NVE

[Maxime Henrion]

K?vesd?n G?bor wrote:
> Maxime Henrion wrote:
> 
> >K??vesd??n G??bor wrote:
> > 
> >
> >>yerenkow at uct.ua wrote:
> >>
> >>   
> >>
> >>>Hello list users.
> >>>
> >>>I have bougth motherboard Epox 8kda3J, which has NV ethernet adapter 
> >>>MCP7.
> >>>My system was FreeBSD 5.4 and i found NV MCP Driver for FreeBSD here:
> >>>http://www.onthenet.com.au/~q/nvnet/
> >>>Ok, I got it, install and kldloaded; then ifconfig tells me that my
> >>>ethernet card see cable, but I started to receive these messages:
> >>>device nv0 timeout(5), with ascending numbers;
> >>>
> >>>Ok, I get Freebsd 6.0-BETA1, where driver pre-built in kernel.
> >>>The different were only interface name, whic is nve0, but also shows
> >>>timeouts.
> >>>
> >>>This was tested with cross cable between two pcs, and with normal cable
> >>>pc-switch.
> >>>I tried to turn on debugging nve driver, but then system just hangs.
> >>>
> >>>Can anyone comment?
> >>>
> >>>
> >>>
> >>>     
> >>>
> >>Hi,
> >>
> >>I have the same network interface on Asus A8N-SLI Deluxe. That nve 
> >>driver in the FreeBSD6.0-BETA1
> >>is very poor. Sometimes it causes a kernel panic, sometimes it hangs 
> >>with device timeouts. I've sent a PR
> >>about that kernel panic with trace included but nobody has taken care of 
> >>that yet.
> >>   
> >>
> >
> >
> >I have committed a fix to the nve(4) driver very recently in HEAD.  I
> >don't think it could fix the device timeout issues, however, it might
> >help with the panics you were getting.  If you could give this fix a
> >try, I'd be grateful.
> >
> >Cheers,
> >Maxime
> > 
> Ok, I'll. If it seems okay, is it possible to commit it to RELENG_6?

That's the plan.  I'm actually waiting for feedback to know whether this
helps make things better or not.  I'll ask re@ for permission to MFC it
once I know it's good (I have no nve(4) hardware myself).

Cheers,
Maxime