I am also seeing the issue as well: Lenovo T500 with the intel 5100 (AGN) chipset
We have a wireless network with 32 AP's in our office using a wireless controller. They are all about 30% power level and I can talk with 3 at any time... so in other words this is happening about every 5 min when it thinks that it should be talking to a different one If you need any info, logs or testing please let me know. from syslog about 30 sec after I connected it dropped this last one: Nov 4 10:08:08 clotho NetworkManager: <info> (wlan0): supplicant connection state change: 5 -> 6 Nov 4 10:08:08 clotho NetworkManager: <info> (wlan0): supplicant connection state change: 6 -> 7 Nov 4 10:08:13 clotho NetworkManager: <debug> [1225814893.514782] periodic_update(): Roamed from BSSID 00:1B:2B:<SNIP> (<SNIP>) to 00:18:74:<SNIP> (<SNIP>) Nov 4 10:08:16 clotho kernel: [ 617.188608] CE: hpet increasing min_delta_ns to 15000 nsec Nov 4 10:08:17 clotho kernel: [ 618.308590] CE: hpet increasing min_delta_ns to 22500 nsec -- WiFi roaming causes NetworkManager to lose routing https://bugs.launchpad.net/bugs/201202 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
