[Bug]No probe response from after 500ms, disconnecting.

[James Anslow <james@jamesanslow.net>]

On 27/08/11 22:39, Rafa? Mi?ecki wrote:
> W dniu 27 sierpnia 2011 22:42 u?ytkownik Rafa? Mi?ecki
> <zajec5@gmail.com> napisa?:
>> W dniu 26 sierpnia 2011 21:15 u?ytkownik Rafa? Mi?ecki
>> <zajec5@gmail.com> napisa?:
>>> 2011/4/2 Szymon Zygmunt <szymon.zygmunt@gmail.com>:
>>>> 1. A description of the problem at hand:
>>>> Last time I changed my wireless card and I have problems with wireless
>>>> link when I copy large files over lan. Link is broken after some part of
>>>> file (eg. 50 - 200 MB) and I have to reload my b43 driver (modprobe -r
>>>> b43, modprobe b43). After that connection work again for a while and
>>>> situation is repeated.
>>>>
>>>> 2. When it happens:
>>>> Always when I copy large file from my ftp (sets on openwrt box) to my PC
>>>> over wifi.
>>>>
>>>> 3. How to reproduce:
>>>> Start to operation with high transmission rates (eg. copy larg file)
>>> Szymon, this is a damn late reply and I think I understand if you've
>>> already switched to some other card.
>>>
>>> In case you're still using b43 & BCM4318: did you manage to fix this
>>> problem yourself?
>> I've tested my BCM4318 which is
>> 06:05.0 0280: 14e4:4318 (rev 02)
>>        Subsystem: 1468:0311
>> and it still works fine after using iperf for 20 minutes (about 3.2 GB
>> transfered to my notebook with 14e4:4318). Average speed was 22.5 Mb/s
>> and I was quite close to the AP.
>>
>> I'll try:
>> 1) Switching to the 478.104 firmware
>> 2) Using ftp instead of iperf
>> 3) Moving to some other room, to increase distance
> I've tried switching between firmwares 410.2160, 478.104 and 508.1092,
> without any difference.
>
> I've moved away from AP, the RX speed went down to 11.6 Mb/s (tested
> for 5 minutes), but not visible problems (received 414 MB).
>
> I guess Szymon can have affected BCM4318, will I don't. From
> https://forum.openwrt.org/viewtopic.php?id=24208 :
>> b43 in Backfire works on most BCM4306-BCM4318-based cards, included master (AP) mode. Unfortunately there are some models of BCM4318 which suffer from transmission problems and are unstable as a result, mostly noticeably when running as AP. Others models of BCM4318 seems to run fine.
Hi,

I just wanted to drop you a mail back to say thanks a lot for your help
and for your hard work.

I now have wlan on my mbp thanks to your instructions- life saver! :)

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