Re: [PATCH 2/2] cfg80211: avoid reg-hints in self-managed only systems

[Johannes Berg <johannes@sipsolutions.net>]

On Wed, 2015-01-07 at 15:38 +0200, Arik Nemtsov wrote:
> On Tue, Jan 6, 2015 at 4:04 PM, Arik Nemtsov <arik@wizery.com> wrote:
> > On Tue, Jan 6, 2015 at 3:59 PM, Johannes Berg <johannes@sipsolutions.net> wrote:
> >> On Tue, 2015-01-06 at 11:56 +0100, Johannes Berg wrote:
> >>> On Thu, 2015-01-01 at 13:42 +0200, Arik Nemtsov wrote:
> >>> > When a system contains only self-managed regulatory devices all hints
> >>> > from the regulatory core are ignored. Stop hint processing early in this
> >>> > case. These systems usually don't have CRDA deployed, which results in
> >>> > endless (irrelevent) logs of the form:
> >>> > cfg80211: Calling CRDA to update world regulatory domain
> >>>
> >>> Applied.
> >>
> >> I take that back - dropped again. This was causing spurious messages in
> >> the hwsim test run VM, saying something like "couldn't set reg domain:
> >> -7". Maybe at that point not a single wiphy existed?
> >
> > Interesting. I guess I should fix this to only drop the request in
> > case there's at least one self-managed wiphy.
> 
> Could you point me to the hwsim test that failed for you?

I don't think it was a specific test case - the message seems to have
come during boot. OTOH, I also reverted some of Eliad's patches, so
perhaps I should retest without those?

> Also where is that message coming from? I don't see it in wpa_s or the kernel.

I have no idea! I can't even explain where the -7 (-E2BIG) came from!

johannes