#0  0xa64634ef in on_properties_changed (interface=0x8c16660, changed_properties=0xb4e38a80, invalidated_properties=0x8cbc788, user_data=0x8c21d78) at diagnostics-widget.c:154
        priv = 0x0
        report_errors = <optimized out>
        report_metrics = <optimized out>
        submit_error_reports = 0x0
        submit_metrics_reports = 0x0
#1  0xb67ab3c6 in ffi_call_SYSV () at ../src/x86/sysv.S:65
No locals.
#2  0xb67ab14b in ffi_call (cif=<optimized out>, fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>) at ../src/x86/ffi.c:411
        ecif = {cif = 0xbffdb5f4, rvalue = 0xbffdb580, avalue = 0xbffdb540}
#3  0xb6dd1299 in ?? ()
No symbol table info available.
#4  0xbffdb5f4 in ?? ()
No symbol table info available.
#5  0xb6dd0a1e in ?? ()
No symbol table info available.
#6  0x088cad90 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)