It seems the problem did not really disapeared for me. The CTS protection somehow got disabled on my AP. After a power failure, my AP rebooted with CTS protection enabled, and the freezes came back.
My above patch still fix the issue for me. I've just uploaded a patched lum package in my ppa (http://ppa.launchpad.net/cschieli/ubuntu)
It seems the problem did not really disapeared for me. The CTS protection somehow got disabled on my AP.
After a power failure, my AP rebooted with CTS protection enabled, and the freezes came back.
My above patch still fix the issue for me. ppa.launchpad. net/cschieli/ ubuntu)
I've just uploaded a patched lum package in my ppa (http://