yongari nfe problems

[Rainer Hurling]

Pyun YongHyeon schrieb:
> On Wed, Apr 04, 2007 at 09:27:00PM +0200, Rainer Hurling wrote:
>  > Pyun YongHyeon schrieb:
>  > >On Tue, Apr 03, 2007 at 06:49:42PM +0200, Rainer Hurling wrote:
>  > >
>  > >[...]
>  > > > 
>  > > > In "man ehci(4)" I found:
>  > > > 
>  > > > -------
>  > > > BUGS
>  > > >      The driver is not finished and is quite buggy.
>  > > >      There is currently no support for isochronous transfers.
>  > > > -------
>  > > > 
>  > > > Possibly this could cause the observed "dropouts" of nfe0 from a few 
>  > > > seconds till several minutes?
>  > > > 
>  > >
>  > >I'm not familiar with ehci(4) but I think it has nothing to do with
>  > >missing Tx completion interrupts observed on nfe(4).
>  > >
>  > > > 
>  > > > Is there a knob or option in driver nfe(4) I can use to try classical 
>  > > > polling or any 'lower' mode of operation?
>  > > > 
>  > >
>  > >Add 'options DEVICE_POLLING' into kernel configuration file and
>  > >rebuild your kernel. Use ifconfig(8) to enable/disable polling(4)
>  > >feature.
>  > >See polling(4) for more detailed description and tuning parameters.
>  > >
>  > 
>  > Thank you for this hint. I compiled my kernel with 'options 
>  > DEVICE_POLLING' and reboot.
>  > 
>  > For the first four hours I get no new watchdog timeouts. But then, 
>  > without heavy load and without using usb devices, I get many timeouts.
>  > 
>  > Obiously nfe(4) does not support this polling feature? Or we are looking 
>  > at the wrong side ...
>  > 
> 
> Did you enable polling feature with ifconfig(8)?
> (e.g. ifconfig nfe0 polling)
> You should see POLLING in flags field in ifconfig output.

You are right. I forgot to set the flag, in my case 'ifconfig_nfe0="DHCP 
polling"' in /etc/rc.conf, sorry. Now it works like a charm :-)

Thank you, Rainer