15.04 Macbook Air 2,1 can't connect to Wifi

**lawrencius** · July 10th, 2015

Hello All,

I just installed 15.04 on my old Macbook Air(2,1) and I'm having an issue connecting to Wifi, specifically when I click on my network menu option the wifi menu says "WiFi Networks disconnected" in light grey. I plugged in my ethernet cable so I can download and install any packages.

So far I tried:

- Installing the broadcom driver

sudo apt-get install --reinstall bcmwl-kernel-source broadcom-sta-common broadcom-sta-source
echo "blacklist brcmsmac" | sudo tee -a /etc/modprobe.d/blacklist.conf
echo "blacklist bcma" | sudo tee -a /etc/modprobe.d/blacklist.conf

- Installing the firmware b43

sudo apt-get install firmware-b43-installer

- Installing linux-firmware-nonfree b43-fwcutter

sudo apt-get purge bcmwl-kernel-source broadcom-sta-common broadcom-sta-source
sudo apt-get install linux-firmware-nonfree b43-fwcutter

- Unblock any blocks

sudo rfkill unblock all

- Using Ubuntu ISO, I mounted my install USB and tried to add the driver according to this tutorial. http://itsfoss.com/fix-no-wireless-network-ubuntu/

- Followed this answer of blocking ssb (http://askubuntu.com/a/605598)

- installed new driver according to post (http://ubuntuforums.org/showthread.php?t=2243562&page=2)

One of the answers I found mentioned commenting the "blacklist bcm43XX" in /etc/modprobe from blacklist.conf which I did, yet for some reason I have two other references when I search. Could this be the issue?

HTML Code:

lawrence@Lawrence-MacBookAir:/etc/modprobe.d$ cat /etc/modprobe.d/* | egrep 'bcm'
# Warning: This file is autogenerated by bcmwl. All changes to this file will be lost.
blacklist bcm43xx
blacklist bcma
#blacklist bcm43xx

Any help is appreciated. Thanks ahead!

No blocks:

HTML Code:

lawrence@Lawrence-MacBookAir:/etc/modprobe.d$ sudo rfkill list 
0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
2: brcmwl-0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

FYI driver

HTML Code:

lawrence@Lawrence-MacBookAir:/etc/modprobe.d$ lspci -nn | grep 0280
03:00.0 Network controller [0280]: Broadcom Corporation BCM4321 802.11a/b/g/n [14e4:4328] (rev 05)

FYI ifconfig

HTML Code:

lawrence@Lawrence-MacBookAir:/etc/modprobe.d$ ifconfig
eth0      Link encap:Ethernet  HWaddr 10:9a:dd:42:7b:fe  
          inet addr:192.168.0.12  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::129a:ddff:fe42:7bfe/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2257 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1117 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:2187932 (2.1 MB)  TX bytes:130715 (130.7 KB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:443 errors:0 dropped:0 overruns:0 frame:0
          TX packets:443 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:40449 (40.4 KB)  TX bytes:40449 (40.4 KB)

Screenshot from additional drivers, showing I selected the broadcom driver
Screenshot from 2015-07-10 16:58:35.jpg

I added the wireless script output as suggested here (http://ubuntuforums.org/showthread.p...5#post12350385)

Code:

########## wireless info START ##########

Report from: 10 Jul 2015 17:59 EDT -0400

Booted last: 10 Jul 2015 17:44 EDT -0400

Script from: 21 May 2015 09:10 UTC +0000

##### release ###########################

Distributor ID:	Ubuntu
Description:	Ubuntu 15.04
Release:	15.04
Codename:	vivid

##### kernel ############################

Linux 3.19.0-22-generic #22-Ubuntu SMP Tue Jun 16 17:15:15 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

Parameters: ro, quiet, splash, vt.handoff=7

##### desktop ###########################

Ubuntu

##### lspci #############################

03:00.0 Network controller [0280]: Broadcom Corporation BCM4321 802.11a/b/g/n [14e4:4328] (rev 05)
	Subsystem: Apple Inc. AirPort Extreme [106b:008b]
	Kernel driver in use: b43-pci-bridge

##### lsusb #############################

Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 003: ID 05ac:8210 Apple, Inc. 
Bus 004 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 05ac:8505 Apple, Inc. Built-in iSight
Bus 001 Device 002: ID 05ac:1402 Apple, Inc. Ethernet Adapter [A1277]
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 003: ID 05ac:0223 Apple, Inc. Internal Keyboard/Trackpad (ANSI)
Bus 003 Device 002: ID 05ac:8242 Apple, Inc. Built-in IR Receiver
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

