Stacktrace: #0 g_type_check_instance_cast (type_instance=0x7f2310071490, type_instance@entry=<error reading variable: Cannot access memory at address 0x7fff78a0d1c8>, iface_type=139788569127904, iface_type@entry=<error reading variable: Cannot access memory at address 0x7fff78a0d1c8>) at /build/buildd/glib2.0-2.37.3/./gobject/gtype.c:4008 is_instantiatable = <optimized out> check = <optimized out> Cannot access memory at address 0x7fff78a0d1c8 StacktraceTop: g_type_check_instance_cast (type_instance=0x7f2310071490, type_instance@entry=<error reading variable: Cannot access memory at address 0x7fff78a0d1c8>, iface_type=139788569127904, iface_type@entry=<error reading variable: Cannot access memory at address 0x7fff78a0d1c8>) at /build/buildd/glib2.0-2.37.3/./gobject/gtype.c:4008
Stacktrace: check_instance_ cast (type_instance= 0x7f2310071490, type_instance@ entry=< error reading variable: Cannot access memory at address 0x7fff78a0d1c8>, iface_type= 139788569127904 , iface_type@ entry=< error reading variable: Cannot access memory at address 0x7fff78a0d1c8>) at /build/ buildd/ glib2.0- 2.37.3/ ./gobject/ gtype.c: 4008
is_instantiat able = <optimized out> check_instance_ cast (type_instance= 0x7f2310071490, type_instance@ entry=< error reading variable: Cannot access memory at address 0x7fff78a0d1c8>, iface_type= 139788569127904 , iface_type@ entry=< error reading variable: Cannot access memory at address 0x7fff78a0d1c8>) at /build/ buildd/ glib2.0- 2.37.3/ ./gobject/ gtype.c: 4008
#0 g_type_
check = <optimized out>
Cannot access memory at address 0x7fff78a0d1c8
StacktraceTop: g_type_