Re: bss_info_change_notify warning (hacked 3.3.0-rc5+)

[Ben Greear <greearb@candelatech.com>]

On 03/28/2012 11:59 AM, Johannes Berg wrote:
> On Wed, 2012-03-28 at 11:56 -0700, Ben Greear wrote:
>> On 03/07/2012 11:45 AM, Bryan Phillippe wrote:
>>>
>>> Yes, it's a known problem.  It's very reproducible for me on a non-hacked 3.3-rc1 as well: changing from AP to client mode, or setting up multiple APs, or changing from 2.4Ghz to 5Ghz all seem to trigger this warning with various stack traces.
>>
>> I'm still seeing this and related warnings on 3.3.0.  At least some
>> of them comes from calls the 'hostapd' process makes (I printed
>> current->comm in the warning).
>>
>> I am not having luck writing a simple script that reproduce this,
>> but my application that creates a VAP and bunch of virtual station
>> hits it every time on startup.
>>
>> Bryan:  Do you have a simple script that reproduces this problem?
>>
>> Johannes:  Any ideas on likely causes of this problem?  Might help
>> me zero in on the problem quicker...
>
> Hm. Maybe this is the problem?
>
> http://p.sipsolutions.net/d432de678ae3ff17.txt

I don't see any code that matches that in 3.3.0 (nothing with nl80211_start_ap, for instance)

Thanks,
Ben

>
> johannes


-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com