Hello!
I posted a request on the FreeBSD forums on this topic, but got no responses:
http://forums.freebsd.org/viewtopic.php?f=46&t=43895
So, I'll repeat it here hoping that it may catch the attention of some
experts who are maybe not following the forums.
I'm trying to get TP-Link TL-WN727N V3 USB wifi adapter working with
my FreeBSD 9.2-STABLE amd64 system (r259472). It seems to me that this
adapter uses Ralink RT5370 chipset, and support for this was merged to
9-STABLE in r259457.
I plug in the adapter and it seems to be recognized:
Dec 18 18:13:15 kernel: ugen2.2: <TPlink> at usbus2
Dec 18 18:13:15 kernel: run0: <1.0> on usbus2
Dec 18 18:13:15 kernel: run0: MAC/BBP RT5390 (rev 0x0502), RF RT5370
(MIMO 1T1R), address f8:1a:67:19:40:24
I create the wlan device:
# ifconfig wlan0 create wlandev run0
Then I try to scan, but both of the below commands return immediately
without any result:
# ifconfig wlan0 up scan
# ifconfig wlan0 list scan
I tried running wlandebug -i wlan0 +scan, and an endless supply of
following is recorded in /var/log/messages:
Dec 18 21:47:26 kernel: wlan0: ieee80211_check_scan: active scan, append
Dec 18 21:47:26 kernel: wlan0: ieee80211_scanreq: flags 0x1b duration
0x7fffffff mindwell 0 maxdwell 0 nssid 0
Dec 18 21:47:26 kernel: wlan0: scan_update_locked: current scanner is
<none:none>, switch to <wlan0:STA>
Dec 18 21:47:26 kernel: wlan0: start_scan_locked: active scan,
duration 2147483647 mindwell 0 maxdwell 0, desired mode auto, flush
Dec 18 21:47:26 kernel: wlan0: scan set 1g, 6g, 11g, 7g, 2g, 3g, 4g,
5g, 8g, 9g, 10g dwell min 20ms max 200ms
Dec 18 21:47:26 kernel: wlan0: start_scan_locked: active scan already
in progress
Dec 18 21:47:26 kernel: wlan0: scan_task: chan 1b -> 1g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:26 kernel: wlan0: scan_task: chan 1g -> 6g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:27 kernel: wlan0: scan_task: chan 6g -> 11g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:27 kernel: wlan0: scan_task: chan 11g -> 7g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:27 kernel: wlan0: scan_task: chan 7g -> 2g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:27 kernel: wlan0: scan_task: chan 2g -> 3g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:27 kernel: wlan0: scan_task: chan 3g -> 4g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:28 kernel: wlan0: scan_task: chan 4g -> 5g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:28 kernel: wlan0: scan_task: chan 5g -> 8g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:28 kernel: wlan0: scan_task: chan 8g -> 9g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:28 kernel: wlan0: scan_task: chan 9g -> 10g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:29 kernel: wlan0: sta_pick_bss: no scan candidate
Dec 18 21:47:29 kernel: wlan0: scan_task: done, restart [ticks
1706420, dwell min 20 scanend 2149187524]
Dec 18 21:47:29 kernel: wlan0: scan_task: chan 10g -> 1g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:29 kernel: wlan0: scan_task: chan 1g -> 6g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:29 kernel: wlan0: scan_task: chan 6g -> 11g [active,
dwell min 20ms max 200ms]
Dec 18 21:47:29 kernel: wlan0: scan_task: chan 11g -> 7g [active,
dwell min 20ms max 200ms]
I've watched this output for 10 minutes and it just seems to go on
indefinitely. I'm not sure what to think of this. There are several
access points near me that the scan should find, but it doesn't. When
I plug in the same adapter to a laptop with Windows 7, it successfully
shows the nearby access points and allows me to connect to one, so the
adapter is not broken. Any ideas for further troubleshooting are
welcome.
--
Toomas Aas
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