Scott, Does Aleh's suggestion help at all?
There's unfortunately very little I can do at the NM level to help with performance, since NetworkManager pretty much just does the connection establishing, everything else is left out of wpasupplicant or the kernel. Reassigning to 'linux'. ** Package changed: network-manager (Ubuntu) => linux (Ubuntu) -- 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/979371 Title: iwlwifi WPA/WPA2 connection slow to establish on Ubuntu 12.04 Status in “linux” package in Ubuntu: New Bug description: Wifi connection (WPA2) is very slow upon login, can take several attempts but usually connects after a minute or so. Connecting to an unsecure network works fine connecting within a second or so after login. My previous Ubuntu 11.10 and 12.04 alpha installations did not have this problem. driver: iwlwifi setup: Ubuntu 12.04 beta2 amd64 on a Toshiba Portege R600 uname -a Linux kuiper 3.2.0-22-generic #35-Ubuntu SMP Tue Apr 3 18:33:15 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux lspci | grep WiFi 01:00.0 Network controller: Intel Corporation WiFi Link 5100 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/979371/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

