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Date:      Fri, 29 Jul 2016 11:11:14 -0400
From:      Mason Loring Bliss <mason@blisses.org>
To:        FreeBSD Hackers <freebsd-hackers@freebsd.org>
Subject:   Re: Disappointment with wifi...
Message-ID:  <20160729151114.GH4313@blisses.org>
In-Reply-To: <e25f2ae8-5ba1-e9f0-670f-2b2de2606116@mail.lifanov.com> <ac4a7620-2aa3-3299-084d-c2d38b1820eb@freebsd.org> <CAJ-Vmon3-Kp2gODBTzf=go0GDOs_OP0K=Uwo-MTT4p2mJhfiCg@mail.gmail.com>

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On Thu, Jul 28, 2016 at 06:05:46PM -0700, Adrian Chadd wrote:

> FreeBSD wireless progresses at the rate at which people pay for FreeBSD!
> You should let your vendor know about your problem!

That's what I'm doing now! :P


> $ ifconfig -v wlan0 list sta
> $ ifconfig -v wlan0
> $ ifconfig -v wlan0 list scan

Alright. I'm attaching these. The signal strength is pretty weak despite my
being somewhat close to the WAP. (Which is, FWIW, a node in a small Unifi
zero- handoff network.) That said, I manage solid connection with this lapt=
op
in the same spot running Linux, and with MacBooks.

I'll happily supply more diagnostic information, as needed.


On Fri, Jul 29, 2016 at 01:17:07AM -0400, Allan Jude wrote:

> I have a T530, it has the same 6205 wifi chip, and it works fine.

Same here running Linux. It's only problematic with FreeBSD driving the
hardware. I'd very much like FreeBSD to be driving this unproblematically.


> I have sometimes had better luck by disabling ht20 (ifconfig wlan0
> -ht20), but I don't recall the last time I had to do that.

This was briefly hopeful. I set that in rc.conf and rebooted, and I got a
quick, solid connection. But then through several subsequent reboots my wifi
light is flashing and connectivity is sporadic at best, with the same
messages piling into the console.

--=20
Mason Loring Bliss   ((  "In the drowsy dark cave of the mind dreams
mason@blisses.org     ))  build  their nest  with fragments  dropped
http://blisses.org/  ((   from day's caravan." - Rabindranath Tagore

