Wireless speed dropping often (ath9k driver) - workaround

[ozsouth]

My AR9285 onboard wireless adaptor was constantly dropping speed, often to 1Mb/sec = very slow surfing. Tried fixing the rate at 54M then 36M - no effect.
Finally ran (in terminal): iwconfig wlan0 retry 255
Speed now stays at around 54Mb/sec. Not sure if any significant adverse consequences, but it works.

[darkcity]

it seems your not alone
http://ubuntuforums.org/showthread.php?t=1868119

some people are suggesting this option helps-

Code: Select all

options ath9k nohwcrypt=1

[ozsouth]

Thanks darkcity - although nohwcrypt=1 didn't help, the link you provided gave me some new things to try.
Most successful was (from command line):-

iwconfig wlan0 power off followed by iwconfig wlan0 txpower on
This made my wireless usable - no single-figure bitrates.