Re: Panic while waiting on wlan0

hi,

iwm needs a maintainer and a lot of work. :)



-a


On 22 November 2015 at 13:46, Boris Samorodov <bsam_at_passap.ru> wrote:
> 22.11.15 22:54, Sergey Manucharian пишет:
>>> 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.
>
> After upgrade from FreeBSD-amd64-HEAD-r290730 to r291148 I've got a
> panic with wlan0 (iwm though):
> ftp://ftp.wart.ru/pub/misc/panic-iwn-1.jpg
> ftp://ftp.wart.ru/pub/misc/panic-iwn-2.jpg
>
> % kldstat | grep iwm
> 12    1 0xffffffff822c5000 21a18    if_iwm.ko
> 13    1 0xffffffff822e7000 ab9e0    iwm7265fw.ko
>
> --
> WBR, bsam