Hi Shuai, On 12/5/19 11:56 PM, Shuai Wang wrote: > scan_periodic_start triggered by station requires scan_wdev_add to be > called first from device. > --- > src/station.c | 1 + > 1 file changed, 1 insertion(+) > Thanks for the bug report & fix. Looks like commit 1057d8aa743a ("device: Move device creation from netdev.c to event watch") introduced this regression. > diff --git a/src/station.c b/src/station.c > index c6029423..fd346194 100644 > --- a/src/station.c > +++ b/src/station.c > @@ -3225,3 +3225,4 @@ static void station_exit(void) > > IWD_MODULE(station, station_init, station_exit) > IWD_MODULE_DEPENDS(station, netconfig) > +IWD_MODULE_DEPENDS(station, device) > Module dependencies are only really needed if one module _init function uses functionality (like event watch registrations, etc) from another module at daemon startup time. For this case the fix is a bit different. Could you try the attached patch instead? Regards, -Denis