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Date:      Thu, 25 Jul 2013 20:00:17 -0400 (EDT)
From:      "Sean C. Farley" <scf@FreeBSD.org>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        freebsd-wireless@freebsd.org
Subject:   Re: iwn firmware sysassert
Message-ID:  <alpine.BSF.2.02.1307251955550.3080@thor.farley.org>
In-Reply-To: <CAJ-VmonRvTwfB2G%2BFpDM3h2BWCCjYvm7=8KyOoXvNhpt-_AeTw@mail.gmail.com>
References:  <alpine.BSF.2.02.1307251813590.3080@thor.farley.org> <CAJ-Vmom_LbpWfK26meZtwn88uMxxmpqD-%2BfanzS1_p_0OohBqg@mail.gmail.com> <alpine.BSF.2.02.1307251936210.3080@thor.farley.org> <CAJ-VmonRvTwfB2G%2BFpDM3h2BWCCjYvm7=8KyOoXvNhpt-_AeTw@mail.gmail.com>

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On Thu, 25 Jul 2013, Adrian Chadd wrote:

> Ok, then I have no idea.
>
> There's active work on iwn going on in -HEAD. I suggest updating to
> that and then tracking development. No, I won't be backporting
> anything to -9 or -8; someone else will have to take charge of that
> (and field support queries when things don't work.)

Thank you for the help.  I did see your iwn RFC when I was looking for 
other reports of this problem.  I will try a kernel from -HEAD to see if 
it helps.  BTW, any idea what changes between 8 and 9 may have caused 
this to stop working?  The firmware is the same for 8, 9 and -HEAD.


> On 25 July 2013 16:38, Sean C. Farley <scf@freebsd.org> wrote:
>> On Thu, 25 Jul 2013, Adrian Chadd wrote:
>>
>>> Try jsut doing:
>>>
>>> ifconfig wlan0 create wlandev iwn0
>>> wpa_supplicant -i wlan0 -c /etc/wpa_supplicant.conf
>>>
>>> .. ie, don't do an ifconfig iwn0 up
>>
>>
>> Same result.  I ran with ifconfig_wlan0="WPA" removed from /etc/rc.conf else
>> wpa_supplicant would start:
>> ifconfig wlan0 destroy
>>
>> ifconfig wlan0 create wlandev iwn0
>> wpa_supplicant -i wlan0 -c /etc/wpa_supplicant.conf
>>
>>
>>> On 25 July 2013 15:25, Sean C. Farley <scf@freebsd.org> wrote:
>>>>
>>>> After upgrading my laptop from 8.4-STABLE to 9-STABLE, I have been unable
>>>> to
>>>> use the wireless NIC.  The indicator light will flash for a moment and
>>>> surrender.  The error is always the same and reproducible with "ifconfig
>>>> iwn0 up".  The system is 9-STABLE (r253048).  This appears to be the same
>>>> or
>>>> similar to PR 175053:
>>>> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/175053
>>>>
>>>> Boot:
>>>> iwn0: <Intel Ultimate N WiFi Link 5300> mem 0xf8000000-0xf8001fff irq 17
>>>> at
>>>> device 0.0 on pci4
>>>>
>>>> Card details:
>>>> iwn0@pci0:4:0:0:        class=0x028000 card=0x11218086 chip=0x42358086
>>>> rev=0x00 hdr=0x00
>>>>     vendor     = 'Intel Corporation'
>>>>     device     = 'Ultimate N WiFi Link 5300'
>>>>     class      = network
>>>>     bar   [10] = type Memory, range 64, base 0xf8000000, size 8192,
>>>> enabled
>>>>     cap 01[c8] = powerspec 3  supports D0 D3  current D0
>>>>     cap 05[d0] = MSI supports 1 message, 64 bit enabled with 1 message
>>>>     cap 10[e0] = PCI-Express 1 endpoint max data 128(128) FLR link x1(x1)
>>>>                  speed 2.5(2.5) ASPM L1(L0s/L1)
>>>> ecap 0001[100] = AER 1 0 fatal 0 non-fatal 1 corrected
>>>> ecap 0003[140] = Serial 1 00216affff985c6e
>>>>
>>>> Error (same each time except for time):
>>>> wlan0: link state changed to UP
>>>> iwn0: iwn_intr: fatal firmware error
>>>> firmware error log:
>>>>   error type      = "SYSASSERT" (0x00000005)
>>>>   program counter = 0x00003130
>>>>   source line     = 0x00000585
>>>>   error data      = 0x0000000100000000
>>>>   branch link     = 0x0000312A0000312A
>>>>   interrupt link  = 0x0000091600000000
>>>>   time            = 1611815765
>>>> driver status:
>>>>   tx ring  0: qid=0  cur=0   queued=0
>>>>   tx ring  1: qid=1  cur=0   queued=0
>>>>   tx ring  2: qid=2  cur=0   queued=0
>>>>   tx ring  3: qid=3  cur=2   queued=0
>>>>   tx ring  4: qid=4  cur=67  queued=0
>>>>   tx ring  5: qid=5  cur=0   queued=0
>>>>   tx ring  6: qid=6  cur=0   queued=0
>>>>   tx ring  7: qid=7  cur=0   queued=0
>>>>   tx ring  8: qid=8  cur=0   queued=0
>>>>   tx ring  9: qid=9  cur=0   queued=0
>>>>   tx ring 10: qid=10 cur=0   queued=0
>>>>   tx ring 11: qid=11 cur=0   queued=0
>>>>   tx ring 12: qid=12 cur=0   queued=0
>>>>   tx ring 13: qid=13 cur=0   queued=0
>>>>   tx ring 14: qid=14 cur=0   queued=0
>>>>   tx ring 15: qid=15 cur=0   queued=0
>>>>   tx ring 16: qid=16 cur=0   queued=0
>>>>   tx ring 17: qid=17 cur=0   queued=0
>>>>   tx ring 18: qid=18 cur=0   queued=0
>>>>   tx ring 19: qid=19 cur=0   queued=0
>>>>   rx ring: cur=0
>>>> wlan0: link state changed to DOWN
>>>>
>>>> vmstat -i:
>>>> ...
>>>> irq258: iwn0                         973          0
>>>> ...
>>>>
>>>> Any ideas on what is broken and how to get it to work?
>>>>
>>>> Please Cc me as I am not on this specific list.
>>>>
>>>> Thank you.
>>
>>
>> Sean
>> --
>> scf@FreeBSD.org
>


Sean
-- 
scf@FreeBSD.org



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