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Date:      Sun, 03 Sep 2006 09:40:51 -0700
From:      Sam Leffler <sam@errno.com>
To:        dandee@volny.cz
Cc:        freebsd-stable@freebsd.org
Subject:   Re: atheros driver under high load, panics and even more freezes
Message-ID:  <44FB0593.3090108@errno.com>
In-Reply-To: <000001c6ce93$72a247b0$6508280a@tocnet28.jspoj.czf>
References:  <000001c6ce93$72a247b0$6508280a@tocnet28.jspoj.czf>

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Daniel Dvořák wrote:
> Ok, I will upgrade my boxes and I will do simple ping tests again.
> 
> Did you see my sysctl.conf file ?
> 
> I mean these options:
> 
> kern.ipc.maxsockbuf=2097152
> net.inet.ip.fastforwarding=1
> net.inet.tcp.sendspace=65536
> 
> Could be this connected with increasing latency up to 500ms ?

Seems unlikely but I have little to go on.  You can easily identify
whether the delays are in the OS or due to wireless issues by sniffing
traffic.  Tools like athstats are also important for diagnosing problems.

	Sam



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