[arch-general] Ethernet stopped working after update

[Javier Vasquez]

On Sun, Jun 26, 2011 at 1:05 PM,  <dmbuce at gmail.com> wrote:
> My card:
>
> # lspci | grep -i ethernet
> Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI
> Express Gigabit Ethernet controller (rev 03)
>
> After doing pacman -Syu, ethernet on my desktop stopped working. The card on
> my laptop is the same, at least according to lspci, and is working fine.
>
> When I upgraded, there was a change in syntax in rc.conf for defining the
> network, but I'm just attempting dhcp for now before I try to set up a
> static ip:
>
> interface=eth0
> address=
> netmask=
> gateway=
>
>
> I've tried resetting the router and switching from the kernel's r8169 driver
> to the r8168 driver from the aur. I compiled the aur driver on my laptop and
> transferred to the desktop on usb -- as long as they're both x86_64, this
> shouldn't be a problem, right?
>
> Regardless of my choice of driver, ethernet on the laptop works fine, and
> doesn't work at all on the desktop. If I set up ethernet manually using
> ifconfig to define the address/netmask/broadcast/etc (making sure the routes
> are correct), everything appears to work fine until I try to ping the router
> and get "Destination Host Unreachable".
>
> And the kicker is that the light on the router for the port I have my
> ethernet cable plugged into will light up for the laptop, but not the
> desktop. Given this and the other behavior, I'm inclined to think it's a
> hardware issue, but this hardware is only several months old, and having
> this happen right after an upgrade seems unlikely to be a coincidence.
> Anything else I can try short of reinstalling or getting a replacement from
> the manufacturer?


I'm using netcfg, and haven't found problems so far with all
changes...  The daemon is net-profiles, and you can copy the example
for static wired profile into a valid profile, and setup rc.conf
accordingly.

See:

https://wiki.archlinux.org/index.php/Netcfg


-- 
Javier.