Tactoad

It´s not a Pineapple specific problem. I get the same behaviour with my HTPC. Had no problem in Lion.

I guess you´re running Mountain Lion? The internet connection sharing is very flaky. I have the same issues both on my MBA and MP. I can verify that the client machine gets a DHCP address and it´s present in the ARP table. However I cant reach it by IP. The only solution so far has been to have both devices connected and reboot the mac. After the reboot the mac can ping the client and now the mac can be used as gateway.

I had the same problem with mine. Fortunately it just snapped out of place without breaking. I can recommend everyone to unscrew the external antenna nut and put some epoxy or hot glue between the inner case and the base of the antenna connector. This will prevent the connector to loose up and start spinning causing damage to the antenna cable.