Comment 2 for bug 1302247

StacktraceSource:
 #0 accumulate (accumulator=<error reading variable: Cannot access memory at address 0xffffffffffffff00>, handler_return=0xffffffffffffff10, return_accu=0xffffffffffffff30, ihint=0xffffffffffffff60) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3056
   [Error: /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c was not found in source tree]
 #1 g_signal_emit_valist (instance=<error reading variable: Cannot access memory at address 0xfffffffffffffef0>, instance@entry=<error reading variable: Cannot access memory at address 0x8>, signal_id=<optimized out>, detail=<error reading variable: Cannot access memory at address 0xfffffffffffffeec>, var_args=<error reading variable: Cannot access memory at address 0xfffffffffffffee0>) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3221
   [Error: /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c was not found in source tree]
StacktraceTop:
 accumulate (accumulator=<error reading variable: Cannot access memory at address 0xffffffffffffff00>, handler_return=0xffffffffffffff10, return_accu=0xffffffffffffff30, ihint=0xffffffffffffff60) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3056
 g_signal_emit_valist (instance=<error reading variable: Cannot access memory at address 0xfffffffffffffef0>, instance@entry=<error reading variable: Cannot access memory at address 0x8>, signal_id=<optimized out>, detail=<error reading variable: Cannot access memory at address 0xfffffffffffffeec>, var_args=<error reading variable: Cannot access memory at address 0xfffffffffffffee0>) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3221