Bug#611107: Noise Floor Calibration Timeout

[REX ABERT <ABERTR@tcc.fl.edu>]

I continue to get disconnected daily.  Here is the tail end of the output from dmesg after I am dropped:


[   45.849303] CPU3 attaching sched-domain:
[   45.849307]  domain 0: span 0-3 level MC
[   45.849311]   groups: 3 0 1 2
[   57.722903] ip_tables: (C) 2000-2006 Netfilter Core Team
[   57.732016] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
[   57.732456] CONFIG_NF_CT_ACCT is deprecated and will be removed soon. Please use
[   57.732459] nf_conntrack.acct=1 kernel parameter, acct=1 nf_conntrack module option or
[   57.732461] sysctl net.netfilter.nf_conntrack_acct=1 to enable it.
[   68.531000] FAT: utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!
[ 7682.680105] usblp0: removed
[67934.427003] ath5k phy0: noise floor calibration timeout (2412MHz)
[79848.367113] wlan0: deauthenticated from 00:0b:85:55:be:2f (Reason: 3)