CDrummond/cantata: Crash upon exiting LXQt session

backtrace

(gdb) bt
#0  0x00007fd6176041ac in QSocketNotifier::setEnabled(bool) () from /usr/lib/libQt5Core.so.5
#1  0x00007fd61761fe3d in ?? () from /usr/lib/libQt5Core.so.5
#2  0x00007fd6135e7179 in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#3  0x00007fd6135e7724 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007fd6135e789c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0x00007fd61762070f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007fd6175ca23a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#7  0x00007fd6173ed0f3 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00000000008c3478 in Thread::run() ()
#9  0x00007fd6173f1d78 in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007fd6189c4454 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007fd6167e57df in clone () from /usr/lib/libc.so.6

stack-trace

Process 9949 (cantata) of user 1002 dumped core.

Stack trace of thread 9952:
#0  0x00007fd6176041ac _ZN15QSocketNotifier10setEnabledEb (libQt5Core.so.5)
#1  0x00007fd61761fe3d n/a (libQt5Core.so.5)
#2  0x00007fd6135e7179 g_main_context_check (libglib-2.0.so.0)
#3  0x00007fd6135e7724 n/a (libglib-2.0.so.0)
#4  0x00007fd6135e789c g_main_context_iteration (libglib-2.0.so.0)
#5  0x00007fd61762070f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#6  0x00007fd6175ca23a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#7  0x00007fd6173ed0f3 _ZN7QThread4execEv (libQt5Core.so.5)
#8  0x00000000008c3478 _ZN6Thread3runEv (cantata)
#9  0x00007fd6173f1d78 n/a (libQt5Core.so.5)
#10 0x00007fd6189c4454 start_thread (libpthread.so.0)
#11 0x00007fd6167e57df __clone (libc.so.6)

Stack trace of thread 9954:
#0  0x00007fd6167dc551 ppoll (libc.so.6)
#1  0x00007fd61761b9e0 _Z12qt_safe_pollP6pollfdmPK8timespec (libQt5Core.so.5)
#2  0x00007fd619845957 n/a (libQt5Network.so.5)
#3  0x00007fd619843145 n/a (libQt5Network.so.5)
#4  0x00007fd61983985f _ZN15QAbstractSocket16waitForReadyReadEi (libQt5Network.so.5)
#5  0x00000000005cea0d n/a (cantata)
#6  0x00000000005cf0f4 n/a (cantata)
#7  0x00000000005d2e24 _ZN13MPDConnection11sendCommandERK10QByteArraybb (cantata)
#8  0x00000000005d7c7b _ZN13MPDConnection9getStatusEv (cantata)
#9  0x00000000005e0648 _ZN13MPDConnection15parseIdleReturnERK10QByteArray (cantata)
#10 0x00000000005e0afe _ZN13MPDConnection13idleDataReadyEv (cantata)
#11 0x00000000008913c5 n/a (cantata)
#12 0x00007fd6175f84b9 _ZN7QObject5eventEP6QEvent (libQt5Core.so.5)
#13 0x00007fd6182b0e0c _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5)
#14 0x00007fd6182b8581 _ZN12QApplication6notifyEP7QObjectP6QEvent (libQt5Widgets.so.5)
#15 0x00007fd6175cbde0 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5)
#16 0x00007fd6175ce56d _ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData (libQt5Core.so.5)
#17 0x00007fd617620303 n/a (libQt5Core.so.5)
#18 0x00007fd6135e7587 g_main_context_dispatch (libglib-2.0.so.0)
#19 0x00007fd6135e77f0 n/a (libglib-2.0.so.0)
#20 0x00007fd6135e789c g_main_context_iteration (libglib-2.0.so.0)
#21 0x00007fd61762070f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#22 0x00007fd6175ca23a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#23 0x00007fd6173ed0f3 _ZN7QThread4execEv (libQt5Core.so.5)
#24 0x00000000008c3478 _ZN6Thread3runEv (cantata)
#25 0x00007fd6173f1d78 n/a (libQt5Core.so.5)
#26 0x00007fd6189c4454 start_thread (libpthread.so.0)
#27 0x00007fd6167e57df __clone (libc.so.6)

