Re: Panic while waiting on wlan0

> On 22 November 2015 at 04:31, Florian Limberger
> <flo_at_snakeoilproductions.net> wrote:
> > On 17.11.15 17:42, Adrian Chadd wrote:
> >>
> >> try updating to head as of today. Some callout issues were fixed.
> >
> > The crashes are fixed alright, thank you.  I still have a rather difficult
> > to reproduce issue, where the wpa_supplicant hangs in SCANNING state
> > indefinitely, even if the Notebook is very near to the AP.  I’ve had this
> > issue occasionally before, but since the crashes started it has become more
> > frequent.  Is there anything I can do to debug the behaviour?  Until now I
> > have only observed it in wpa_supplicant and have no idea how I might
> > proceed.
> >
> Excerpts from Adrian Chadd's message from Sun 22-Nov-15 08:52:
> 
> Do this:
> 
> * compile in IEEE80211_DEBUG;
> * do "wlandebug +scan"
> 
> That way we can see if net80211 is refusing to continue scanning.

I have a similar well-reproducable crash on my ThinkPad with "iwn"
driver and "iwn6000fw" when I try to restart wlan:
 
 # service netif restart

Otherwise it works fine, no problem at all.

Sergey