usb/144423: if_run panic with USB-N13

[Hans Petter Selasky]

On Friday 05 March 2010 10:31:35 PseudoCylon wrote:
> >The files seem a little far from the current I am running, I just used
> >the updates to the usbdevs file and the unlock-lock around the firmware
> > load in if_run.c.
> 
> Yes, there are some bits added to support RT3572 chipsets. It would be
>  greately appreciated if you try that file if it's not too mutch trouble.
> 
> >The ASUS-N13 does work when a child wlan device is created with it,
> >but if just "ifconfig run0 up" is done there is a page fault. I do
> >not know if that is expected. This occurs with or without runfw.ko
> >being loaded beforehand.
> 
> Yes, "ifconfig run0 up" will cause page fault. The wlanN interface is
>  should be created as an instance of the parent interface and used for
>  actual communication. This is new feature to 8.0 and 9-current. My
>  understanding is that if you create wlan and "ifconfig *wlan0* up", it
>  works, but if you "ifconfig *run0* up", it causes panic. (Of cource
>  without *. I'm trying to enphasize the point in plain text messeage.) That
>  is what should happen. (Actually, result of "ifconfig *run0* up" is
>  undefined.) "run0" should only be used when creating wlan.
> 
> If "ifconfig *wlan0* ..." is causing problem, please let us know.
> 

What is the backtrace of the panic?

--HPS