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To: =?iso-8859-1?q?Rog=E9rio_Brito?= <rbrito@ime.usp.br>
Subject: Re: Still some problems with the rt2x00 driver
Date: Tue, 25 Nov 2008 09:42:09 +0100
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Cc: "John W. Linville" <linville@tuxdriver.com>, linux-kernel@vger.kernel.org
References: <20080620175729.GA3151@ime.usp.br> <200808041526.08332.IvDoorn@gmail.com> <3977BB08-9149-41E4-B187-235F36204E4E@ime.usp.br>
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Message-Id: <200811250942.09259.IvDoorn@gmail.com>
From: Ivo van Doorn <ivdoorn@gmail.com>
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Hi,

> There are two strange things that I've noticed, though and that I  
> feel need to be fixed:

For both cases:
Is there anything in the log regading the drivers or mac80211?

Ivo

> 1 - the rt63 driver used by a PCMCIA card DWL-G630 model has, for  
> many kernels (from 2.6.24 and up to and including kernel 2.6.27, as  
> shipped by Ubuntu for ia32), shown a strange behavior: after  
> everything is working correctly, the network simply becomes  
> unavailable, with the gnome network monitor showing that the card has  
> no signal. If I issue the command "iwconfig ra0 ap any", for example,  
> the card starts working again.
> 
> (Actually, I put this on a cron job to be executed every minute, but  
> even then, there are time windows where the card is not working). I'm  
> not in front of the notebook (a very old Armada V300 that my parents  
> are using for production), so I don't know if the card looses  
> association with the Access Point or not. I can check that, if nobody  
> else reported this problem yet.
> 
> 2 - the rt2500usb driver that I use on a very old iBook G3 (powerpc)  
> also works fine and has a similar, but not identical behaviour: the  
> DWL-G122 USB stick that I have works fine once associated and when it  
> is transferring data. Once I leave the network unused for, say, 2  
> minutes, the connection with the AP is dropped. Here, also, issuing  
> "iwconfig wlan0 ap any" makes it work again.
> 
> Notice the difference in both cases: with the PCMCIA/ia32 case, no  
> matter if there is traffic on the network or not, the the connection  
> is interrupted. With the USB/powerpc case, if there is traffic, the  
> connection remains working fine.
> 
> > Note that I am not going to push it to 2.6.26 since I don't know if  
> > the
> > patch will cause problems in other parts of the driver.
> 
> There's no problem. I can compile vanilla kernels from kernel.org  
> without any problems.
> 
> 
> Thanks for your kind help, Rog?rio Brito.
> 


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