Hello, i probably have same problem. Using WPA2 and wi-fi accidentlly stops working till restarting my machine Toshiba A300-20N.
$ uname -a Linux kamiccolo-laptop 2.6.32-26-generic #48-Ubuntu SMP Wed Nov 24 09:00:03 UTC 2010 i686 GNU/Linux $ lspci 03:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100 $ lsmod | grep iw iwlagn 106815 0 iwlcore 106050 1 iwlagn mac80211 205402 2 iwlagn,iwlcore led_class 2864 2 iwlcore,sdhci cfg80211 126528 3 iwlagn,iwlcore,mac80211 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/132042 Title: wireless stops working until reboot -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs