Messages in this thread | | | Subject | Re: attempt to scan fails (device busy) if essid/ssid was changed recently | From | Johannes Berg <> | Date | Tue, 07 Apr 2009 15:13:30 +0200 |
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On Tue, 2009-04-07 at 16:04 +0300, Maxim Levitsky wrote:
> > > > > Looking a bit deeper I discovered that each time NM disconnects from a > > > > > networks it sets random ssid/essid to the card (using wireless > > > > > extensions) > > > > > > > > This forces a scan > > > > > > > > > After that scan fails for some time. > > > > > > > > > > as a NM free example you can run > > > > > > > > > > iwconfig wlan0 essid dummy > > > > > iwlist scan > > > > > > > > and then this fails with EBUSY. > > > Thanks for explanation. > > > Since NM has its reasons to clear essid (to prevent unwanted > > > association), then what can be done to prevent this (and still use > > > wireless extensions, since nl80211 support isn't yet mature)? > > > > Nothing. Wext sucks, news at 11, yadda. > Thanks. > Everything understood.
Of course, we can go back to dropping the scan request, but that wouldn't be very nice.
Is this creating any problems?
johannes [unhandled content-type:application/pgp-signature] | |