[Bug 540827] Re: ar9170usb wifi module crash + instabile connection

[Savvas Radevic]

Um.. I looked at "dmesg" command output and found this:

[18088.353200] usb 2-1: USB disconnect, address 2
[18088.381286] wlan1: deauthenticating from 00:25:86:c7:9d:73 by local choice (reason=3)
[18102.380014] usb 2-1: new high speed USB device using ehci_hcd and address 4
[18102.577690] usb 2-1: configuration #1 chosen from 1 choice
[18102.740016] usb 2-1: reset high speed USB device using ehci_hcd and address 4
[18103.930016] usb 2-1: firmware: requesting ar9170.fw
[18104.270045] ath: EEPROM regdomain: 0x809c
[18104.270048] ath: EEPROM indicates we should expect a country code
[18104.270051] ath: doing EEPROM country->regdmn map search
[18104.270053] ath: country maps to regdmn code: 0x52
[18104.270055] ath: Country alpha2 being used: CN
[18104.270056] ath: Regpair used: 0x52
[18104.270496] phy1: Selected rate control algorithm 'minstrel'
[18104.271229] cfg80211: Calling CRDA for country: CN
[18104.271822] Registered led device: ar9170-phy1::tx
[18104.271839] Registered led device: ar9170-phy1::assoc
[18104.271842] usb 2-1: Atheros AR9170 is registered as 'phy1'
[18104.271868] usbcore: registered new interface driver ar9170usb
[18104.276077] cfg80211: Regulatory domain changed to country: CN
[18104.276081]     (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[18104.276084]     (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[18104.276087]     (5735000 KHz - 5835000 KHz @ 40000 KHz), (N/A, 3000 mBm)

My router shows country US for wireless channel restrictions (Wireless -> Basic) -- perhaps that's causing the problem?
I used this guide to set it the country US: http://ubuntuforums.org/showthread.php?t=1324288

Anyone else?

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ar9170usb wifi module crash + instabile connection
https://bugs.launchpad.net/bugs/540827
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