Re: an0: device timeout on x31

[Jost Tobias Springenberg <jspringe@xxxxxx>]

On Wed, 9 Apr 2008 09:48:56 +0800
"Sepherosa Ziehau" <sepherosa@gmail.com> wrote:

> On Wed, Apr 9, 2008 at 3:15 AM, Jost Tobias Springenberg
> <jspringe@uos.de> wrote:
> > message broken...
> >
> >  hw.an.an_cache_mode: dbm
> >  hw.an.an_dump: dbm
> >
> >  dmesg lists nothing special exept for the timeouts...
> >
> >  ping google.de
> >
> >  gives 3 times normal response with 40 ms
> >  then a timeout and ~4000ms responses followed by various timeouts.
> >
> >  If someone could give a brief sketch of how to debug the module I also would not
> >  fear doing it myself :).
> 
> Device timeout probably means TX desc is not correctly setup, but it
> may be caused by misconfiguring some TX related registers.  You could
> take a look at an_start(), an_intr() and an_txeof().  BTW, NetBSD
> seems to have done quite a good job on an(4).
> 
> Best Regards,
> sephe
> 
> -- 
> Live Free or Die

I think I have found a hotfix for it, you were quite close talking about the TX registers.
I did not yet have the time to really test it though, 
but I am willing to do so next weekend.
Is there anybody else using this driver, so that once I have it working we can check wether 
the fix brakes anything for somebody else ?

Regards,
Tobias

-- 
Jost Tobias Springenberg <jspringe@uos.de>