##### PCMCIA card info ##################

##### rfkill ############################

0: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no
1: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no

##### lsmod #############################

ssb_hcd                16384  0 
b43                   421888  0 
bcma                   57344  1 b43
mac80211              724992  1 b43
mxm_wmi                16384  1 nouveau
wmi                    20480  2 mxm_wmi,nouveau
cfg80211              540672  2 b43,mac80211
ssb                    65536  2 b43,ssb_hcd

##### interfaces ########################

auto lo
iface lo inet loopback

##### ifconfig ##########################

eth0      Link encap:Ethernet  HWaddr <MAC 'eth0' [IF]>  
          inet addr:192.168.0.12  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::129a:ddff:fe42:7bfe/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:9825 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5242 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:10365439 (10.3 MB)  TX bytes:588436 (588.4 KB)

wlan0     Link encap:Ethernet  HWaddr <MAC 'wlan0' [IF]>  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

##### iwconfig ##########################

eth0      no wireless extensions.

lo        no wireless extensions.

wlan0     IEEE 802.11abg  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          

##### route #############################

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         192.168.0.1     0.0.0.0         UG    1024   0        0 eth0
169.254.0.0     0.0.0.0         255.255.0.0     U     1000   0        0 eth0
192.168.0.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0

##### resolv.conf #######################

nameserver 127.0.1.1

##### network managers ##################

Installed:

	NetworkManager

Running:

root       640     1  0 17:44 ?        00:00:00 /usr/sbin/NetworkManager --no-daemon

##### NetworkManager info ###############

GENERAL.DEVICE:                         eth0
GENERAL.TYPE:                           ethernet
GENERAL.VENDOR:                         Apple Inc.      
GENERAL.PRODUCT:                        Apple USB Ethernet Adapter
GENERAL.DRIVER:                         asix
GENERAL.DRIVER-VERSION:                 22-Dec-2011
GENERAL.FIRMWARE-VERSION:               ASIX AX88772 USB 2.0 Ethernet
GENERAL.HWADDR:                         <MAC 'eth0' [IF]>
GENERAL.MTU:                            1500
GENERAL.STATE:                          100 (connected)
GENERAL.REASON:                         0 (No reason given)
GENERAL.UDI:                            /sys/devices/pci0000:00/0000:00:04.1/usb1/1-1/1-1:1.0/net/eth0
GENERAL.IP-IFACE:                       eth0
GENERAL.NM-MANAGED:                     yes
GENERAL.AUTOCONNECT:                    yes
GENERAL.FIRMWARE-MISSING:               no
GENERAL.CONNECTION:                     Wired connection 1
GENERAL.CON-UUID:                       d3941b52-1f56-4eda-9924-10e445a70963
GENERAL.CON-PATH:                       /org/freedesktop/NetworkManager/ActiveConnection/0
CAPABILITIES.CARRIER-DETECT:            yes
CAPABILITIES.SPEED:                     100 Mb/s
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{0}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]:   d3941b52-1f56-4eda-9924-10e445a70963 | Wired connection 1
WIRED-PROPERTIES.CARRIER:               on
IP4.ADDRESS[1]:                         ip = 192.168.0.12/24, gw = 192.168.0.1
IP4.ROUTE[1]:                           dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]:                             209.18.47.61
IP4.DNS[2]:                             209.18.47.62
DHCP4.OPTION[1]:                        requested_subnet_mask = 1
DHCP4.OPTION[2]:                        requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[3]:                        subnet_mask = 255.255.255.0
DHCP4.OPTION[4]:                        domain_name_servers = 209.18.47.61 209.18.47.62
DHCP4.OPTION[5]:                        ip_address = 192.168.0.12
DHCP4.OPTION[6]:                        requested_static_routes = 1
DHCP4.OPTION[7]:                        dhcp_server_identifier = 192.168.0.1
DHCP4.OPTION[8]:                        default_ip_ttl = 64
DHCP4.OPTION[9]:                        requested_time_offset = 1
DHCP4.OPTION[10]:                       time_offset = 0
DHCP4.OPTION[11]:                       broadcast_address = 192.168.0.255
DHCP4.OPTION[12]:                       requested_interface_mtu = 1
DHCP4.OPTION[13]:                       requested_domain_name_servers = 1
DHCP4.OPTION[14]:                       dhcp_rebinding_time = 3150
DHCP4.OPTION[15]:                       dhcp_message_type = 5
DHCP4.OPTION[16]:                       requested_broadcast_address = 1
DHCP4.OPTION[17]:                       routers = 192.168.0.1
DHCP4.OPTION[18]:                       dhcp_renewal_time = 1800
DHCP4.OPTION[19]:                       requested_domain_name = 1
DHCP4.OPTION[20]:                       requested_routers = 1
DHCP4.OPTION[21]:                       expiry = 1436568247
DHCP4.OPTION[22]:                       requested_wpad = 1
DHCP4.OPTION[23]:                       requested_netbios_scope = 1
DHCP4.OPTION[24]:                       requested_ms_classless_static_routes = 1
DHCP4.OPTION[25]:                       requested_netbios_name_servers = 1
DHCP4.OPTION[26]:                       network_number = 192.168.0.0
DHCP4.OPTION[27]:                       requested_domain_search = 1
DHCP4.OPTION[28]:                       requested_ntp_servers = 1
DHCP4.OPTION[29]:                       next_server = 192.168.0.1
DHCP4.OPTION[30]:                       requested_host_name = 1
DHCP4.OPTION[31]:                       dhcp_lease_time = 3600
IP6.ADDRESS[1]:                         ip = fe80::129a:ddff:fe42:7bfe/64, gw = ::