Stack trace of thread 9959:
#0  0x00007fd6167dc48d poll (libc.so.6)
#1  0x00007fd6135e7786 n/a (libglib-2.0.so.0)
#2  0x00007fd6135e789c g_main_context_iteration (libglib-2.0.so.0)
#3  0x00007fd61762070f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#4  0x00007fd6175ca23a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#5  0x00007fd6173ed0f3 _ZN7QThread4execEv (libQt5Core.so.5)
#6  0x00007fd6173f1d78 n/a (libQt5Core.so.5)
#7  0x00007fd6189c4454 start_thread (libpthread.so.0)
#8  0x00007fd6167e57df __clone (libc.so.6)

Stack trace of thread 9961:
#0  0x00007fd6167dc48d poll (libc.so.6)
#1  0x00007fd6135e7786 n/a (libglib-2.0.so.0)
#2  0x00007fd6135e789c g_main_context_iteration (libglib-2.0.so.0)
#3  0x00007fd61762070f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#4  0x00007fd6175ca23a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#5  0x00007fd6173ed0f3 _ZN7QThread4execEv (libQt5Core.so.5)
#6  0x00007fd6173f1d78 n/a (libQt5Core.so.5)
#7  0x00007fd6189c4454 start_thread (libpthread.so.0)
#8  0x00007fd6167e57df __clone (libc.so.6)

Stack trace of thread 9949:
#0  0x00007fd6189cd16d __write (libpthread.so.0)
#1  0x00007fd61362bab2 n/a (libglib-2.0.so.0)
#2  0x00007fd6175ce08e _ZN16QCoreApplication9postEventEP7QObjectP6QEventi (libQt5Core.so.5)
#3  0x00007fd6175f749d _ZN11QMetaObject8activateEP7QObjectiiPPv (libQt5Core.so.5)
#4  0x00007fd6174faef5 _ZN9QIODevice5closeEv (libQt5Core.so.5)
#5  0x00007fd61983c8a2 _ZN15QAbstractSocket5closeEv (libQt5Network.so.5)
#6  0x00007fd619847737 _ZN12QLocalSocket5closeEv (libQt5Network.so.5)
#7  0x00007fd61983f197 _ZN12QLocalSocketD1Ev (libQt5Network.so.5)
#8  0x00007fd61983f1c9 _ZN12QLocalSocketD0Ev (libQt5Network.so.5)
#9  0x00007fd6175f5dc1 _ZN14QObjectPrivate14deleteChildrenEv (libQt5Core.so.5)
#10 0x00007fd6175ff66f _ZN7QObjectD1Ev (libQt5Core.so.5)
#11 0x00007fd6198405a9 _ZN12QLocalServerD0Ev (libQt5Network.so.5)
#12 0x00007fd6175f5dc1 _ZN14QObjectPrivate14deleteChildrenEv (libQt5Core.so.5)
#13 0x00007fd6175ff66f _ZN7QObjectD1Ev (libQt5Core.so.5)
#14 0x0000000000807ed2 n/a (cantata)
#15 0x00007fd616732990 __run_exit_handlers (libc.so.6)
#16 0x00007fd6167329ea exit (libc.so.6)
#17 0x00007fd60b8c9ba3 _ZN14QXcbConnection16processXcbEventsEv (libQt5XcbQpa.so.5)
#18 0x00007fd6175f84b9 _ZN7QObject5eventEP6QEvent (libQt5Core.so.5)
#19 0x00007fd6182b0e0c _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5)
#20 0x00007fd6182b8581 _ZN12QApplication6notifyEP7QObjectP6QEvent (libQt5Widgets.so.5)
#21 0x00007fd6175cbde0 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5)
#22 0x00007fd6175ce56d _ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData (libQt5Core.so.5)
#23 0x00007fd617620303 n/a (libQt5Core.so.5)
#24 0x00007fd6135e7587 g_main_context_dispatch (libglib-2.0.so.0)
#25 0x00007fd6135e77f0 n/a (libglib-2.0.so.0)
#26 0x00007fd6135e789c g_main_context_iteration (libglib-2.0.so.0)
#27 0x00007fd61762070f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#28 0x00007fd6175ca23a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#29 0x00007fd6175d273c _ZN16QCoreApplication4execEv (libQt5Core.so.5)
#30 0x000000000054ebdf main (cantata)
#31 0x00007fd61671d291 __libc_start_main (libc.so.6)
#32 0x000000000054f34a _start (cantata)

