Gone back to 14.04 due multiple reasons, as Helio wrote: same here: uname -a Linux sitronen-T500 3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
dmesg | frep wlan[ 10.789417] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 10.789706] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 25.134956] wlan0: authenticate with 08:96:d7:9d:f6:a1 [ 25.140117] wlan0: send auth to 08:96:d7:9d:f6:a1 (try 1/3) [ 25.344117] wlan0: send auth to 08:96:d7:9d:f6:a1 (try 2/3) [ 25.548054] wlan0: send auth to 08:96:d7:9d:f6:a1 (try 3/3) [ 25.752042] wlan0: authentication with 08:96:d7:9d:f6:a1 timed out [ 25.788271] wlan0: authenticate with 08:96:d7:9d:f6:a1 [ 25.788350] wlan0: direct probe to 08:96:d7:9d:f6:a1 (try 1/3) [ 25.992035] wlan0: direct probe to 08:96:d7:9d:f6:a1 (try 2/3) [ 26.196113] wlan0: send auth to 08:96:d7:9d:f6:a1 (try 3/3) [ 26.206550] wlan0: authenticated [ 26.208048] wlan0: associate with 08:96:d7:9d:f6:a1 (try 1/3) [ 26.233139] wlan0: RX AssocResp from 08:96:d7:9d:f6:a1 (capab=0x431 status=0 aid=11) [ 26.242102] wlan0: associated [ 26.242180] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 30.274822] wlan0: disassociated from 08:96:d7:9d:f6:a1 (Reason: 2) [ 30.328236] wlan0: deauthenticating from 08:96:d7:9d:f6:a1 by local choice (reason=3) [ 72.204524] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3035.874583] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3042.166018] wlan0: authenticate with 08:96:d7:9d:f6:a1 [ 3042.176186] wlan0: send auth to 08:96:d7:9d:f6:a1 (try 1/3) [ 3042.181177] wlan0: authenticated [ 3042.184129] wlan0: associate with 08:96:d7:9d:f6:a1 (try 1/3) [ 3042.207339] wlan0: RX AssocResp from 08:96:d7:9d:f6:a1 (capab=0x431 status=0 aid=12) [ 3042.209730] wlan0: associated [ 3042.209761] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 3042.229302] wlan0: deauthenticating from 08:96:d7:9d:f6:a1 by local choice (reason=2) [ 3042.278931] wlan0: authenticate with 08:96:d7:9d:f6:a1 [ 3042.279005] wlan0: send auth to 08:96:d7:9d:f6:a1 (try 1/3) [ 3042.285993] wlan0: authenticated [ 3042.288104] wlan0: associate with 08:96:d7:9d:f6:a1 (try 1/3) [ 3042.308969] wlan0: RX AssocResp from 08:96:d7:9d:f6:a1 (capab=0x431 status=0 aid=12) [ 3042.310585] wlan0: associated [ 3074.316071] ieee80211 phy0: wlan0: No probe response from AP 08:96:d7:9d:f6:a1 after 500ms, disconnecting. [ 3077.546352] wlan0: authenticate with 08:96:d7:9d:f6:a1 [ 3077.552140] wlan0: send auth to 08:96:d7:9d:f6:a1 (try 1/3) [ 3077.571165] wlan0: authenticated [ 3077.572104] wlan0: associate with 08:96:d7:9d:f6:a1 (try 1/3) [ 3077.762850] wlan0: RX AssocResp from 08:96:d7:9d:f6:a1 (capab=0x431 status=0 aid=12) [ 3077.781197] wlan0: associated ** Summary changed: - [Kubuntu 14.10] Network manager stops working: iwl3945 0000:03:00.0: BSM uCode verification failed at addr ...; wlan0: deauthenticating from... by local choice (Reason: 3=DEAUTH_LEAVING), + [Kubuntu 14.04 and 14.10] Network manager stops working: iwl3945 0000:03:00.0: BSM uCode verification failed at addr ...; wlan0: deauthenticating from... by local choice (Reason: 3=DEAUTH_LEAVING), -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1408963 Title: [Kubuntu 14.04 and 14.10] Network manager stops working: iwl3945 0000:03:00.0: BSM uCode verification failed at addr ...; wlan0: deauthenticating from... by local choice (Reason: 3=DEAUTH_LEAVING), To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1408963/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
