[ 7735.500080] b43 ssb0:0: firmware: requesting b43/ucode13.fw
[ 7795.500203] b43 ssb0:0: firmware: requesting b43-open/ucode13.fw
[ 7855.500154] b43-phy0 ERROR: Firmware file "b43/ucode13.fw" not found
[ 7855.500166] b43-phy0 ERROR: Firmware file "b43-open/ucode13.fw" not found
[ 7855.500175] b43-phy0 ERROR: You must go to http://wireless.kernel.org/en/user
s/Drivers/b43#devicefirmware and download the correct firmware for this driver v
ersion. Please carefully read all instructions on this website.