On 08/13/2011 11:11 PM, Christian Lamparter wrote: > On Saturday 13 August 2011 22:51:17 Bernd Schubert wrote: >> On 08/13/2011 10:34 PM, Christian Lamparter wrote: >>> On Saturday 13 August 2011 22:02:18 Bernd Schubert wrote: >>>> I bought a new usb wifi device with 2 antennas to get a better >>>> connection to my router. >>> So, you are saying that there was something wrong with the old >>> stick as well, right!? >> >> There is nothing wrong with the previous zd1211rw device, its antenna is >> just a bit weak and so I only can use it, when my system is rather close >> to the router... > Then just stick with that :-D. The problem is that my system is usually not close to the router and have to connect via a wr54g, which has good antennas. But for some reasons I would like to get rid of that... > >>>> From point of few of connection strength that worked out very well, from >>>> point of view of connection stability that is total disaster so far. >>> Sure, you are affected by constant "loud" noise on the frequency/band. >>> The hardware is unable to finish the noise floor calibration and therefore >>> gives up. >>> >>>> With Ubuntus 2.6.38-something it connects and then entirely fails after >>>> sending a few bytes. So I checked git log and noticed carl9170 is being >>>> used in recent kernels and connection issues have been fixed in 3.1-git. >>> what commits are you talking about? >> >> >> For example: >> >> 582965672831180b2e1f5e15ea1f7dc6f5b93018 >> "carl9170: set beacon xmit power to the max" > This change is not relevant for station mode. Ok > >>>>> [ 1058.936551] cfg80211: Calling CRDA to update world regulatory domain >>>>> [ 1058.945510] cfg80211: World regulatory domain updated: >>>>> [ 1058.945519] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) >>>>> [ 1058.945529] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) >>>>> [ 1058.945538] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) >>>>> [ 1058.945547] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) >>>>> [ 1058.945555] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) >>>>> [ 1058.945563] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) >>>>> [ 1058.945604] cfg80211: Calling CRDA for country: 97 >>>>> [ 1061.373997] ieee80211 phy1: channel change: 2417 -> 2422 failed (2). >>>>> [ 1061.682115] ieee80211 phy1: channel change: -1 -> 2422 failed (2). >>>>> [ 1061.682132] usb 10-1.2: restart device (7) >>>>> [ 1062.096523] cfg80211: Calling CRDA to update world regulatory domain >>>>> [ 1062.105469] cfg80211: World regulatory domain updated: >>>> >>>> Any idea what is going on here? Do I need a crda tool? Or is something >>>> else failing? >>> Yes, you need crda, if you haven't installed it already. >> >> Sorry, I forgot "update" there. So I asked if I would need to update >> crda. I just did that, but I just don't want to disconnect right now to >> see if it connects any faster. Those messages still appear every 16 >> seconds and spam my logs :( > Luis, do you know what causes these CRDA spamming? > (Also, the country code should be "DE" in his case, or?) > >>>> Update: While writing this up and after I plugged in my zd1211rw device, >>>> eventually also my tp-link carl9170 device connected a few minutes >>>> later. Do I always have to wait for 20 minutes to get a connection now? >>> That's odd. TP-Link does not sell any AR9170 anymore, in fact they dropped it >>> more than a year ago and replaced the line-up with AR7010+AR9287? so where >>> did you get this obsolete device? >> >> The device is a TL-WN822N available widely here, I think. > Well, there's a WN822N v1 and there's a WN822N v2. You got the > old v1, probably because someone else returned it. AR9170 is long > gone, in fact Qualcomm Atheros has does not even list the product on > their website anymore. Yeah thanks, I just figured out myself. Lets see if I can exchange it, even without the original box. Thanks a lot for your help, Bernd -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
