Re: sudden wireless problem
What does this output:
--8<---------------cut here---------------start------------->8---
# lspci -vnn | grep BCM4306
# /etc/init.d/NetworkManager stop # Stop nm.
# ifdown wlan0 # For any case.
# ifconfig wlan0 up # Take wlan0 up.
# iwlist wlan0 scan # Scan APs.
--8<---------------cut here---------------end--------------->8---
On Sun, 31 Jul 2011 04:49:38 -0700 (PDT), Steven Sciame writes:
> Last night my wireless suddenly stopped working. The only thing I did
> differently from any other night that I can think of is close the lid while the
> computer was trying to Hibernate. Ten minutes later I realized I needed to send
> one more email so I tried to wake the computer up and suddenly my wireless
> wasn't working. On the network manager no wireless networks were displayed (I
> live in a highrise and there are usually many listed so I know that it is not
> just a problem with my wireless router which was the first thing that I
> thought).
>
> I am using a Compaq Presario 2210us. I right clicked on the network manager,
> unchecked the enable wireless, then rechecked. The led on my network card would
> respond (turn off, then back on), but that didn't help. I then did the same
> thing with enable networking.
>
> I then did: ifconfig wlan0 down, then back up again. I even tried to reinstall b43 from http://wiki.debian.org/bcm43xx ; but that did not seem to fix anything.
>
> A few months ago I needed to make a Vanilla kernel (2.6.38) for another issue
> that has since been fixed so I don't use it anymore (I now use the one that is
> with Squeeze 2.6.32). I decided to select that 2.6.38 upon startup just to see
> if that would help and something interesting happened: When clicking on the
> network manager the, "Enable wireless" was greyed out.
>
> Here is some output after restarting again this morning with the 2.6.32 Squeeze kernel:
>
> steven@debtop:~$ dmesg | tail -25
> [ 9.533637] loop: module loaded
> [ 11.556603] fuse init (API version 7.13)
> [ 12.845751] input: ACPI Virtual Keyboard Device as /devices/virtual/input/input7
> [ 14.557229] eth0: link down
> [ 14.557323] ADDRCONF(NETDEV_UP): eth0: link is not ready
> [ 14.584065] b43 ssb0:0: firmware: requesting b43/ucode5.fw
> [ 14.618394] b43 ssb0:0: firmware: requesting b43/pcm5.fw
> [ 14.626731] b43 ssb0:0: firmware: requesting b43/b0g0initvals5.fw
> [ 14.636424] b43 ssb0:0: firmware: requesting b43/b0g0bsinitvals5.fw
> [ 14.772058] b43-phy0: Loading firmware version 410.2160 (2007-05-26 15:32:10)
> [ 14.828984] ADDRCONF(NETDEV_UP): wlan0: link is not ready
> [ 16.518143] apm: BIOS not found.
> [ 18.273121] Bluetooth: Core ver 2.15
> [ 18.273211] NET: Registered protocol family 31
> [ 18.273214] Bluetooth: HCI device and connection manager initialized
> [ 18.273218] Bluetooth: HCI socket layer initialized
> [ 18.809841] Bluetooth: L2CAP ver 2.14
> [ 18.809846] Bluetooth: L2CAP socket layer initialized
> [ 19.229135] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
> [ 19.229141] Bluetooth: BNEP filters: protocol multicast
> [ 19.740665] Bridge firewalling registered
> [ 19.903792] Bluetooth: SCO (Voice Link) ver 0.6
> [ 19.903797] Bluetooth: SCO socket layer initialized
> [ 20.454349] lp: driver loaded but no devices found
> [ 20.483194] ppdev: user-space parallel port driver
> steven@debtop:~$ su
> Password:
> debtop:/home/steven# ifconfig wlan0 down
> debtop:/home/steven# ifconfig wlan0 up
> debtop:/home/steven# lsmod | grep b43
> b43 132411 0
> mac80211 122866 1 b43
> cfg80211 86977 2 b43,mac80211
> led_class 1757 1 b43
> rng_core 2178 1 b43
> ssb 33578 1 b43
> mmc_core 38277 2 b43,ssb
> pcmcia 16194 2 b43,ssb
> pcmcia_core 20414 5 b43,yenta_socket,rsrc_nonstatic,ssb,pcmcia
> debtop:/home/steven# exit
> steven@debtop:~$ lspci | grep -i wireless
> 02:06.0 Network controller: Broadcom Corporation BCM4306 802.11b/g Wireless LAN Controller (rev 03)
> steven@debtop:~$
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