i've tested upstream version 2012-06-30-quantal: http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/2012-06-30-quantal/
unfortunately i've experienced the same bug.
the wifi hw lost with 'MAC is in deep sleep!' messages just like with the stable 'precise' version kernel...
i've tested upstream version 2012-06-30-quantal: kernel. ubuntu. com/~kernel- ppa/mainline/ daily/2012- 06-30-quantal/
http://
unfortunately i've experienced the same bug.
the wifi hw lost with 'MAC is in deep sleep!' messages just like with the stable 'precise' version kernel...