GENERAL.DEVICE:                         wlan0
GENERAL.TYPE:                           wifi
GENERAL.VENDOR:                         Broadcom Corporation
GENERAL.PRODUCT:                        BCM4321 802.11a/b/g/n (AirPort Extreme)
GENERAL.DRIVER:                         b43
GENERAL.DRIVER-VERSION:                 3.19.0-22-generic
GENERAL.FIRMWARE-VERSION:               N/A
GENERAL.HWADDR:                         <MAC 'wlan0' [IF]>
GENERAL.MTU:                            1500
GENERAL.STATE:                          30 (disconnected)
GENERAL.REASON:                         42 (The supplicant is now available)
GENERAL.UDI:                            /sys/devices/pci0000:00/0000:00:15.0/0000:03:00.0/ssb0:0/net/wlan0
GENERAL.IP-IFACE:                       
GENERAL.NM-MANAGED:                     yes
GENERAL.AUTOCONNECT:                    yes
GENERAL.FIRMWARE-MISSING:               no
GENERAL.CONNECTION:                     --
GENERAL.CON-UUID:                       --
GENERAL.CON-PATH:                       --
CAPABILITIES.CARRIER-DETECT:            no
CAPABILITIES.SPEED:                     unknown
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: 
WIFI-PROPERTIES.WEP:                    yes
WIFI-PROPERTIES.WPA:                    yes
WIFI-PROPERTIES.WPA2:                   yes
WIFI-PROPERTIES.TKIP:                   yes
WIFI-PROPERTIES.CCMP:                   yes
WIFI-PROPERTIES.AP:                     yes
WIFI-PROPERTIES.ADHOC:                  yes

SSID  BSSID  MODE  CHAN  FREQ  RATE  SIGNAL  BARS  SECURITY  ACTIVE  * 

##### NetworkManager.state ##############

[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true

##### NetworkManager.conf ###############

[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq

[ifupdown]
managed=false

##### NetworkManager profiles ###########

Sorry, try again.

##### iw reg get ########################

Region: America/New_York (based on set time zone)

country 00: DFS-UNSET
	(2402 - 2472 @ 40), (3, 20), (N/A)
	(2457 - 2482 @ 40), (3, 20), (N/A), NO-IR
	(2474 - 2494 @ 20), (3, 20), (N/A), NO-OFDM, NO-IR
	(5170 - 5250 @ 40), (3, 20), (N/A), NO-IR
	(5735 - 5835 @ 40), (3, 20), (N/A), NO-IR

##### iwlist channels ###################

eth0      no frequency information.

lo        no frequency information.

