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 Forum index » Advanced Topics » Hardware » Networking » Wireless
Wireless speed dropping often (ath9k driver) - workaround
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ozsouth

Joined: 01 Jan 2010
Posts: 150
Location: S.E Australia

PostPosted: Sun 17 Mar 2013, 07:57    Post_subject:  Wireless speed dropping often (ath9k driver) - workaround  

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.
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darkcity


Joined: 23 May 2010
Posts: 2481
Location: near here

PostPosted: Sat 23 Mar 2013, 20:49    Post_subject:  

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

some people are suggesting this option helps-

Code:
options ath9k nohwcrypt=1

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ozsouth

Joined: 01 Jan 2010
Posts: 150
Location: S.E Australia

PostPosted: Sun 24 Mar 2013, 19:49    Post_subject: Even better option  

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.
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