Comment 108 for bug 414560

Howard Chu wrote:
> That was explained in one of the previous discussions. The ath9k is an
> a/b/g/n interface and has a lot more channels to scan, and it's the
> extra time required to scan these additional channels that causes the
> association to time out. Or that's the theory anyway; the ath9k driver
> seems to still have plenty of problems of its own without NM adding to
> them.
>
>
Well, it's still the case that installing the backports, and otherwise
changing *nothing*, so I'm still using network-manager, i get better
signal strength and no loss of connection and good transfer rates.

So I reckon while the NM issues *may* be real issues to some people,
they're not the big story here.