[SOLVED] Plagued with AR9642 instability and drop-outs

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https://www.kubuntuforums.net – For months I had been plagued with the instability of my ath9k driver in Precise to stay up. Once it negotiates an IP address from my wifi router it almost immediately drops it and then attempts to reconnect. The time it says up varies between less than 10 seconds to less than 10 minutes, but never more. I have tried all the kernels between 3.2 and 3.9.x with no success. Someone recommended I try the 3.10 kernel from Liquorix. I added its kernel repository and noticed that the only kernels it had were the 32 and 64 bit versions of 3.11-8 so I installed the 64bit kernel: 3.11-8.dmz.1-li (HowTos)