On Mon, May 26, 2014 at 03:06:57PM -0300, Oskar Kossuth wrote:
> Update:
> 
> I did some investigation after the problem with the atheros wifi card
> happened again and i found something odd.
> The firefox process was consuming a lot of CPU, while the problem was
> ongoing, and the CPU usage decreased to normal levels after i stopped trying
> to load a website, and increased a lot after i tried to load the website
> again.
>
Oskar,

your issue is not related to firefox as earlier you had mentioned that
with lynx also the problem occurs. isn't it?
> 
> PS: I tested using the eth0 realtek adapter of my laptop and disabled
> wireless. The problem appeared also in this case.
> 
So it is not wireless or ethernet issue. From you earlier sniffer
capture, I do see lot of TCP connection resets with window size 0.
Even TCP 3-way handshake also terminated in most of the cases. Can you
tune TCP receive buffer size.

http://www.cyberciti.biz/faq/linux-tcp-tuning/

-Rajkumar
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