[Bug 201202] Re: WiFi roaming causes NetworkManager to lose routing

[Bob McElrath]

Confirmed with 8.10 and ath9k.  The wireless often roams to (none),
which totally drops the connection.  I can cause it to reassociate with
an AP by using 'iwconfig ath0 ap <MAC>'.  And about 2 minutes later it
will roam back to (none).  Very frustrating.

It seems to me like there is some code in NetworkManager which selects
the best AP, and it's broken.  It seems to me that NM should *never*
roam to (none).  When is that ever a good idea?  It should only roam if
it finds a new AP with better signal strength.  Attached is a patch
which should do that.  Unfortunately, as I'm not travelling and in
airports/hotels right now, I can't easily test it.  Can someone give it
a whirl?

** Attachment added: "nm-roaming.patch"
   http://launchpadlibrarian.net/20275296/nm-roaming.patch

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WiFi roaming causes NetworkManager to lose routing
https://bugs.launchpad.net/bugs/201202
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