Re: [Gc-linux-devel] b43-phy0 error : PHY transmission error

[蔡雷 <cai...@gm...>]

Thanks for your patient explainations. I am now begin my linux on a
virtualbox to study it :)

2009/12/6 Albert Herranz <alb...@ya...>

> <cailei1983 <at> gmail.com> writes:
>
> >
> > Hi
> > After I configure my wifi with /root/whiite-ez-wifi-config, I am now able
> > to use wifi on my wii. However, there is a problem when I am trying to
> use
> > MLDonkey to download through ED2K or BT. There have been successful
> downloads
> > which are smaller than 200MB, but that is only for my testing purpose.
> Then
> > with the larger files, I got lots of following error:b43-phy0 ERROR : PHY
> > transmission errorI have google the problem, it seems that this error is
> caused
> > by some kernel wireless card problem. I wonder if that could be fix on
> the
> > whiite (sorry, I am such a newbie to linux just start to learn it because
> of
> > my wii and the wonderful whiite ~). If the answer is yes, then is there
> any
> > documents or hints on how to do it?Many Thanks ~~~
> >
>
> Hi,
>
> The error message you are seeing is caused by how the b43 does VCO
> calibration
> every 60 seconds.
> At that time, the driver switches from your current channel to channel 1 or
> 13
> (depending on your current channel). If a transmission takes place during
> that
> time frame, the data frame is dropped and the "PHY transmission error" is
> generated
> because the current channel and the channel for which the frame is targeted
> do
> not match.
>
> Note that the message is harmless and causes no problem except a drop of a
> transmission frame, which the higher level protocols can recover from.
> The message does actually only show up when the driver is compiled with
> DEBUG
> on.
>
> So, this is an "error" of b43 (it shouldn't try transmitting while the
> channel
> switch happens), but shouldn't be an actual problem. Just annoying dmesg
> spam.
>
> Cheers,
> Albert
>
>
>