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Date:      Sun, 29 May 2016 23:27:26 +0200
From:      "Ronald Klop" <ronald-lists@klop.ws>
To:        "Adrian Chadd" <adrian.chadd@gmail.com>
Cc:        freebsd-current <freebsd-current@freebsd.org>
Subject:   Re: if_iwn dhcp troubles
Message-ID:  <op.yh8tv0gwkndu52@ronaldradial.radialsg.local>
In-Reply-To: <CAJ-VmonR5bW4B_AvBHXO3Tm8wbvyYJcs26V8pKSQYPXCR1vyGg@mail.gmail.com>
References:  <op.yh75shomkndu52@53555a16.cm-6-6b.dynamic.ziggo.nl> <CAJ-VmonR5bW4B_AvBHXO3Tm8wbvyYJcs26V8pKSQYPXCR1vyGg@mail.gmail.com>

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On Sun, 29 May 2016 19:59:05 +0200, Adrian Chadd <adrian.chadd@gmail.com>  
wrote:

> hi,
>
> Do ifconfig wlan0 -ht (ie, disable 11n)
>
> see if that helps

Hi,

This does make the errors go away and startup more smoothly.

Regards,
Ronald.


>
>
> -a
>
>
> On 29 May 2016 at 05:46, Ronald Klop <ronald-lists@klop.ws> wrote:
>> Hello,
>>
>> My laptop has troubles obtaining an ip address on the wlan0 (if_iwn).  
>> The
>> interface has trouble staying up during dhcp resolving. Below some
>> information from logs. *If* it obtains an IP address it seems quite  
>> stable
>> afterwards.
>> Before https://svnweb.freebsd.org/base?view=revision&revision=300732 I  
>> had
>> to reboot a couple of times before it would happen to get an IP address.
>>
>> If I need to supply more information please tell. I'm willing to test
>> patches also.
>>
>> Regards,
>> Ronald.
>>
>>
>> From uname -a:
>> FreeBSD sjakie.klop.ws 11.0-ALPHA1 FreeBSD 11.0-ALPHA1 #7 r300901M: Sat  
>> May
>> 28 16:54:00 CEST 2016
>> root@sjakie.klop.ws:/usr/obj/usr/src/sys/GENERIC-NODEBUG  amd64
>>
>> From dmesg:
>> iwn0: <Intel Centrino Advanced 6235> mem 0xf8000000-0xf8001fff irq 17 at
>> device 0.0 on pci2
>>
>> From /etc/rc.conf.
>> wlans_iwn0="wlan0"
>> create_args_wlan0="wlanaddr 00:26:b9:12:40:a4 country NL"
>> ifconfig_wlan0="WPA"
>> ifconfig_wlan0="$ifconfig_wlan0 SYNCDHCP"
>>
>> From console.log:
>> May 29 13:34:45 sjakie kernel: Created wlan(4) interfaces: wlan0.
>> May 29 13:34:45 sjakie kernel: Starting wpa_supplicant.
>> May 29 13:34:45 sjakie kernel: Starting dhclient.
>> May 29 13:34:45 sjakie kernel: wlan0: no link ...
>> May 29 13:34:45 sjakie kernel: ..
>> May 29 13:34:45 sjakie kernel: ...
>> May 29 13:34:45 sjakie kernel: got link
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to 255.255.255.255  
>> port
>> 67 interval 6
>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>> May 29 13:34:45 sjakie kernel:
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to 255.255.255.255  
>> port
>> 67 interval 15
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to 255.255.255.255  
>> port
>> 67 interval 4
>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to 255.255.255.255  
>> port
>> 67 interval 9
>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>> May 29 13:34:45 sjakie kernel:
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to 255.255.255.255  
>> port
>> 67 interval 16
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to 255.255.255.255  
>> port
>> 67 interval 5
>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to 255.255.255.255  
>> port
>> 67 interval 5
>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to 255.255.255.255  
>> port
>> 67 interval 11
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255  
>> port
>> 67
>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to 255.255.255.255  
>> port
>> 67 interval 12
>> May 29 13:34:45 sjakie kernel: DHCPACK from 192.168.1.1
>> May 29 13:34:45 sjakie kernel: bound to 192.168.1.109 -- renewal in
>> 2147483647 seconds.
>>
>> From messages:
>> May 29 13:34:45 sjakie kernel: wlan0: Ethernet address:  
>> 00:26:b9:12:40:a4
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode  
>> rev=0x12a80601
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_intr: fatal firmware error
>> May 29 13:34:45 sjakie kernel: firmware error log:
>> May 29 13:34:45 sjakie kernel: error type      = "UNKNOWN" (0x00000038)
>> May 29 13:34:45 sjakie kernel: program counter = 0x00009F64
>> May 29 13:34:45 sjakie kernel: source line     = 0x000003C4
>> May 29 13:34:45 sjakie kernel: error data      = 0x0000000000000000
>> May 29 13:34:45 sjakie kernel: branch link     = 0x00009F6000009F60
>> May 29 13:34:45 sjakie kernel: interrupt link  = 0x0000DBEA00000000
>> May 29 13:34:45 sjakie kernel: time            = 54908
>> May 29 13:34:45 sjakie kernel: driver status:
>> May 29 13:34:45 sjakie kernel: tx ring  0: qid=0  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  1: qid=1  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  2: qid=2  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  3: qid=3  cur=2   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  4: qid=4  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  5: qid=5  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  6: qid=6  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  7: qid=7  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  8: qid=8  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  9: qid=9  cur=81  queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 10: qid=10 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 11: qid=11 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 12: qid=12 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 13: qid=13 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 14: qid=14 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 15: qid=15 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 16: qid=16 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 17: qid=17 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 18: qid=18 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 19: qid=19 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: rx ring: cur=39
