On 08/13/2011 10:02 PM, Bernd Schubert wrote: > Hi all, > > I bought a new usb wifi device with 2 antennas to get a better > connection to my router. 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. 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. So I compiled this kernel and now I don't > get a connection to my router at all anymore. And except of seeing my > SSID and about 10 others from my neighbors, I now only can see two > neighbor connections. > > I guess that is due *lots* of messages like those: > > >> [ 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: As a side note, I'm still getting those messages every 16 seconds. How I can disable that spam? Thanks, 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
