#26 Baloo::StorageDevices::createCacheEntry (this=this@entry=0x21d5fc0, dev=...) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/file/storagedevices.cpp:79
#27 0x00007f6e5ada9288 in Baloo::StorageDevices::slotSolidDeviceAdded (this=0x21d5fc0, udi=...) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/file/storagedevices.cpp:96
#28 0x00007f6e57d2ebaf in QtPrivate::QSlotObjectBase::call (a=0x7ffc65306fb0, r=0x21d5fc0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#29 QMetaObject::activate (sender=0x1da0c10, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc65306fb0) at kernel/qobject.cpp:3698
#30 0x00007f6e57d2f537 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f6e5ad83e60 <Solid::DeviceNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc65306fb0) at kernel/qobject.cpp:3578
#31 0x00007f6e5aaf6bb2 in Solid::DeviceNotifier::deviceAdded (this=<optimized out>, _t1=...) at ./moc_devicenotifier.cpp:136
#32 0x00007f6e57d2ed2a in QMetaObject::activate (sender=sender@entry=0x1da9220, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc653070e0) at kernel/qobject.cpp:3713
#33 0x00007f6e57d2f537 in QMetaObject::activate (sender=sender@entry=0x1da9220, m=m@entry=0x7f6e5ad8c540 <Solid::Ifaces::DeviceManager::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc653070e0) at kernel/qobject.cpp:3578
#34 0x00007f6e5ab52262 in Solid::Ifaces::DeviceManager::deviceAdded (this=this@entry=0x1da9220, _t1=...) at moc_devicemanager.cpp:136
#35 0x00007f6e5ab275e0 in Solid::Backends::UDisks2::Manager::slotInterfacesAdded (this=0x1da9220, object_path=..., interfaces_and_properties=...) at ../../../src/solid/devices/backends/udisks2/udisksmanager.cpp:197
#36 0x00007f6e5ab56a7d in Solid::Backends::UDisks2::Manager::qt_static_metacall (_o=_o@entry=0x1da9220, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=0, _a=_a@entry=0x7ffc653073a0) at moc_udisksmanager.cpp:87
#37 0x00007f6e57d2ed2a in QMetaObject::activate (sender=sender@entry=0x1da9238, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc653073a0) at kernel/qobject.cpp:3713
#38 0x00007f6e57d2f537 in QMetaObject::activate (sender=sender@entry=0x1da9238, m=m@entry=0x7f6e5ad8ca00 <OrgFreedesktopDBusObjectManagerInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc653073a0) at kernel/qobject.cpp:3578
#39 0x00007f6e5ab56d4f in OrgFreedesktopDBusObjectManagerInterface::InterfacesAdded (_t2=..., _t1=..., this=0x1da9238) at moc_manager.cpp:174
#40 OrgFreedesktopDBusObjectManagerInterface::qt_static_metacall (_o=_o@entry=0x1da9238, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=0, _a=_a@entry=0x7ffc65307540) at moc_manager.cpp:90
#41 0x00007f6e5ab5ade5 in OrgFreedesktopDBusObjectManagerInterface::qt_metacall (this=0x1da9238, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7ffc65307540) at moc_manager.cpp:160
#42 0x00007f6e5d63d913 in QDBusConnectionPrivate::deliverCall (this=0x1daad70, object=0x1da9238, msg=..., metaTypes=..., slotIdx=6) at qdbusintegrator.cpp:978
#43 0x00007f6e57d2fc01 in QObject::event (this=0x1da9238, e=<optimized out>) at kernel/qobject.cpp:1239
#44 0x00007f6e5880305c in QApplicationPrivate::notify_helper (this=this@entry=0x1c9d3e0, receiver=receiver@entry=0x1da9238, e=e@entry=0x1e4f090) at kernel/qapplication.cpp:3716
#45 0x00007f6e58808516 in QApplication::notify (this=0x7ffc65307c30, receiver=0x1da9238, e=0x1e4f090) at kernel/qapplication.cpp:3499
#46 0x00007f6e57d0038b in QCoreApplication::notifyInternal (this=0x7ffc65307c30, receiver=0x1da9238, event=event@entry=0x1e4f090) at kernel/qcoreapplication.cpp:965
#47 0x00007f6e57d02786 in QCoreApplication::sendEvent (event=0x1e4f090, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#48 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1c9b870) at kernel/qcoreapplication.cpp:1593
#49 0x00007f6e57d02c68 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#50 0x00007f6e57d563c3 in postEventSourceDispatch (s=0x1ce89f0) at kernel/qeventdispatcher_glib.cpp:271
#51 0x00007f6e53741197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007f6e537413f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007f6e5374149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007f6e57d567cf in QEventDispatcherGlib::processEvents (this=0x1ce8ff0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#55 0x00007f6e57cfdb4a in QEventLoop::exec (this=this@entry=0x7ffc65307b00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#56 0x00007f6e57d05bec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#57 0x00007f6e58249bfc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1542
#58 0x00007f6e587ff495 in QApplication::exec () at kernel/qapplication.cpp:2976
#59 0x00007f6e5d27ae2b in kdemain (argc=2, argv=<optimized out>) at /build/dolphin-HvGmRr/dolphin-15.12.3/src/main.cpp:150
#60 0x00007f6e5ce73830 in __libc_start_main (main=0x400710 <main(int, char**)>, argc=2, argv=0x7ffc65307db8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc65307da8) at ../csu/libc-start.c:291
#61 0x0000000000400749 in _start ()

Possible duplicates by query: bug 377996.

Reported using DrKonqi