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To: freebsd-stable@freebsd.org, vsemionov@gmail.com
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From: Pete French <petefrench@ticketswitch.com>
Date: Thu, 20 Jul 2006 12:20:21 +0100
Cc: turtle@loveturtle.net
Subject: Re: ath driver transmits frames only after a low watermark is filled
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> How is data transmission related to power management?

They are pretty intimately related over a wireless link. If
the power management at one end decided it can use less transmit
power and gets it wrong then your data stops getting through.