Bug 393043

Application: dolphin (17.12.3)

Qt Version: 5.10.1
Frameworks Version: 5.44.0
Operating System: Linux 4.15.13-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
user mount through dolphin,
access TLD of that mounted FS
umount via plasma device manager

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f193bec5800 (LWP 19395))]

Thread 4 (Thread 0x7f1911da8700 (LWP 19398)):
#0  0x00007f192e1915b4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f192e14a5cd in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f192e14a72e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f1935954264 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f19358f632b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f193570572e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f193570aacd in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f19307d308c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f193b779e7f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f19221bd700 (LWP 19397)):
#0  0x00007f193b76f97b in poll () at /usr/lib/libc.so.6
#1  0x00007f192e14a613 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f192e14a72e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f1935954264 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f19358f632b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f193570572e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f1935d77416 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f193570aacd in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f19307d308c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f193b779e7f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f1924746700 (LWP 19396)):
#0  0x00007f193b76f97b in poll () at /usr/lib/libc.so.6
#1  0x00007f192da8a180 in  () at /usr/lib/libxcb.so.1
#2  0x00007f192da8be4b in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f19272e082a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f193570aacd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f19307d308c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f193b779e7f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f193bec5800 (LWP 19395)):
[KCrash Handler]
#6  0x00007f193bad27fc in  () at /usr/lib/libkdeinit5_dolphin.so
#7  0x00007f193ba7ba78 in  () at /usr/lib/libkdeinit5_dolphin.so
#8  0x00007f193592873f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#9  0x00007f193bad5076 in  () at /usr/lib/libkdeinit5_dolphin.so
#10 0x00007f193592873f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#11 0x00007f193bad4e56 in  () at /usr/lib/libkdeinit5_dolphin.so
#12 0x00007f193592873f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#13 0x00007f193bad4eb3 in  () at /usr/lib/libkdeinit5_dolphin.so
#14 0x00007f193bab3211 in  () at /usr/lib/libkdeinit5_dolphin.so
#15 0x00007f193592873f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#16 0x00007f19397a6326 in Solid::StorageAccess::teardownRequested(QString const&) () at /usr/lib/libKF5Solid.so.5
#17 0x00007f19397a91aa in  () at /usr/lib/libKF5Solid.so.5
#18 0x00007f1935928616 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#19 0x00007f19397a5156 in  () at /usr/lib/libKF5Solid.so.5
#20 0x00007f1939794f22 in  () at /usr/lib/libKF5Solid.so.5
#21 0x00007f19397a979e in  () at /usr/lib/libKF5Solid.so.5
#22 0x00007f19397ad586 in  () at /usr/lib/libKF5Solid.so.5
#23 0x00007f1935d82b5d in  () at /usr/lib/libQt5DBus.so.5
#24 0x00007f1935929062 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#25 0x00007f19368fffec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#26 0x00007f19369079c6 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#27 0x00007f19358f7cf0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#28 0x00007f19358fa956 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#29 0x00007f1935954c54 in  () at /usr/lib/libQt5Core.so.5
#30 0x00007f192e14a458 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#31 0x00007f192e14a6a1 in  () at /usr/lib/libglib-2.0.so.0
#32 0x00007f192e14a72e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#33 0x00007f1935954241 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#34 0x00007f1927368482 in  () at /usr/lib/libQt5XcbQpa.so.5
#35 0x00007f19358f632b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#36 0x00007f19358ff728 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#37 0x00007f193ba7a05e in kdemain () at /usr/lib/libkdeinit5_dolphin.so
#38 0x00007f193b6a4f4a in __libc_start_main () at /usr/lib/libc.so.6
#39 0x0000558674af577a in _start ()

Reported using DrKonqi