From mboxrd@z Thu Jan  1 00:00:00 1970
From: Triantafillos Vrissiotis <tbrisiot@gmail.com>
Date: Fri, 22 Oct 2010 17:46:39 +0300
Subject: [ath9k-devel] wlan0 is on channel -1, but the AP uses channel 1
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Hope this helps
http://forum.aircrack-ng.org/index.php?topic=8373.0