wlan0     32 channels in total; available frequencies :
          Channel 01 : 2.412 GHz
          Channel 02 : 2.417 GHz
          Channel 03 : 2.422 GHz
          Channel 04 : 2.427 GHz
          Channel 05 : 2.432 GHz
          Channel 06 : 2.437 GHz
          Channel 07 : 2.442 GHz
          Channel 08 : 2.447 GHz
          Channel 09 : 2.452 GHz
          Channel 10 : 2.457 GHz
          Channel 11 : 2.462 GHz
          Channel 12 : 2.467 GHz
          Channel 13 : 2.472 GHz
          Channel 14 : 2.484 GHz
          Channel 36 : 5.18 GHz
          Channel 38 : 5.19 GHz
          Channel 40 : 5.2 GHz
          Channel 42 : 5.21 GHz
          Channel 44 : 5.22 GHz
          Channel 46 : 5.23 GHz
          Channel 48 : 5.24 GHz
          Channel 149 : 5.745 GHz
          Channel 150 : 5.75 GHz
          Channel 151 : 5.755 GHz
          Channel 152 : 5.76 GHz
          Channel 153 : 5.765 GHz
          Channel 154 : 5.77 GHz
          Channel 155 : 5.775 GHz
          Channel 156 : 5.78 GHz
          Channel 157 : 5.785 GHz
          Channel 158 : 5.79 GHz
          Channel 159 : 5.795 GHz

##### iwlist scan #######################

eth0      Interface doesn't support scanning.

lo        Interface doesn't support scanning.

wlan0     No scan results

##### module infos ######################

[ssb_hcd]
filename:       /lib/modules/3.19.0-22-generic/kernel/drivers/usb/host/ssb-hcd.ko
license:        GPL
description:    Common USB driver for SSB Bus
author:         Hauke Mehrtens
srcversion:     2A4C0EB5791EE9A11133FCB
depends:        ssb
intree:         Y
vermagic:       3.19.0-22-generic SMP mod_unload modversions 
signer:         Magrathea: Glacier signing key
sig_key:        C7:D4:40:34:4C:0B:3A:C2:A3:CE:C2:AE:B9:72:2E:CF:6C:AE:73:91
sig_hashalgo:   sha512

[b43]
filename:       /lib/modules/3.19.0-22-generic/kernel/drivers/net/wireless/b43/b43.ko
firmware:       b43/ucode9.fw
firmware:       b43/ucode5.fw
firmware:       b43/ucode16_mimo.fw
firmware:       b43/ucode15.fw
firmware:       b43/ucode14.fw
firmware:       b43/ucode13.fw
firmware:       b43/ucode11.fw
license:        GPL
author:         Rafał Miłecki
author:         Gábor Stefanik
author:         Michael Buesch
author:         Stefano Brivio
author:         Martin Langer
description:    Broadcom B43 wireless driver
srcversion:     25A88E97301A6821E663814
depends:        bcma,ssb,mac80211,cfg80211
intree:         Y
vermagic:       3.19.0-22-generic SMP mod_unload modversions 
signer:         Magrathea: Glacier signing key
sig_key:        C7:D4:40:34:4C:0B:3A:C2:A3:CE:C2:AE:B9:72:2E:CF:6C:AE:73:91
sig_hashalgo:   sha512
parm:           bad_frames_preempt:enable(1) / disable(0) Bad Frames Preemption (int)
parm:           fwpostfix:Postfix for the .fw files to load. (string)
parm:           hwpctl:Enable hardware-side power control (default off) (int)
parm:           nohwcrypt:Disable hardware encryption. (int)
parm:           hwtkip:Enable hardware tkip. (int)
parm:           qos:Enable QOS support (default on) (int)
parm:           btcoex:Enable Bluetooth coexistence (default on) (int)
parm:           verbose:Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug (int)
parm:           pio:Use PIO accesses by default: 0=DMA, 1=PIO (int)
parm:           allhwsupport:Enable support for all hardware (even it if overlaps with the brcmsmac driver) (int)

[bcma]
filename:       /lib/modules/3.19.0-22-generic/kernel/drivers/bcma/bcma.ko
license:        GPL
description:    Broadcom's specific AMBA driver
srcversion:     F17244FFF75F9BDF92327ED
depends:        
intree:         Y
vermagic:       3.19.0-22-generic SMP mod_unload modversions 
signer:         Magrathea: Glacier signing key
sig_key:        C7:D4:40:34:4C:0B:3A:C2:A3:CE:C2:AE:B9:72:2E:CF:6C:AE:73:91
sig_hashalgo:   sha512

[mac80211]
filename:       /lib/modules/3.19.0-22-generic/kernel/net/mac80211/mac80211.ko
license:        GPL
description:    IEEE 802.11 subsystem
srcversion:     88CC41451370601B0D885E4
depends:        cfg80211
intree:         Y
vermagic:       3.19.0-22-generic SMP mod_unload modversions 
signer:         Magrathea: Glacier signing key
sig_key:        C7:D4:40:34:4C:0B:3A:C2:A3:CE:C2:AE:B9:72:2E:CF:6C:AE:73:91
sig_hashalgo:   sha512
parm:           minstrel_vht_only:Use only VHT rates when VHT is supported by sta. (bool)
parm:           max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int)
parm:           max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int)
parm:           beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int)
parm:           probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)
parm:           ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp)

