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Date: Sun, 17 Jul 2005 10:19:46 -0700
From: Sam Leffler <sam@errno.com>
Organization: Errno Consulting
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To: Erik Winge <erik.winge@gmail.com>
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Cc: freebsd-current@freebsd.org
Subject: Re: if_ural in 6.0-BETA1
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Erik Winge wrote:
> Hi,
> 
> After upgrading to 6.0-BETA1 I have started using an Asus ural-bases
> wireless card.
> 
> Besides lower performance than with Windows, this driver seems to have
> some stability issues. I keep getting "Corrupted MAC on
> input"-messages from scp when copying files. The files I have been
> testing with are about 5MB in size, and the problem interrupts every
> one of 4-5 upload attempts.

The driver has no tx rate control support and defaults to 1Mb/s so you 
must explicitly set the tx rate to get any reasonable performance. 
However even when locked to 54M on an 11g channel I never saw tcp 
netperf performance much more than ~15Mb/s with a strong signal.  I 
never saw data corruption but mostly was testing wpa.

In general I wasn't impressed with the device and the driver definitely 
needs work.  Hard to recommend it.

	Sam