(gdb) core-file core
[New LWP 6068]
[New LWP 6142]
[New LWP 6088]
[New LWP 6116]
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `xsane'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007fda0feefffd in dbus_connection_send () from /usr/lib64/libdbus-1.so.3
[Current thread is 1 (Thread 0x7fda1fd878c0 (LWP 6068))]
(gdb) bt
#0  0x00007fda0feefffd in dbus_connection_send () from /usr/lib64/libdbus-1.so.3
#1  0x00007fda10703b72 in SendScanEvent () from /usr/lib64/sane/libsane-hpaio.so.1
#2  0x00007fda1070bff6 in ledm_start () from /usr/lib64/sane/libsane-hpaio.so.1
#3  0x000000000045c670 in xsane_start_scan ()
#4  0x000000000045d797 in xsane_scan_dialog ()
#5  0x00007fda1ee321a4 in _g_closure_invoke_va () from /usr/lib64/libgobject-2.0.so.0
#6  0x00007fda1ee4c657 in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#7  0x00007fda1ee4cfc7 in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#8  0x00007fda1f3b6fd5 in gtk_real_button_released () from /usr/lib64/libgtk-x11-2.0.so.0
#9  0x00007fda1ee321a4 in _g_closure_invoke_va () from /usr/lib64/libgobject-2.0.so.0
#10 0x00007fda1ee4c657 in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#11 0x00007fda1ee4cfc7 in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#12 0x00007fda1f3b5eb9 in gtk_button_button_release () from /usr/lib64/libgtk-x11-2.0.so.0
#13 0x00007fda1f45c5df in _gtk_marshal_BOOLEAN__BOXED () from /usr/lib64/libgtk-x11-2.0.so.0
#14 0x00007fda1ee31f75 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0
#15 0x00007fda1ee441ba in signal_emit_unlocked_R () from /usr/lib64/libgobject-2.0.so.0
#16 0x00007fda1ee4c854 in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#17 0x00007fda1ee4cfc7 in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#18 0x00007fda1f57363c in gtk_widget_event_internal () from /usr/lib64/libgtk-x11-2.0.so.0
#19 0x00007fda1f45ad24 in gtk_propagate_event () from /usr/lib64/libgtk-x11-2.0.so.0
#20 0x00007fda1f45b1bb in gtk_main_do_event () from /usr/lib64/libgtk-x11-2.0.so.0
#21 0x00007fda1f0d026c in gdk_event_dispatch () from /usr/lib64/libgdk-x11-2.0.so.0
#22 0x00007fda1eb32c9d in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#23 0x00007fda1eb32f80 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#24 0x00007fda1eb332a2 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#25 0x00007fda1f45a137 in gtk_main () from /usr/lib64/libgtk-x11-2.0.so.0
#26 0x000000000046c3c9 in xsane_interface.part ()
#27 0x0000000000408baa in main ()
(gdb)