[cfg80211]
filename:       /lib/modules/3.19.0-22-generic/kernel/net/wireless/cfg80211.ko
description:    wireless configuration support
license:        GPL
author:         Johannes Berg
srcversion:     E61EB836E1B33C2A2918485
depends:        
intree:         Y
vermagic:       3.19.0-22-generic SMP mod_unload modversions 
signer:         Magrathea: Glacier signing key
sig_key:        C7:D4:40:34:4C:0B:3A:C2:A3:CE:C2:AE:B9:72:2E:CF:6C:AE:73:91
sig_hashalgo:   sha512
parm:           ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm:           cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)

[ssb]
filename:       /lib/modules/3.19.0-22-generic/kernel/drivers/ssb/ssb.ko
license:        GPL
description:    Sonics Silicon Backplane driver
srcversion:     551AE4C23939F7FBED9DA61
depends:        
intree:         Y
vermagic:       3.19.0-22-generic SMP mod_unload modversions 
signer:         Magrathea: Glacier signing key
sig_key:        C7:D4:40:34:4C:0B:3A:C2:A3:CE:C2:AE:B9:72:2E:CF:6C:AE:73:91
sig_hashalgo:   sha512

##### module parameters #################

[b43]
allhwsupport: 0
bad_frames_preempt: 0
btcoex: 1
hwpctl: 0
hwtkip: 0
nohwcrypt: 0
pio: 0
qos: 1
verbose: 2

[mac80211]
beacon_loss_count: 7
ieee80211_default_rc_algo: minstrel_ht
max_nullfunc_tries: 2
max_probe_tries: 5
minstrel_vht_only: Y
probe_wait_ms: 500

[cfg80211]
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00

##### /etc/modules ######################

##### modprobe options ##################

[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci

[/etc/modprobe.d/blacklist.conf]
blacklist evbug
blacklist usbmouse
blacklist usbkbd
blacklist eepro100
blacklist de4x5
blacklist eth1394
blacklist snd_intel8x0m
blacklist snd_aw2
blacklist i2c_i801
blacklist prism54
blacklist garmin_gps
blacklist asus_acpi
blacklist snd_pcsp
blacklist pcspkr
blacklist amd76x_edac
blacklist ndiswrapper

[/etc/modprobe.d/blacklist-rare-network.conf]
alias net-pf-3 off
alias net-pf-6 off
alias net-pf-9 off
alias net-pf-11 off
alias net-pf-12 off
alias net-pf-19 off
alias net-pf-21 off
alias net-pf-36 off

[/etc/modprobe.d/iwlwifi.conf]
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211

[/etc/modprobe.d/mlx4.conf]
softdep mlx4_core post: mlx4_en

##### rc.local ##########################

exit 0

##### pm-utils ##########################

[/etc/pm/config.d/modules] (644 root)
SUSPEND_MODULES="b43 bcma"

##### udev rules ########################

[/etc/udev/rules.d/70-persistent-net.rules]
# USB device 0x:0x (asix)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC 'eth0' [IF]>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
# PCI device 0x14e4:0x4328 (b43)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC 'wlan0' [IF]>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"

##### dmesg #############################

[    5.252029] b43-phy0: Found PHY: Analog 5, Type 4 (N), Revision 2
[    5.252040] b43-phy0: Found Radio: Manuf 0x17F, ID 0x2055, Revision 4, Version 0
[    8.520239] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[  444.248041] b43-phy0 ERROR: DMA RX reset timed out
[  444.432035] b43-phy0 ERROR: DMA TX reset timed out
[  444.451125] ssb: Timeout waiting for bitmask 01800000 on register 0F90 to clear.
[  445.284093] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)

########## wireless info END ############

**lawrencius** · July 11th, 2015

Reopened thread; yesterday after leaving my machine on for some period, I had access to the Wifi networks even after multiple reboots so I marked the thread as solved, yet today I'm back to square one. I can't see the wireless networks anymore.

**Turon** · July 22nd, 2015

Were you ever able to get WiFi on Ubuntu 14? cause I couldn't connect to WiFi then I did something I don't know what... but hey it works now! I had previously tried to install a Huawei wireless driver...

Thread: 15.04 Macbook Air 2,1 can't connect to Wifi

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