AMD PCnet/PCI Fast Ethernet driver issues in 5.3RC1 / 5.3-STABLE

[Daniel Engberg]

quoting David O'Brien <obrien at freebsd.org>:

> On Sat, Oct 23, 2004 at 12:06:26AM +0200, Daniel Engberg wrote:
> > Hi,
> > Currently I'm running 5.3-RC1 / 5.3-STABLE and it seems like this
> > version have issues with AMD PCnet/PCI Fast Ethernet NICs. The driver
> > (pcn) loads and detects the NIC properly without any errors but the
> > interface is unable to trasmit or receive any data. A workaround (not a
> > very nice one afaik), is to recompile the kernel and leave out the pcn
> > driver. By doing so FreeBSD will use the old lnc driver instead which
> > works. Any ideas what's causing this behaviour?
> > I'm using "FreeBSD BOX.BUNDLE 5.3-STABLE FreeBSD 5.3-STABLE #1: Thu Oct
> > 21 17:55:29 CEST 2004".
>
> What is the dmesg output for this device?  Several of my machines have
> pcn(4) devices:
>
>     pcn0: <AMD PCnet/PCI 10/100BaseTX>
>
> with zero problems.
>
> --
> -- David  (obrien at FreeBSD.org)
> 

Hi, the dmesg output is the following.
pcn0: <AMD PCnet/PCI 10/100BaseTX> port 0xe400-0xe41f mem
0xe2001000-0xe200101f irq 11 at device 10.0 on pci0
miibus0: <MII bus> on pcn0
lxtphy0: <LXT970 10/100 media interface> on miibus0
lxtphy0:  100baseFX, 100baseFX-FDX, 10baseT, 10baseT-FDX, 100baseTX,
100baseTX-FDX, audio
pcn0: Ethernet address: 00:60:b0:eb:c3:c6
pcn0: if_start running deferred for Giant
pcn0: [GIANT-LOCKED]
//Danne