wifi stopped working, network manager glitch?

[Adam Ghandoura]

Hi,
Are you sure your wifi switch is On, i had the same problem if i boot with
the switch OFF.
marf.
2010/12/17 ANDY <sirald66 at gmail.com>

> DELL LATITUDE D600
> BROADCOM BCM4306 802.11b/g
> UBUNTU 9.10 +proposed
>
>
> My wifi has been working months and months, but just stopped.
>
> * I think I unchecked Enable Wireless from the Gnome Panel Network Manager
> drop-down.  [it is a known problem up to Ubuntu 9.10 that once the Enable
> Wireless is disabled either manually or by hibernate/sleep system modes,
> that it can not be re-enabled during the same session until the system has
> been restarted]
>
> * Restarted the system, it started asking for my wifi passphrase (which is
> still stored) and eventually it didn't see any local APs at all (of which
> there are many).  The pull down says the BROADCOM is Disconnected (not
> disabled).
>
> * A borrowed USB wifi stick (RALINK 802.11 BG WLAN) which worked and used
> the stored AP passphrase.
>
> * Checked the Hardware Drivers which showed BROADCOM B43 WIRELESS DRIVER as
> Active.  Removed/reinstalled it again as Active.
>
> * The Power Management field from iwconfig says off, and maybe should say
> 'managed'.  I tried 'iwconfig wlan0 up', but that is an unrecognized
> command/feature.
>
> * I noticed when I used the borrowed USB wifi stick, the Network Manager
> does not ask for my admin password as it did for the built-in wifi.  I just
> used the stored AP passphrase and connects.
>
>
> andy at TOBY:~$ dmesg | egrep 'b43|wlan0'
> [    1.846981] b43-pci-bridge 0000:02:03.0: PCI INT A -> Link[LNKB] -> GSI
> 5 (level, low) -> IRQ 5
> [   26.904262] b43-phy0: Broadcom 4306 WLAN found (core revision 5)
> [   28.276150] b43 ssb0:0: firmware: requesting b43/ucode5.fw
> [   28.280299] b43 ssb0:0: firmware: requesting b43/pcm5.fw
> [   28.287597] b43 ssb0:0: firmware: requesting b43/b0g0initvals5.fw
> [   28.295592] b43 ssb0:0: firmware: requesting b43/b0g0bsinitvals5.fw
> [   28.424237] b43-phy0: Loading firmware version 410.2160 (2007-05-26
> 15:32:10)
> [   28.500714] Registered led device: b43-phy0::tx
> [   28.500740] Registered led device: b43-phy0::rx
> [   28.500766] Registered led device: b43-phy0::radio
> [   28.501296] ADDRCONF(NETDEV_UP): wlan0: link is not ready
> andy at TOBY:~$
>
>
> andy at TOBY:~$ iwconfig
> [snip]
> wmaster0  no wireless extensions.
> wlan0     IEEE 802.11bg  ESSID:""
>           Mode:Managed  Frequency:2.412 GHz  Access Point: Not-Associated
>           Tx-Power=20 dBm
>           Retry  long limit:7   RTS thr:off   Fragment thr:off
>           Power Management:off
>           Link Quality:0  Signal level:0  Noise level:0
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
> andy at TOBY:~$
>
>
>
>
> ANDY - Salt Lake, UT US
>
>
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