[ath9k-devel] Firmware - ar9271.fw not found

[Stefan Bader]

On 07/16/2010 04:22 AM, Chase Douglas wrote:
> On Thu, 2010-07-15 at 10:17 -0700, Luis R. Rodriguez wrote:
>> On Thu, Jul 15, 2010 at 12:50 AM, Falk-Moritz Schaefer
>> <falk.schaefer at tu-dortmund.de> wrote:
>>> Hi all,
>>
>> Please avoid HTML e-mails at all costs.
>>
>>> I have problems getting TL-WN721N to work. I have two identical laptops both
>>> with a fresh Ubuntu 10.04 and BIOS Update. On one laptop the wireless usb
>>> device works, on the other one I get the firmware error after one minute
>>> (see below).
>>>
>>> :/lib/firmware$ ls -la ar*.fw
>>> -rw-r--r-- 1 root root 51280 2010-07-15 08:51 ar9271.fw
>>>
>>> tail -f /var/log/kern.log
>>> Jul 15 09:38:14 leber kernel: [  201.144235] usb 1-3: ath9k_htc: Firmware -
>>> ar9271.fw not found
>>
>> Odd, yeah that should work, TL-WN721N is listed as AR9271 and not
>> AR7010, which ath9k_htc also supports. The AR7010 devices does require
>> an update usb mode switch [1] but since your device is not AR7010 I do
>> not think that is the issue here. I take it you are usng
>> compat-wireless?
>>
>> CC'ing the Ubuntu kernel team. Hey you guys have any idea on this?
> 
> Thanks Luis
> 
> Falk, please open a bug against the linux-firmware package for this
> issue:
> 
> https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+filebug
> 
> Unless I've misread something, it sounds like we are just missing the
> firmware file. That should be an easy fix.
> 
> Thanks,
> 
> -- Chase
> 
> 

>From what I read that is not the case. Two identically set up machines show
different behaviour and if the ls and error message were done on the same
machine the file is actually there.
I have not read the code, so I am more speculating, but could some other error
in the firmware loading be falsely evaluated as fw not found?

-Stefan