Hi, here you have a stack-trace with debugging symbols. One thread opens the file an other one reads of it.
Thread 35 (Thread 0x7f45cc8a0700 (LWP 9062)): #0 0x00007f45f29bc7fc in __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135 #1 0x00007f45f29b84d4 in _L_lock_986 () at /lib/x86_64-linux-gnu/libpthread.so.0 #2 0x00007f45f29b8336 in __GI___pthread_mutex_lock (mutex=0x7f45c1412f90) at ../nptl/pthread_mutex_lock.c:114 #3 0x00007f45f576eba1 in g_static_rec_mutex_lock (mutex=0x7f45c1427f30) at /build/glib2.0-ocmJ1Y/glib2.0-2.46.2/./glib/deprecated/gthread-deprecated.c:708 #4 0x00007f45f5cda5d4 in ipatch_container_get_children (container=0x7f45c0386500 [IpatchSF2], type=13378144) at IpatchContainer.c:123 #5 0x000000000047e9a3 in ags_ipatch_level_select (playable=<optimized out>, nth_level=<optimized out>, sublevel_name=0x7f45c4054770 "Acoustic Bass", error=0x7f45cc89e8f8) at src/ags/audio/file/ags_ipatch.c:569 #6 0x00000000004fcf2f in ags_ffplayer_preset_changed_callback (preset=0x4b9c420 [GtkComboBoxText], ffplayer=0x4b91460 [AgsFFPlayer]) at src/ags/X/machine/ags_ffplayer_callbacks.c:197 cheers, Joël
