On 03/02/2016 12:12, Jouni Malinen wrote:
On Wed, Feb 03, 2016 at 08:07:41AM +0000, Gareth McCaughan wrote:
Are any problems known or expected if I run wpa_supplicant 2.5
on a machine running Ubuntu 14.04? (I'm thinking that other
system components might have out-of-date expectations about
what wpa_supplicant will do.)
That should work fine. I'm not aware of any specific issue for that
combination and in general, there is requirement of maintaining
backwards compatibility in supported wpa_supplicant interfaces.
So, after upgrading from 2.1 to 2.5 I can confirm that
the wireless problems we were experiencing are very much
improved (thanks, Jason!) and that nothing appears to
break in obvious ways as a result of running wpa_supplicant
2.5 on Ubuntu 14.04 (thanks, Jouni!).
But: Is this fix really the Right Thing? Imagine that there
are two APs, one much better than the other (e.g., closer
and therefore higher signal), and both are forcing a session
timeout after half an hour by sending a PREV_AUTH_NOT_VALID
frame. Won't this lead to us bouncing between the two, when
there's no real reason not to just keep reauthenticating
with the better one?
--
g
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