Also seeing this with a Broadcom BCM43224 (WiFi chip in a Macbook Air 3,1) joining an ad-hoc network that worked under Natty. The relevant bits from /var/log/syslog seem to be
Oct 6 15:29:35 empire wpa_supplicant[1015]: Trying to associate with SSID 'tanet-adhoc'
Oct 6 15:29:35 empire kernel: [ 4955.301973] ieee80211 phy0: wl_ops_config: change monitor mode: false (implement)
Oct 6 15:29:35 empire kernel: [ 4955.301979] ieee80211 phy0: wl_ops_config: change power-save mode: false (implement)
Oct 6 15:29:35 empire kernel: [ 4955.314834] ieee80211 phy0: wl_ops_bss_info_changed: qos enabled: false (implement)
Oct 6 15:29:35 empire wpa_supplicant[1015]: nl80211: Failed to set interface into IBSS mode
Oct 6 15:29:35 empire wpa_supplicant[1015]: Association request to the driver failed
Oct 6 15:29:35 empire kernel: [ 4955.324516] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Also seeing this with a Broadcom BCM43224 (WiFi chip in a Macbook Air 3,1) joining an ad-hoc network that worked under Natty. The relevant bits from /var/log/syslog seem to be
Oct 6 15:29:35 empire wpa_supplicant[ 1015]: Trying to associate with SSID 'tanet-adhoc' bss_info_ changed: qos enabled: false (implement) 1015]: nl80211: Failed to set interface into IBSS mode 1015]: Association request to the driver failed NETDEV_ UP): wlan0: link is not ready
Oct 6 15:29:35 empire kernel: [ 4955.301973] ieee80211 phy0: wl_ops_config: change monitor mode: false (implement)
Oct 6 15:29:35 empire kernel: [ 4955.301979] ieee80211 phy0: wl_ops_config: change power-save mode: false (implement)
Oct 6 15:29:35 empire kernel: [ 4955.314834] ieee80211 phy0: wl_ops_
Oct 6 15:29:35 empire wpa_supplicant[
Oct 6 15:29:35 empire wpa_supplicant[
Oct 6 15:29:35 empire kernel: [ 4955.324516] ADDRCONF(