Date: Mon, 30 Dec 2013 11:59:25 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Toomas Aas <toomas.aas@raad.tartu.ee>, Kevin Lo <kevlo@freebsd.org> Cc: "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org> Subject: Re: TP-Link TL-WN727N V3 - cannot scan or connect to anything Message-ID: <CAJ-VmomFF37EwjBpvtg1K-WD18_5oHcjP3Mzx8nM1t2UbNUXrg@mail.gmail.com> In-Reply-To: <20131230215333.14922qizl4ug0qqs@webmail.raad.tartu.ee> References: <20131230203659.957651ynumecyn40@webmail.raad.tartu.ee> <CAJ-Vmomkz2s1i4yXcKW%2BayvE2yPWH3aDu=2%2Bx-=YureSE5BuWQ@mail.gmail.com> <20131230215333.14922qizl4ug0qqs@webmail.raad.tartu.ee>
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Ok. Kevin? -a On 30 December 2013 11:53, Toomas Aas <toomas.aas@raad.tartu.ee> wrote: > Hello Adrian! > > Thanks for the idea. > > I tried with just "ifconfig wlan0 up". Indeed it seems that the "scan" is > redundant, as wlandebug output shows that a scan is started immediately > after I issue the "ifconfig wlan0 up" command. Alas, the scan result is > still the same as in my original message, and "ifconfig wlan0 list scan" > shows no results. > > > On Mon, 30 Dec 2013 Adrian Chadd <adrian@freebsd.org> wrote: > >> Don't do up scan. >> >> Just do >> >> ifconfig wlan0 up >> >> ifconfig wlan0 list scan >> >> There may be some stupid race conditions there. >> >> -a >> >> >> On 30 December 2013 10:36, Toomas Aas <toomas.aas@raad.tartu.ee> wrote: >>> >>> Hello! >>> >>> I posted a request on the FreeBSD forums on this topic, but got no >>> responses: >>> http://forums.freebsd.org/viewtopic.php?f=3D46&t=3D43895 >>> >>> 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, appen= d >>> 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 i= n >>> 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 i= n >>> the >>> same adapter to a laptop with Windows 7, it successfully shows the near= by >>> access points and allows me to connect to one, so the adapter is not >>> broken. >>> Any ideas for further troubleshooting are welcome. >>> >>> -- >>> Toomas Aas >>> >>> _______________________________________________ >>> freebsd-wireless@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-wireless >>> To unsubscribe, send any mail to >>> "freebsd-wireless-unsubscribe@freebsd.org" >> >> > > > > -- > Toomas Aas > Tartu linnakantselei arvutiv=F5rgu peaspetsialist > tel 736 1274 > mob 513 6493
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