Comment 140 for bug 548992

My dmesg looking like this:

[48754.543729] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[48754.752857] r8169 0000:02:00.0: eth0: link down
[48754.753212] ADDRCONF(NETDEV_UP): eth0: link is not ready
[48755.006093] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[48757.616276] wlan0: deauthenticating from 00:27:22:2e:a4:62 by local choice (reason=3)
[48757.650319] wlan0: authenticate with 00:27:22:2e:a4:62 (try 1)
[48757.652508] wlan0: authenticated
[48757.672121] wlan0: associate with 00:27:22:2e:a4:62 (try 1)
[48757.872078] wlan0: associate with 00:27:22:2e:a4:62 (try 2)
[48758.072074] wlan0: associate with 00:27:22:2e:a4:62 (try 3)
[48758.272071] wlan0: association with 00:27:22:2e:a4:62 timed out
[48790.756833] wlan0: authenticate with 00:27:22:2e:a4:62 (try 1)
[48790.758774] wlan0: authenticated
[48790.758832] wlan0: associate with 00:27:22:2e:a4:62 (try 1)
[48790.761998] wlan0: RX AssocResp from 00:27:22:2e:a4:62 (capab=0x431 status=0 aid=1)
[48790.762006] wlan0: associated
[48790.762598] ADDRCONF(NETDEV_CHANGE): drops wlan0: link becomes ready
[48792.917396] wlan0: deauthenticating from 00:27:22:2e:a4:62 by local choice (reason=3)
[48792.939219] cfg80211: All devices are disconnected, going to restore regulatory settings
[48792.939231] cfg80211: Restoring regulatory settings
[48792.939263] cfg80211: Calling CRDA to update world regulatory domain
[48792.951931] cfg80211: Ignoring regulatory request Set by core since the driver uses its own custom regulatory domain
[48792.951952] cfg80211: World regulatory domain updated:

Seems, like network manager drops not only wireless, but wired connection too

Only manual reconnecting in network-manager (somtimes more then once) helps.

Linux s205 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 UTC 2011 i686 athlon i386 GNU/Linux
access-point is NanoStation Loco m2
03:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)
Linux Mint 11 Katya