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Re: Slow b43 with 2.6.25.9 on an asus wl-700ge home-router

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On Wed, Jul 9, 2008 at 7:50 AM, Stefan Monnier <monnier@xxxxxxxxxxxxxxxx> wrote:
> I finally started to use the b43 driver on my home-router and am happy
> to have it working at all (with WPA), but I notice that the speed is
> pretty terrible: I cannot seem to get more than 100KB/s out of it (I
> use it as a personal web proxy, so it ends up slowing down my
> web-surfing :-( ).
>
> Originally "iwconfig" told me that the bit rate was 2Mb/s (and even
> that should allow me to get a bit more than 100KB/s).
> After "iwconfig wlan0 rate 54M", the result is the same (except that
> "iwconfig" tells me the bit rate is 54Mb/s).
>
> More specifically, iwconfig tells me things like:
>
> wlan0     IEEE 802.11  ESSID:"test"
>          Mode:Managed  Frequency:2.457 GHz  Access Point: 00:10:30:C0:50:50
>          Bit Rate=54 Mb/s   Tx-Power=27 dBm
>          Retry min limit:7   RTS thr:off   Fragment thr=2352 B
>          Link Quality=95/100  Signal level:-54 dBm  Noise level=-63 dBm
>          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>          Tx excessive retries:0  Invalid misc:0   Missed beacon:0
>
> which seems to indicate that the reception is indeed good.
> Any idea what I might want to check?
>
> I did notice that my dmesg says things like
> "received packet with  own address as source address".  This seems
> related to my use of bridging, but:
> 1 - I have no bridging loop (actually I unplugged all ethernet cables,
>    so the only active network interface in the bridge is wlan0).
> 2 - taking wlan0 out of the bridge eliminates those messages, but
>    doesn't improve the bandwidth.
>
> Any idea what might be going on?
>
>
>        Stefan
>
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>

Can you see "PHY transmission error" messages in dmesg? If you get
those, then that's a known bug.

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