First connection lost and low speed.
~$ uname -a Linux buzz-dee-desktop 3.8.0-030800rc7-generic #201302081635 SMP Fri Feb 8 21:36:17 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
~$ iwconfig wlan1 wlan1 IEEE 802.11bgn Mode:Managed Frequency:2.437 GHz Bit Rate=1 Mb/s Tx-Power=20 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=28/70 Signal level=-82 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:475 Invalid misc:57 Missed beacon:0
~$ dmesg | egrep '\<ath\>|ath9k' [ 84.457377] ath: EEPROM regdomain: 0x809c [ 84.457382] ath: EEPROM indicates we should expect a country code [ 84.457384] ath: doing EEPROM country->regdmn map search [ 84.457386] ath: country maps to regdmn code: 0x52 [ 84.457388] ath: Country alpha2 being used: CN [ 84.457389] ath: Regpair used: 0x52 [ 84.503427] ieee80211 phy0: Selected rate control algorithm 'ath9k_rate_control' [ 162.926711] ath: phy0: Failed to stop TX DMA, queues=0x004!
First connection lost and low speed.
~$ uname -a -generic #201302081635 SMP Fri Feb 8 21:36:17 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
Linux buzz-dee-desktop 3.8.0-030800rc7
~$ iwconfig wlan1
Mode: Managed Frequency:2.437 GHz
wlan1 IEEE 802.11bgn
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=28/70 Signal level=-82 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:475 Invalid misc:57 Missed beacon:0
~$ dmesg | egrep '\<ath\>|ath9k' rate_control'
[ 84.457377] ath: EEPROM regdomain: 0x809c
[ 84.457382] ath: EEPROM indicates we should expect a country code
[ 84.457384] ath: doing EEPROM country->regdmn map search
[ 84.457386] ath: country maps to regdmn code: 0x52
[ 84.457388] ath: Country alpha2 being used: CN
[ 84.457389] ath: Regpair used: 0x52
[ 84.503427] ieee80211 phy0: Selected rate control algorithm 'ath9k_
[ 162.926711] ath: phy0: Failed to stop TX DMA, queues=0x004!