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Date:      Tue, 24 Nov 2015 01:57:09 +0300
From:      Boris Samorodov <bsam@passap.ru>
To:        Adrian Chadd <adrian.chadd@gmail.com>
Cc:        Sergey Manucharian <sm@ara-ler.com>, freebsd-current <freebsd-current@freebsd.org>, Florian Limberger <flo@snakeoilproductions.net>
Subject:   Re: Panic while waiting on wlan0
Message-ID:  <565399C5.60000@passap.ru>
In-Reply-To: <CAJ-Vmomq=nbc6wpUbgh%2BwNQL0nQaG-9-OBdEAuS8UkBkwsq_SA@mail.gmail.com>
References:  <564AF74A.2090700@snakeoilproductions.net> <CAJ-VmonB1S-Ckx2UtcupURNa1KfCrCXcLqAMnmLZAZMbcqMaiA@mail.gmail.com> <5651B5B6.1010701@snakeoilproductions.net> <CAJ-Vmo=SrRH89%2Bej-c5DSm9SwUt1SM3_w4JpPSPMteQPPmWBrQ@mail.gmail.com> <20151122195446.GA16398@dendrobates.araler.com> <565237C9.10904@passap.ru> <CAJ-Vmomq=nbc6wpUbgh%2BwNQL0nQaG-9-OBdEAuS8UkBkwsq_SA@mail.gmail.com>

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Hi!,

23.11.15 01:38, Adrian Chadd пишет:
> hi,
> 
> iwm needs a maintainer and a lot of work. :)

Agreed. :-)

WTB, I've just upgraded to r291221 and this seems to fix those problems.

> On 22 November 2015 at 13:46, Boris Samorodov <bsam@passap.ru> wrote:
>> 22.11.15 22:54, Sergey Manucharian пишет:
>>>> On 22 November 2015 at 04:31, Florian Limberger
>>>> <flo@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



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