I just tried in the 12.04 beta and this appears to be fixed for me, so reverting back to 11.04 is not the only option!
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/881284 Title: Wired ICS constantly reconnecting Status in “network-manager” package in Ubuntu: Confirmed Bug description: I often find myself using my laptop to supply internet connection to my other computer which does not have a wireless interface. When I use Ubuntu 11.10 for this it keeps disconnecting and reconnecting frantically and constantly. The wired connection is set to "Shared to other computers". Have seen this issue on at least one other machine besides mine so far. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: network-manager 0.9.1.90-0ubuntu4 ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4 Uname: Linux 3.0.0-12-generic x86_64 NonfreeKernelModules: fglrx ApportVersion: 1.23-0ubuntu3 Architecture: amd64 CRDA: Error: [Errno 2] No such file or directory Date: Tue Oct 25 09:46:27 2011 Gconf: IfupdownConfig: auto lo iface lo inet loopback InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) IpRoute: default via 192.168.1.1 dev wlan0 proto static 169.254.0.0/16 dev wlan0 scope link metric 1000 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.116 metric 2 Keyfiles: Error: [Errno 2] No such file or directory NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true ProcEnviron: PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: network-manager UpgradeStatus: No upgrade log present (probably fresh install) WifiSyslog: mtime.conffile..etc.NetworkManager.NetworkManager.conf: 2011-10-22T12:09:24.370997 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/881284/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp