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Date: Tue, 03 May 2016 02:51:56 +0200
Subject: if_iwn wifi broke on 11-CURRENT
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From: "Ronald Klop" <ronald-lists@klop.ws>
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Hi,

I upgraded my laptop and Wifi stopped working.

It still worked on:
May  2 20:11:13 sjakie kernel: FreeBSD 11.0-CURRENT #8 r296724M: Sun Mar  
13 16:03:31 CET 2016
but broke on:
May  2 20:24:53 sjakie kernel: FreeBSD 11.0-CURRENT #9 r298900M: Mon May   
2 05:00:46 CEST 2016.

I booted the old kernel again and grabbed this information:
The device is an:
iwn0: <Intel Centrino Advanced 6235> mem 0xf8000000-0xf8001fff irq 17 at  
device 0.0 on pci3

ifconfig:
wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
	ether **:**:**:**:**:**
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: IEEE 802.11 Wireless Ethernet MCS mode 11ng
	status: associated
	ssid ****** channel 11 (2462 MHz 11g ht/20) bssid **:**:**:**:**:**
	regdomain ETSI country NL authmode WPA2/802.11i privacy ON
	deftxkey UNDEF AES-CCM 2:128-bit txpower 30 bmiss 10 scanvalid 60
	protmode CTS ampdulimit 64k ampdudensity 8 -amsdutx amsdurx shortgi
	wme roaming MANUAL
	groups: wlan

It works on 5Ghz also.

Regards,
Ronald.