Firmware panic, 'Unable to remove station entry...'

[Oleksij Rempel]

Am 24.04.2014 19:20, schrieb Jason Conti:
> Hello,
> 
> With my TP-Link TL-WN821N wireless adapter using the ath9k_htc module
> I am occasionally
> running into the following error, which results in hanging many
> processes on the system:

I assume you use old firmware, new firmare should initiate usb reset
after panic.

> [ 3501.052975] usb 1-2: ath: firmware panic! exccause: 0x0000000d; pc:
> 0x0090a641; badvaddr: 0x12345678.

It looks like usb related bug which i fixed in never version. Try to
update it.
https://github.com/olerem/ath9k-htc-firmware-blob

> [ 3517.088168] wlan0: moving STA f4:ec:38:ec:42:02 to state 3
> [ 3517.088180] wlan0: moving STA f4:ec:38:ec:42:02 to state 2
> [ 3519.088060] ath: phy0: Unable to remove station entry for: f4:ec:38:ec:42:02
> [ 3519.088078] wlan0: moving STA f4:ec:38:ec:42:02 to state 1
> [ 3519.088084] wlan0: Removed STA f4:ec:38:ec:42:02
> [ 3519.088240] wlan0: Destroyed STA f4:ec:38:ec:42:02
> 
> I filed a bug with more information on launchpad:
> 
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1301558
> 
> I'm working on debugging the issue but I thought I would ask here in
> case anyone had any idea
> about the values in the firmware panic string.
> 
> Thanks,
> Jason Conti
> 
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-- 
Regards,
Oleksij

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