[arch-general] wireless driver broadcom b43 random success or failure

[Dieter Wirz]

sudo echo b43 >> /etc/modules


On Sat, Apr 9, 2016 at 5:17 PM, message <letter at openmailbox.org> wrote:
> Readers,
>
> Can anyone explain if the following 'dmesg' outputs are useful to understand
> why after start of X session, the wireless driver fails sometimes? The
> wireless driver does not start automatically and is always started manually
> with the command (as root):
>
> modprobe b43
>
> Below is the dmesg output when the command above, starts successfully the
> wireless driver:
>
> b44: Broadcom 44xx/47xx 10/100 PCI ethernet driver version 2.0
> b44 ssb1:0 eth0: Broadcom 44xx/47xx 10/100 PCI ethernet driver ...
> IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
> b43-phy0: Broadcom 4311 WLAN found (core revision 10)
> b43-phy0: Found PHY: Analog 4, Type 2 (G), Revision 8
> b43-phy0: Found Radio: Manuf 0x17F, ID 0x2050, Revision 2, Version 0
> Broadcom 43xx driver loaded [ Features: PNLS ]
> ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
> IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
> b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
> IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
> wlan0: authenticate with ...
> wlan0: send auth to ... (try 1/3)
> wlan0: authenticated
> wlan0: associate with ... (try 1/3)
> wlan0: RX AssocResp from ... (capab=0x431 status=0 aid=1)
> wlan0: associated
> IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
>
> Below when the 'modprobe b43' fails to start the wireless driver:
>
> b43-phy0: Broadcom 4311 WLAN found (core revision 10)
> b43-phy0: Found PHY: Analog 4, Type 2 (G), Revision 8
> b43-phy0 ERROR: FOUND UNSUPPORTED RADIO (Manuf 0xFFF, ID 0xFFFF, Revision
> 15, Version 0)
> b43: probe of ssb0:0 failed with error -95
> Broadcom 43xx driver loaded [ Features: PNLS ]
>
> The only solution seems to be to switch off the computer and start again,
> sometimes 3 or 4 times repeated failure occurs.