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Script started on Fri Jul 29 10:29:09 2016
root@elided:~ # ifconfig -v wlan0 list sta
ADDR               AID CHAN RATE RSSI IDLE  TXSEQ  RXSEQ CAPS FLAG  =20
ElidedStationMAC   11    6  18M 14.5    0     25   4112 EPS  AQE     SSID<E=
lidedBSSID> RATES<B2,B4,B11,B22,B12,18,B24,36> DSPARMS<6> TIM<0505000100021=
2> ERP<0x0> RSN<v1 mc:AES-CCMP uc:AES-CCMP km:8021X-PSK> XRATES<B48,72,96,1=
08> HTCAP<cap 0x1ac param 0x1b mcsset[0-15] extcap 0x0 txbf 0x0 antenna 0x0=
> HTINFO<ctl 6, 8,c,0,0 basicmcs[]> WME<qosinfo 0x2 BE[aifsn 3 cwmin 4 cwma=
x 10 txop 0] BK[aifsn 7 cwmin 4 cwmax 10 txop 0] VO[aifsn 2 cwmin 3 cwmax 4=
 txop 94] VI[aifsn 2 cwmin 2 cwmax 3 txop 47]> ATH<0x7fff> VEN<dd1300156d00=
010100010202e581060418->
root@elided:~ # ifconfig -v wlan0
wlan0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 15=
00
	ether ElidedMAC
	inet ElidedIP netmask 0xffffff00 broadcast ElidedBroadcast=20
	nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: IEEE 802.11 Wireless Ethernet OFDM/18Mbps mode 11g
	status: associated
	ssid ElidedBSSID channel 6 (2437 MHz 11g) bssid ElidedStationMAC
	regdomain FCC country US anywhere -ecm authmode WPA2/802.11i -wps
	-tsn privacy ON deftxkey UNDEF
	AES-CCM 2:128-bit powersavemode OFF powersavesleep 100 txpower 30
	txpowmax 50.0 -dotd rtsthreshold 2346 fragthreshold 2346 bmiss 10
	11a     ucast NONE    mgmt  6 Mb/s mcast  6 Mb/s maxretry 6
	11b     ucast NONE    mgmt  1 Mb/s mcast  1 Mb/s maxretry 6
	11g     ucast NONE    mgmt  1 Mb/s mcast  1 Mb/s maxretry 6
	turboA  ucast NONE    mgmt  6 Mb/s mcast  6 Mb/s maxretry 6
	turboG  ucast NONE    mgmt  1 Mb/s mcast  1 Mb/s maxretry 6
	sturbo  ucast NONE    mgmt  6 Mb/s mcast  6 Mb/s maxretry 6
	11na    ucast NONE    mgmt 12 MCS  mcast 12 MCS  maxretry 6
	11ng    ucast NONE    mgmt  2 MCS  mcast  2 MCS  maxretry 6
	half    ucast NONE    mgmt  3 Mb/s mcast  3 Mb/s maxretry 6
	quarter ucast NONE    mgmt  1 Mb/s mcast  1 Mb/s maxretry 6
	scanvalid 60 -bgscan bgscanintvl 300 bgscanidle 250
	roam:11a     rssi    7dBm rate 12 Mb/s
	roam:11b     rssi    7dBm rate  1 Mb/s
	roam:11g     rssi    7dBm rate  5 Mb/s
	roam:turboA  rssi    7dBm rate 12 Mb/s
	roam:turboG  rssi    7dBm rate 12 Mb/s
	roam:sturbo  rssi    7dBm rate 12 Mb/s
	roam:11na    rssi    7dBm  MCS  1   =20
	roam:11ng    rssi    7dBm  MCS  1   =20
	roam:half    rssi    7dBm rate  6 Mb/s
	roam:quarter rssi    7dBm rate  3 Mb/s
	-pureg protmode CTS -ht htcompat ampdu ampdulimit 64k ampdudensity 8
	-amsdutx amsdurx shortgi htprotmode RTSCTS -puren -smps -rifs -stbc
	wme -burst -dwds roaming MANUAL bintval 100
	AC_BE cwmin  4 cwmax 10 aifs  3 txopLimit   0 -acm ack
	      cwmin  4 cwmax 10 aifs  3 txopLimit   0 -acm
	AC_BK cwmin  4 cwmax 10 aifs  7 txopLimit   0 -acm ack
	      cwmin  4 cwmax 10 aifs  7 txopLimit   0 -acm
	AC_VI cwmin  3 cwmax  4 aifs  2 txopLimit  94 -acm ack
	      cwmin  3 cwmax  4 aifs  2 txopLimit  94 -acm
	AC_VO cwmin  2 cwmax  3 aifs  2 txopLimit  47 -acm ack
	      cwmin  2 cwmax  3 aifs  2 txopLimit  47 -acm
	groups: wlan=20
root@elided:~ # ifconfig -v wlan0 list scan
SSID/MESH ID                     BSSID              CHAN RATE    S:N     IN=
T CAPS
ElidedBSSID                            ElidedStationMAC    6   54M  -74:-95=
   100 EPS  SSID<ElidedBSSID> RATES<B2,B4,B11,B22,B12,18,B24,36> DSPARMS<6>=
 TIM<05050001000212> ERP<0x0> RSN<v1 mc:AES-CCMP uc:AES-CCMP km:8021X-PSK> =
XRATES<B48,72,96,108> HTCAP<cap 0x1ac param 0x1b mcsset[0-15] extcap 0x0 tx=
bf 0x0 antenna 0x0> HTINFO<ctl 6, 8,c,0,0 basicmcs[]> WME<qosinfo 0x2 BE[ai=
fsn 3 cwmin 4 cwmax 10 txop 0] BK[aifsn 7 cwmin 4 cwmax 10 txop 0] VO[aifsn=
 2 cwmin 3 cwmax 4 txop 94] VI[aifsn 2 cwmin 2 cwmax 3 txop 47]> ATH<0x7fff=
> VEN<dd1300156d00010100010202e581060418->
linksys2                         00:26:b8:be:9a:db    6   54M  -91:-95   10=
0 EPS  SSID<linksys2> RATES<B2,B4,B11,B22,12,18,24,36> DSPARMS<6> PWRCNSTR<=
200100> ERP<0x0> XRATES<48,72,96,108> WME<qosinfo 0x3 BE[aifsn 3 cwmin 4 cw=
max 10 txop 0] BK[aifsn 7 cwmin 4 cwmax 10 txop 0] VO[aifsn 2 cwmin 3 cwmax=
 4 txop 94] VI[aifsn 2 cwmin 2 cwmax 3 txop 47]> HTCAP<cap 0x138c param 0x1=
b mcsset[0-7] extcap 0x0 txbf 0x0 antenna 0x0> HTINFO<ctl 6, 0,1b,0,0 basic=
mcs[]> ATH<0x7fff> VEN<dd0a00037f04010020000000> COUNTRY<US  1-11,27>
root@elided:~ # exit
exit

Script done on Fri Jul 29 10:29:34 2016

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