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_panicked: controller panicked,
>> iv_state = 5; restarting
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode  
>> rev=0x12a80601
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>> May 29 13:34:45 sjakie kernel: iwn0: scan timeout
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode  
>> rev=0x12a80601
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>> May 29 13:34:45 sjakie kernel: iwn0: scan timeout
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode  
>> rev=0x12a80601
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_intr: fatal firmware error
>> May 29 13:34:45 sjakie kernel: firmware error log:
>> May 29 13:34:45 sjakie kernel: error type      = "UNKNOWN" (0x00000038)
>> May 29 13:34:45 sjakie kernel: program counter = 0x00009F64
>> May 29 13:34:45 sjakie kernel: source line     = 0x000003C4
>> May 29 13:34:45 sjakie kernel: error data      = 0x0000000000000000
>> May 29 13:34:45 sjakie kernel: branch link     = 0x00009F6000009F60
>> May 29 13:34:45 sjakie kernel: interrupt link  = 0x0000DBEA00000000
>> May 29 13:34:45 sjakie kernel: time            = 7464
>> May 29 13:34:45 sjakie kernel: driver status:
>> May 29 13:34:45 sjakie kernel: tx ring  0: qid=0  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  1: qid=1  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  2: qid=2  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  3: qid=3  cur=2   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  4: qid=4  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  5: qid=5  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  6: qid=6  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  7: qid=7  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  8: qid=8  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  9: qid=9  cur=81  queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 10: qid=10 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 11: qid=11 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 12: qid=12 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 13: qid=13 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 14: qid=14 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 15: qid=15 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 16: qid=16 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 17: qid=17 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 18: qid=18 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 19: qid=19 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: rx ring: cur=63
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_panicked: controller panicked,
>> iv_state = 5; restarting
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode  
>> rev=0x12a80601
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>> May 29 13:34:45 sjakie kernel: iwn0: scan timeout
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode  
>> rev=0x12a80601
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_intr: fatal firmware error
>> May 29 13:34:45 sjakie kernel: firmware error log:
>> May 29 13:34:45 sjakie kernel: error type      = "UNKNOWN" (0x00000038)
>> May 29 13:34:45 sjakie kernel: program counter = 0x00009F64
>> May 29 13:34:45 sjakie kernel: source line     = 0x000003C4
>> May 29 13:34:45 sjakie kernel: error data      = 0x0000000000000000
>> May 29 13:34:45 sjakie kernel: branch link     = 0x00009F6000009F60
>> May 29 13:34:45 sjakie kernel: interrupt link  = 0x0000DBEA00000000
>> May 29 13:34:45 sjakie kernel: time            = 69923
>> May 29 13:34:45 sjakie kernel: driver status:
>> May 29 13:34:45 sjakie kernel: tx ring  0: qid=0  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  1: qid=1  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  2: qid=2  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  3: qid=3  cur=2   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  4: qid=4  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  5: qid=5  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  6: qid=6  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  7: qid=7  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  8: qid=8  cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring  9: qid=9  cur=81  queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 10: qid=10 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 11: qid=11 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 12: qid=12 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 13: qid=13 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 14: qid=14 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 15: qid=15 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 16: qid=16 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 17: qid=17 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 18: qid=18 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: tx ring 19: qid=19 cur=0   queued=0
>> May 29 13:34:45 sjakie kernel: rx ring: cur=61
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_panicked: controller panicked,
>> iv_state = 5; restarting
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode  
>> rev=0x12a80601
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>> May 29 13:34:45 sjakie kernel: iwn0: scan timeout
>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode  
>> rev=0x12a80601
>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
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