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Date:      Mon, 09 Dec 2013 11:03:51 +0200
From:      Alexander Motin <mav@FreeBSD.org>
To:        Adrian Chadd <adrian@freebsd.org>,  "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org>, Lawrence Stewart <lstewart@freebsd.org>
Subject:   Re: [iwn] 6235 support, initial patch
Message-ID:  <52A58777.3050107@FreeBSD.org>
In-Reply-To: <CAJ-Vmom27NNX8bia4cchHuaM9ROoe7uiEO7FZ3PhxeRxGdgE9Q@mail.gmail.com>
References:  <CAJ-Vmom27NNX8bia4cchHuaM9ROoe7uiEO7FZ3PhxeRxGdgE9Q@mail.gmail.com>

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Hi.

On 07.12.2013 22:21, Adrian Chadd wrote:
> Here's some fixes from mav, shoehorned into the current driver framework.
>
> Mav - where'd you get your changes from?

It was long ago. I would guess that from you. :)

> http://people.freebsd.org/~adrian/iwn/20131207-iwn-6235-1.diff
>
> This enables the 6235.
>
> It now doesn't firmware panic upon startup. I've passed _no_ traffic
> through it though - I don't have pigtails for the connectors on my
> NIC. Sorry :(
>
> I've added in mav's changes but I've done it by adding a new 6235
> config / limits section rather than hacking up the existing 6000g2b
> section. I don't know what effect it'll have on the existing NICs. So
> I didn't want to change that behaviour.
>
> This is against the latest -HEAD.

I've updated to the latest HEAD including only your patch and 
immediately got firmware crash during boot:

firmware: 'iwn6000g2bfw' version 0: 460912 bytes loaded at 
0xffffffff81a120c0
iwn0: iwn_intr: fatal firmware error
firmware error log:
   error type      = "UNKNOWN" (0x000019B6)
   program counter = 0x00014DD0
   source line     = 0x000002E2
   error data      = 0x000000010000008C
   branch link     = 0x00014DC200014DC2
   interrupt link  = 0x0000CFE200000000
   time            = 26892
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=0   queued=0
   tx ring  4: qid=4  cur=0   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=2   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=2
iwn0: iwn5000_post_alive: crystal calibration failed, error 35
iwn0: iwn_init_locked: could not initialize hardware, error 35
firmware: 'iwn6000g2bfw' version 0: 460912 bytes loaded at 
0xffffffff81a120c0
iwn0: iwn_intr: fatal firmware error
firmware error log:
   error type      = "UNKNOWN" (0x000019B6)
   program counter = 0x00014DD0
   source line     = 0x000002E2
   error data      = 0x000000010000008C
   branch link     = 0x00014DC200014DC2
   interrupt link  = 0x0000CFE200000000
   time            = 26907
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=0   queued=0
   tx ring  4: qid=4  cur=0   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=2   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=2
iwn0: iwn5000_post_alive: crystal calibration failed, error 35
iwn0: iwn_init_locked: could not initialize hardware, error 35

Adding usual -ht40 option didn't change anything.

Then I switched from default 6000g2b firmware 17.168.5.2 to 18.168.6.1, 
which I was using before. With -ht40 flag am able to connect and write 
this letter. Without the flag card can't associate with AP:

Dec  9 10:43:37 mavbook wpa_supplicant[467]: wlan0: Authentication with 
56:04:a6:d3:65:30 timed out.
Dec  9 10:43:37 mavbook wpa_supplicant[467]: wlan0: 
CTRL-EVENT-DISCONNECTED bssid=56:04:a6:d3:65:30 reason=3 locally_generated=1
Dec  9 10:43:41 mavbook wpa_supplicant[467]: wlan0: Trying to associate 
with 56:04:a6:d3:65:30 (SSID='mavhome5' freq=5180 MHz)
Dec  9 10:43:41 mavbook wpa_supplicant[467]: wlan0: Associated with 
56:04:a6:d3:65:30
Dec  9 10:43:41 mavbook kernel: wlan0: link state changed to UP
Dec  9 10:43:41 mavbook dhclient[1313]: send_packet: No buffer space 
available
Dec  9 10:43:42 mavbook wpa_supplicant[467]: wlan0: 
CTRL-EVENT-DISCONNECTED bssid=56:04:a6:d3:65:30 reason=0
Dec  9 10:43:42 mavbook kernel: wlan0: link state changed to DOWN
Dec  9 10:43:45 mavbook dhclient[1313]: send_packet: Invalid argument
Dec  9 10:43:47 mavbook wpa_supplicant[467]: wlan0: Trying to associate 
with 56:04:a6:d3:65:30 (SSID='mavhome5' freq=5180 MHz)
Dec  9 10:43:55 mavbook dhclient[1313]: send_packet: Network is down
Dec  9 10:43:57 mavbook wpa_supplicant[467]: wlan0: Authentication with 
56:04:a6:d3:65:30 timed out.
Dec  9 10:43:57 mavbook wpa_supplicant[467]: wlan0: 
CTRL-EVENT-DISCONNECTED bssid=56:04:a6:d3:65:30 reason=3 locally_generated=1
Dec  9 10:43:57 mavbook wpa_supplicant[467]: ioctl[SIOCS80211, op=20, 
val=0, arg_len=7]: Can't assign requested address
Dec  9 10:43:59 mavbook dhclient[1313]: send_packet: Network is down

Should I collect any other debugging?

-- 
Alexander Motin



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