On Fri, May 27, 2011 at 9:36 PM, Maciej Mrozowski <reave...@gmail.com> wrote: > On Wednesday 25 of May 2011 08:58:53 Cedric Sodhi wrote: >> Dear list, >> >> I use a Atheros HTC USB Wireless Device TL-WN721N with 9271. This is >> basically a very new devices which received a lot of positive reviews. >> And linux people keep insisting that Atheros are one of the better Wifi >> choices to make on linux. But I'm not getting anywhere this device! > > While it may be apples vs oranges comparison but I have identical - "No probe > response" with my TL-WN821N V3 (AR9287+AR7010) USB device using recent > wireless testing (at 1e4541b73b33f9918255f36a60bdeacfae4fdb9d + htc_7010.fw > 1.3 firmware). >
I did try to recreate the issue but nothing helped. may be I can increase the range or test it under more noisy environment > On disconnect - no attempt to recover (my net.wlan script needs to be > restarted manually, maybe I jsut takes some time?) : > wlan0: detected beacon loss from AP - sending probe request > ieee80211 phy0: wlan0: No probe response from AP 68:7f:74:77:36:bc after > 500ms, try 1/5 > ieee80211 phy0: wlan0: No probe response from AP 68:7f:74:77:36:bc after > 500ms, try 2/5 > ieee80211 phy0: wlan0: No probe response from AP 68:7f:74:77:36:bc after > 500ms, try 3/5 > ieee80211 phy0: wlan0: No probe response from AP 68:7f:74:77:36:bc after > 500ms, try 4/5 > ieee80211 phy0: wlan0: No probe response from AP 68:7f:74:77:36:bc after > 500ms, disconnecting. > Tx BA session stop requested for 68:7f:74:77:36:bc tid 0 > Rx BA session stop requested for 68:7f:74:77:36:bc tid 0 > Rx BA session stop requested for 68:7f:74:77:36:bc tid 7 > Tx BA session stop requested for 68:7f:74:77:36:bc tid 0 > ieee80211 phy0: Removed STA 68:7f:74:77:36:bc > ieee80211 phy0: Destroyed STA 68:7f:74:77:36:bc > ieee80211 phy0: device now idle > Stopping Tx BA session for 68:7f:74:77:36:bc tid 0 > Could not find station: 68:7f:74:77:36:bc > Stopping Tx BA session for 68:7f:74:77:36:bc tid 0 > Could not find station: 68:7f:74:77:36:bc > cfg80211: All devices are disconnected, going to restore regulatory settings > cfg80211: Restoring regulatory settings > cfg80211: Adding request for country PL back into the queue > cfg80211: Kicking the queue > cfg80211: Calling CRDA for country: CN > ieee80211 phy0: device no longer idle - scanning > ieee80211 phy0: device now idle > > I do have a couple of related debug features in kernel (debugfs for mac80211 > and ath9k_htc included) - what info exactly would you like me to provide? Or > maybe some test scenario? anything... when the disconnection happen the prior mesgs will be useful > > Also some other strange issue I observed with ath9k_htc (just for record, I'll > report details them when I run on them again): > - occasionally it happens I need to change USB port in order to get driver re- > initialized (as it occasionally happens that device enters some locked state - > 'net.wlan stop' hangs waiting for it and it needs to be removed from USB port > to go further. Also after such operation sometimes this USB port appears to be > useless and even rmmod && modprobe (also on mac80211 and cfg80211 just in any > case) + reinserting USB stick doesn't help (error loading firmware), but > plugging to a different USB port works. > > A bit earlier (before a set of driver and firmware patches was applied by > Sujith last week) driver was "broken" to the point that it was actually > causing my WiFi router Cisco LinkSys WRT120N to freeze completely (router cold > reset was required in order to restore router operability) - this one is fixed > so don't bother - just for reference. > > -- > regards > MM > > _______________________________________________ > ath9k-devel mailing list > ath9k-devel@lists.ath9k.org > https://lists.ath9k.org/mailman/listinfo/ath9k-devel > > _______________________________________________ ath9k-devel mailing list ath9k-devel@lists.ath9k.org https://lists.ath9k.org/mailman/listinfo/ath9k-devel
