ath9k_htc issues on beaglebone

[Oleksij Rempel]

Am 14.02.2014 16:44, schrieb Ian Downard:
> I'm having problems using the ath9k_htc on a Beaglebone with a TP-Link
> WN722N usb wifi adapter running Angstrom Linux and the 3.13.1 kernel.
> I can get wlan0 to come up, join a secured access point, and run
> normally for about 30 minutes, but always between 28 and 30 minutes,
> the interface goes down, and I get the following error in dmesg:
> 
> [  962.531494]       Not tainted 3.13.1+ #1
> [  962.535789] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [  962.545092] INFO: task wpa_supplicant:366 blocked for more than 120 seconds.
> [  962.552559]       Not tainted 3.13.1+ #1
> [  962.556781] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> 
> 
> Any command that interacts with wlan0 will subsequently hang, such as
> ifconfig, iwconfig, wpa_supplicant, etc.
> 
> I've posted my dmesg here:
> http://pastebin.com/raw.php?i=WaF3NSZ3
> 
> And I've posted a typescript file containing verbose debug output from
> wpa_supplicant here:
> http://pastebin.com/raw.php?i=GVr1rb0Y
> 
> lsmod excerpt says this:
> 
> ath9k_htc              76887  0
> mac80211              457028  1 ath9k_htc
> ath9k_common            2725  1 ath9k_htc
> ath9k_hw              429016  2 ath9k_common,ath9k_htc
> ath                    19907  3 ath9k_common,ath9k_htc,ath9k_hw
> cfg80211              407564  3 ath,mac80211,ath9k_htc
> 
> 
> lsusb excerpt says this:
> 
> Bus 002 Device 002: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11n
> 
> 
> I'm using the ath9 drivers which are included in the 3.13 kernel,
> which I downloaded from git://github.com/beagleboard/kernel.git and
> compiled myself.
> 
> I'm also using htc_9271.fw firmware which I downloaded from
> https://github.com/qca/open-ath9k-htc-firmware and compiled myself.
> 
> Does anyone know what else I could do to troubleshoot this problem?


Hi, it will be good start if you can grub latest wireles-testing.git
There are some patches for ath9k_htc including important patch which
notify if FW panic was detected.

-- 
Regards,
Oleksij

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 278 bytes
Desc: OpenPGP digital signature
URL: <http://lists.infradead.org/pipermail/ath9k_htc_fw/attachments/20140215/a5985a5b/attachment.sig>