[ath9k-devel] Tplink TL-WN822N drops out connections randomly on Arch Linux with Kernel 3.9.4 (Mark Lee)

[Oleksij Rempel <linux@rempel-privat.de>]

Hi Peter,

if it is regression, can you please do git bisect to find commit 
affecting your connection. It can be outside of ath9k_htc source.

Am 18.06.2013 20:20, schrieb Peter V?gner:
> Hello,
> I do also have similar device and am facing a strange problem with it.
> After booting up the machine I am unable to connect to certain wireless
> AP. That is an old Owislink WL5460 router set up in 2.4B+G mode with WPA
> encryption.
> After connecting to another AP e.g. non encrypted AP made up of my
> Android phone or even encrypted AP created on an iphone I can then
> connect to the problematic AP.
> I am on arch linux currently with kernel 3.9.6. The issue started
> happening as I have updated my kernel to 3.9.1. Previously everything
> has been working fine wor me.
>
> Here are some more details
>
> $ lsusb | grep Ather
> Bus 002 Device 005: ID 0cf3:9271 Atheros Communications, Inc. AR9271
> 802.11n
>
> $ iw dev wlp0s26u1u6 get power_save
> Power save: off
>
>
> $ dmesg | grep 00:4f:62:05:df:2d
> [   23.237360] wlp0s26u1u6: authenticate with 00:4f:62:05:df:2d
> [   23.331989] wlp0s26u1u6: send auth to 00:4f:62:05:df:2d (try 1/3)
> [   26.376049] wlp0s26u1u6: send auth to 00:4f:62:05:df:2d (try 2/3)
> [   28.335490] wlp0s26u1u6: deauthenticating from 00:4f:62:05:df:2d by
> local choice (reason=3)
> --- snip ---
> This is repeating over and over again until I connect to something else.
> And then the final successfull connection to this AP looks like...
> [  252.381096] wlp0s26u1u6: authenticate with 00:4f:62:05:df:2d
> [  252.520920] wlp0s26u1u6: send auth to 00:4f:62:05:df:2d (try 1/3)
> [  252.524098] wlp0s26u1u6: associate with 00:4f:62:05:df:2d (try 1/3)
> [  252.538293] wlp0s26u1u6: RX AssocResp from 00:4f:62:05:df:2d
> (capab=0x411 status=0 aid=3)
>
> $ dmesg | grep ath9k_htc
> [    7.353707] usb 2-1.6: ath9k_htc: Firmware htc_9271.fw requested
> [    7.353772] usbcore: registered new interface driver ath9k_htc
> [    7.829552] usb 2-1.6: ath9k_htc: Transferred FW: htc_9271.fw, size:
> 51272
> [    8.064565] ath9k_htc 2-1.6:1.0: ath9k_htc: HTC initialized with 33
> credits
> [    8.255145] ath9k_htc 2-1.6:1.0: ath9k_htc: FW Version: 1.3
> [  252.522905] ath9k_htc 2-1.6:1.0 wlp0s26u1u6: disabling HT as WMM/QoS
> is not supported by the AP
> [  252.522908] ath9k_htc 2-1.6:1.0 wlp0s26u1u6: disabling VHT as WMM/QoS
> is not supported by the AP
>
> $ sudo iw dev wlp0s26u1u6 scan dump
> BSS 00:4f:62:05:df:2d(on wlp0s26u1u6) -- associated
>      TSF: 254735798022 usec (2d, 22:45:35)
>      freq: 2412
>      beacon interval: 100 TUs
>      capability: ESS Privacy ShortSlotTime (0x0411)
>      signal: -61.00 dBm
>      last seen: 103493 ms ago
>      Information elements from Probe Response frame:
>      SSID: predok
>      Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0
>      DS Parameter set: channel 1
>      ERP: <no flags>
>      Extended supported rates: 24.0 36.0 48.0 54.0
>      WPA:     * Version: 1
>           * Group cipher: TKIP
>           * Pairwise ciphers: TKIP
>           * Authentication suites: PSK
>      RSN:     * Version: 1
>           * Group cipher: TKIP
>           * Pairwise ciphers: CCMP
>           * Authentication suites: PSK
>           * Capabilities: (0x0000)
>
> $ sudo iw dev wlp0s26u1u6 scan dump
> [sudo] password for peto:
> BSS 00:4f:62:05:df:2d(on wlp0s26u1u6)
>      TSF: 255417536590 usec (2d, 22:56:57)
>      freq: 2412
>      beacon interval: 100 TUs
>      capability: ESS Privacy ShortSlotTime (0x0411)
>      signal: -59.00 dBm
>      last seen: 386 ms ago
>      Information elements from Probe Response frame:
>      SSID: predok
>      Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0
>      DS Parameter set: channel 1
>      ERP: <no flags>
>      Extended supported rates: 24.0 36.0 48.0 54.0
>      WPA:     * Version: 1
>           * Group cipher: TKIP
>           * Pairwise ciphers: TKIP
>           * Authentication suites: PSK
>      RSN:     * Version: 1
>           * Group cipher: TKIP
>           * Pairwise ciphers: CCMP
>           * Authentication suites: PSK
>           * Capabilities: (0x0000)
>
>
>
> Thanks and greetings


-- 
Regards,
Oleksij