Core was generated by `pcmanfm-qt'.
Program terminated with signal SIGABRT, Aborted.
#0  0x000000080467c84a in thr_kill () from /lib/libc.so.7
[Current thread is 1 (LWP 101526)]
(gdb) bt
#0  0x000000080467c84a in thr_kill () from /lib/libc.so.7
#1  0x000000080467c814 in raise () from /lib/libc.so.7
#2  0x000000080467c789 in abort () from /lib/libc.so.7
#3  0x0000000802dc9df0 in g_thread_abort (status=11, function=0x802e2ca6a "pthread_mutex_lock") at gthread-posix.c:78
#4  0x0000000802dc9d08 in g_mutex_lock (mutex=0x80360ba28 <g.hash_lock_lock>) at gthread-posix.c:215
#5  0x0000000803396695 in _kh_cancel_sub (sub=0x813a1a330) at kqueue-helper.c:509
#6  0x0000000803396f1f in process_kqueue_notifications (gioc=0x80a615f00, cond=G_IO_IN, data=0x0) at kqueue-helper.c:321
#7  0x0000000802dcae5e in g_io_unix_dispatch (source=0x80a63f100, callback=0x803396d50 <process_kqueue_notifications>, user_data=0x0) at giounix.c:165
#8  0x0000000802d63be3 in g_main_dispatch (context=0x80ea190c0) at gmain.c:3203
#9  0x0000000802d63a30 in g_main_context_dispatch (context=0x80ea190c0) at gmain.c:3856
#10 0x0000000802d63f7e in g_main_context_iterate (context=0x80ea190c0, block=1, dispatch=1, self=0x80ea25f60) at gmain.c:3929
#11 0x0000000802d63ff3 in g_main_context_iteration (context=0x80ea190c0, may_block=1) at gmain.c:3990
#12 0x00000008024bf8d8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/local/lib/qt5/libQt5Core.so.5
#13 0x0000000802469820 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/local/lib/qt5/libQt5Core.so.5
#14 0x000000080246e095 in QCoreApplication::exec() () from /usr/local/lib/qt5/libQt5Core.so.5
#15 0x0000000000425038 in ?? ()
#16 0x000000000041cc5f in ?? ()
#17 0x000000080068c000 in ?? ()
#18 0x0000000000000000 in ?? ()