Wednesday, March 14, 2012

T500+ubuntu 11.10 = slow wifi network access

News, November 2012: 

The problem described below went away with the upgrade to Ubuntu 12.10 (Linux kernel 3.5).  Thank goodness, and high time.
 
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There's a bug between the Thinkpad T500 and wireless n transmission.

Bug discussion here, fix here, thanks to Damon:

sudo rmmod iwlagn
sudo echo "options iwlagn 11n_disable=1" > /etc/modprobe.d/disable11n.conf
sudo modprobe iwlagn