Re: Linux 3.6.5

[Johannes Berg <johannes@sipsolutions.net>]

On Tue, 2012-11-06 at 18:59 +0000, Eddie Chapman wrote:
> On 06/11/12 15:54, Johannes Berg wrote:
> > The problem here is that some devices (notably iwlwifi) will not allow
> > (by firmware) to connect to such an AP as HT40- if that is not allowed.
> > So I prevented it generally, but we can make it device dependent. I
> > don't like it much, but I suppose we can do it. Try this patch:
> >
> > http://p.sipsolutions.net/0129f39c7d882289.txt
> >
> > It will still prohibit this configuration when the driver said it's not
> > allowed, but will allow it when there were other reasons to not allow
> > it.
> 
> Just to report, with the patch under discussion re-applied 
> (3a40414f826a8f1096d9b94c4a53ef91b25ba28d), plus the patch at your link 
> above, my throughput is back to normal again.

Ok, thanks.

> So I guess the above patch resolves the issue (on the face of it) for 
> me, but whether it is a suitable solution I've no idea.

Right, we're still looking at that. It seems that it's not an ideal
solution, the regulatory change I proposed is probably better. Could you
check if it helps as well? That is, remove this patch, and apply this
one: http://p.sipsolutions.net/8877cbe3440d94b1.txt

johannes