On Monday 23 February 2009 12:15:54 Michael Buesch wrote:
> On Monday 23 February 2009 03:40:01 John Mountcastle wrote:
> > mtcs...@sybill:~/Desktop> sudo /usr/sbin/iwconfig wlan0
> > wlan0     IEEE 802.11bg  ESSID:"MBR-6d2"  
> >           Mode:Managed  Frequency:2.417 GHz  Access Point: 
> > 00:30:44:02:76:D2   
> >           Bit Rate=1 Mb/s   Tx-Power=27 dBm   
> >           Retry min limit:7   RTS thr:off   Fragment thr=2352 B   
> >           Encryption key:7761-7465-7266-616C-6C30-3030-30   Security 
> > mode:open
> >           Power Management:off
> >           Link Quality=51/100  Signal level:-5 dBm  Noise level=-17 dBm
> >           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
> >           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
> > 
> > Note that while b43-phy0 debug says desired output is 15.0dBm, iwconfig 
> > says it's askigng for 27. 
> 
> Right, that's what I suspected.
> 
> Can you try wireless-compat? It prints additional debugging info for this.
> compat is easy to install, usually. Just download it and do make; make 
> install in the
> extracted source tree. You don't need to change your kernel for this. You can 
> run it
> on a standard distribution kernel, usually.
> 

I made a patch which fixes up a possible PROM screwup:
http://bu3sch.de/patches/wireless-testing/20090223-1324/patches/018-b43-txpwr-sprom-fixes.patch

You can apply that to compat-wireless:
        cd compat-wireless-2009-02-XX
        patch -p1 < 018-b43-txpwr-sprom-fixes.patch

-- 
Greetings, Michael.
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