Stack trace of thread 9951:
#0  0x00007fd6167dc48d poll (libc.so.6)
#1  0x00007fd6135e7786 n/a (libglib-2.0.so.0)
#2  0x00007fd6135e789c g_main_context_iteration (libglib-2.0.so.0)
#3  0x00007fd61762070f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#4  0x00007fd6175ca23a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#5  0x00007fd6173ed0f3 _ZN7QThread4execEv (libQt5Core.so.5)
#6  0x00007fd618e0ae55 n/a (libQt5DBus.so.5)
#7  0x00007fd6173f1d78 n/a (libQt5Core.so.5)
#8  0x00007fd6189c4454 start_thread (libpthread.so.0)
#9  0x00007fd6167e57df __clone (libc.so.6)

Stack trace of thread 9953:
#0  0x00007fd6189ca10f pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1  0x00007fd5fb43848b n/a (r600_dri.so)
#2  0x00007fd5fb4382e7 n/a (r600_dri.so)
#3  0x00007fd6189c4454 start_thread (libpthread.so.0)
#4  0x00007fd6167e57df __clone (libc.so.6)

Stack trace of thread 9957:
#0  0x00007fd6167dc48d poll (libc.so.6)
#1  0x00007fd6135e7786 n/a (libglib-2.0.so.0)
#2  0x00007fd6135e789c g_main_context_iteration (libglib-2.0.so.0)
#3  0x00007fd61762070f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#4  0x00007fd6175ca23a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#5  0x00007fd6173ed0f3 _ZN7QThread4execEv (libQt5Core.so.5)
#6  0x00000000008c3478 _ZN6Thread3runEv (cantata)
#7  0x00007fd6173f1d78 n/a (libQt5Core.so.5)
#8  0x00007fd6189c4454 start_thread (libpthread.so.0)
#9  0x00007fd6167e57df __clone (libc.so.6)

Stack trace of thread 9958:
#0  0x00007fd6167dc48d poll (libc.so.6)
#1  0x00007fd6135e7786 n/a (libglib-2.0.so.0)
#2  0x00007fd6135e789c g_main_context_iteration (libglib-2.0.so.0)
#3  0x00007fd61762070f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#4  0x00007fd6175ca23a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#5  0x00007fd6173ed0f3 _ZN7QThread4execEv (libQt5Core.so.5)
#6  0x00000000008c3478 _ZN6Thread3runEv (cantata)
#7  0x00007fd6173f1d78 n/a (libQt5Core.so.5)
#8  0x00007fd6189c4454 start_thread (libpthread.so.0)
#9  0x00007fd6167e57df __clone (libc.so.6)

Stack trace of thread 9960:
#0  0x00007fd6167dc48d poll (libc.so.6)
#1  0x00007fd6135e7786 n/a (libglib-2.0.so.0)
#2  0x00007fd6135e789c g_main_context_iteration (libglib-2.0.so.0)
#3  0x00007fd61762070f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#4  0x00007fd6175ca23a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#5  0x00007fd6173ed0f3 _ZN7QThread4execEv (libQt5Core.so.5)
#6  0x00000000008c3478 _ZN6Thread3runEv (cantata)
#7  0x00007fd6173f1d78 n/a (libQt5Core.so.5)
#8  0x00007fd6189c4454 start_thread (libpthread.so.0)
#9  0x00007fd6167e57df __clone (libc.so.6)