Re: Kernel oops in __netif_schedule() for at76c50x-usb

[Larry Finger <Larry.Finger@lwfinger.net>]

On 07/02/2012 12:38 PM, Johannes Berg wrote:
>
>>> I'm not sure which fix is correct though. Should we have software QoS
>>> queues for these drivers, but we'll never use them? Then this would
>>> work:
>>> http://p.sipsolutions.net/e015bf7db9a05887.txt
>>>
>>> Or we could change the enable code path. Hmm.
>>
>> That patch does prevent the oops. I was not able to make a connection with the
>> device, but I just acquired it, and I'm not sure of its quality, or that of the
>> driver.
>
> I don't think that device works today -- IIRC it requires the BSSID
> before authentication and that wasn't possible before the auth redesign.
>
>> It does scan OK, and I think the patch is OK. I'll do more tests with
>> b43legacy later as the machine with that iface is busy. I will also test b43 on
>> the PPC using the open-source firmware.
>>
>> Although you may want to change the enable code path, some patch will be needed
>> to prevent a regression in 3.5. If this is the one, you may add a "Tested-by"
>> for me.
>
> Thanks. Could you try this patch instead? I think it makes more sense.
>
> http://p.sipsolutions.net/c3e9b814a409ca11.txt

That one fails and gives the oops in __netif_schedule.

Larry