On Thu, 2010-02-04 at 17:10 -0500, Chris Siebenmann wrote: > | > That mentioned commit broke wireless on a Thinkpad T42 (running Fedora > | > 11); from that commit onwards, the wireless system appeared to see no > | > networks. The patch makes things work again. > | > > | > More details are in the Fedora bugzilla: > | > https://bugzilla.redhat.com/show_bug.cgi?id=522530 > | > | You mean with iwlist? That's quite odd because setting WEP keys > | doesn't have anything to do with the scanning stuff, even in the > | firmware. Note that Airo has always been somewhat tempermental for > | scans and you may or may not see any or all APs in any given scan. > > All I know is that the failure is total; in all situations I've > tried where a good kernel sees one or more networks and APs, a bad > kernel sees none at all (and 'iwlist wifi0 scanning' reports 'No > scan results'). A good kernel sometimes reports different numbers of > networks and sometimes has quality problems, but a bad kernel never sees > anything. > > (Well, has never seen anything within a relatively modest amount of > time. I have not let it sit for, say, an hour in order to see if > something magically gets better; I have always rebooted into a kernel > with working wireless.) When are you attempting to scan? Is anything like wpa_supplicant or NetworkManager running in the background when you do this? Dan -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
