Yes I can confirm this problem.
I have bcm4318 card and my connection frequently and unexpectidely is
dropping with b43 (I had no problem with bcm43xx module). It did not
differ at all which firmware I used.
dmesg gives:
b43-phy1: Loading firmware version 410.2160 (2007-05-26 15:32:10)
Registered led device: b43-phy1::tx
Registered led device: b43-phy1::rx
Registered led device: b43-phy1::radio
ADDRCONF(NETDEV_UP): wlan0: link is not ready
wlan0: deauthenticating by local choice (reason=3)
input: b43-phy1 as /devices/virtual/input/input10
b43-phy1: Loading firmware version 410.2160 (2007-05-26 15:32:10)
Registered led device: b43-phy1::tx
Registered led device: b43-phy1::rx
Registered led device: b43-phy1::radio
ADDRCONF(NETDEV_UP): wlan0: link is not ready
wlan0: authenticate with AP 00:73:05:10:a0:84
wlan0: authenticated
wlan0: associate with AP 00:73:05:10:a0:84
wlan0: RX AssocResp from 00:73:05:10:a0:84 (capab=0x471 status=0 aid=2)
wlan0: associated
ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
wlan0: no IPv6 routers present
...
wlan0: No ProbeResp from current AP 00:73:05:10:a0:84 - assume out of range
wlan0: authenticate with AP 00:73:05:10:a0:84
wlan0: authenticate with AP 00:73:05:10:a0:84
wlan0: authenticate with AP 00:73:05:10:a0:84
wlan0: authenticate with AP 00:73:05:10:a0:84
wlan0: authentication with AP 00:73:05:10:a0:84 timed out
Please help...
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