Search Linux Wireless

Re: WARNING at net/wireless/reg.c when wireless network is disconnected

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Aug 04, 2010 at 04:28:28PM +0200, Thomas Bächler wrote:
> Am 04.08.2010 15:49, schrieb John W. Linville:
> > On Wed, Aug 04, 2010 at 01:36:23PM +0200, Thomas Bächler wrote:
> >> Hello,
> >>
> >> this warning has been around ever since I switched to 2.6.34, has
> >> accompanied me through the 2.6.35-rc* phase and is still there with
> >> 2.6.35. I didn't bother to report it so far, as there seems to be no harm.
> >>
> >> Whenever I disconnect/get disconnected from the wireless, I receive the
> >> below warning:
> >>
> >> ------------[ cut here ]------------
> >> WARNING: at net/wireless/reg.c:272
> >> regulatory_hint_disconnect+0x1b3/0x230 [cfg80211]()
> >> Hardware name: TECRA A11
> >> Unexpected user alpha2: de
> > 
> > Perhaps you need to set the regdomain as "DE" rather than "de"?
> > 
> > John
> 
> You are actually right. I did set it to "DE" with iw, but wpa_supplicant
> had a setting country="de". I just fixed that and will soon see if the
> problem disappears.
> 
> Still, the warning shouldn't look like a bad kernel bug, but rather an
> advisory to the user to set something sane. What confuses me even more
> is that this has been set to DE afterwards:

Perhaps we should just upcase the alpha2 value?  I'm not sure why we don't.

> $ dmesg | grep cfg80211:\ Calling\ CRDA
> cfg80211: Calling CRDA to update world regulatory domain
> cfg80211: Calling CRDA for country: de
> cfg80211: Calling CRDA for country: DE
> cfg80211: Calling CRDA to update world regulatory domain
> cfg80211: Calling CRDA for country: DE
> cfg80211: Calling CRDA to update world regulatory domain
> cfg80211: Calling CRDA for country: DE
> cfg80211: Calling CRDA to update world regulatory domain
> cfg80211: Calling CRDA for country: DE
> cfg80211: Calling CRDA to update world regulatory domain
> cfg80211: Calling CRDA for country: DE
> cfg80211: Calling CRDA to update world regulatory domain
> cfg80211: Calling CRDA for country: DE
> 
> The AP has been playing with the regdom as well, I lost track of what
> has been set where in this mess.

The AP is probably sending a country IE that indicates "DE".

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@xxxxxxxxxxxxx			might be all we have.  Be ready.
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]
  Powered by Linux