Comment 20 for bug 1408963

Similar behavior on a Dell inspiron 9400:

systemd[1]: Started Network Manager.
systemd[1]: Starting Network Manager Wait Online...
NetworkManager[8547]: <error> [1432706094.998351] [platform/nm-linux-platform.c:2250] link_change(): Netlink error changing link 3: <UP> mtu 0 (1) driver 'iwl3945' udi '/sys/devices/pci0000:00/0000:00:1c.1/0000:0c:00.0/net/wlan0': Unspecific failure
NetworkManager[8547]: <info> (wlan0): preparing device
kernel: [ 2587.386187] iwl3945 0000:0c:00.0: Unable to initialize device after 5 attempts.
kernel: [ 2587.436284] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
kernel: [ 2587.436292] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
kernel: [ 2587.482952] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
kernel: [ 2587.482957] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
kernel: [ 2587.529622] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
kernel: [ 2587.529626] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
kernel: [ 2587.576289] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
kernel: [ 2587.576294] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
kernel: [ 2587.622952] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
kernel: [ 2587.622956] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
rtkit-daemon[7818]: Successfully made thread 8558 of process 8558 (n/a) owned by '1000' high priority at nice level -11.
rtkit-daemon[7818]: Supervising 1 threads of 1 processes of 1 users.
pulseaudio[8558]: [pulseaudio] pid.c: Stale PID file, overwriting.
kernel: [ 2587.660738] iwl3945 0000:0c:00.0: Unable to initialize device after 5 attempts.
wpa_supplicant[840]: Could not set interface wlan0 flags (UP): Input/output error
wpa_supplicant[840]: nl80211: Could not set interface 'wlan0' UP
NetworkManager[8547]: <info> urfkill disappeared from the bus