Cannot Get Back Ethernet Connection

[Tyler Aviss]

That's the one. I find that if it's wrong, you end up with an invalid
eth0 device that isn't using your driver, and then an eth1 device that
doesn't work, etc
You might also want to look for the following in /etc/modprobe.conf or
/etc/modprobe.d/0
    alias eth0 SOMETHING (a driver other than forcedeth)

More stuff
  when you do "lsmod | grep forcedeth" do you see a number of 1 or
greater under "Used by"

When booting an older kernel, does it work (bad forcedeth module?)
Does "ethtool eth0" display a valid link/duplex speed (and an active link)



On Fri, Jan 27, 2012 at 8:49 AM,  <john.moniz-rieW9WUcm8FFJ04o6PK0Fg at public.gmane.org> wrote:
> Do you mean to delete the file /etc/udev/rules.d/70-persistent-net.rules? I
> don't see persistent-net-interfaces.
>
> ________________________________
> Date: Fri, 27 Jan 2012 07:16:16 -0800
> Subject: Re: [TLUG]: Cannot Get Back Ethernet Connection
> From: tjaviss-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
> To: tlug-lxSQFCZeNF4 at public.gmane.org
>
>
> try killing persistent-net-interfaces too in case it's wrong somehow
> (/etc/udev/rules.d)
> On Jan 27, 2012 7:14 AM, "ted leslie" <ted.leslie-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:
>
> Compare lspci -xx on the two linux os.
> -tl
> On Jan 27, 2012 10:08 AM, <john.moniz-rieW9WUcm8FFJ04o6PK0Fg at public.gmane.org> wrote:
>
> Hello everyone;
>
> After many years of trouble free ethernet connections, I have now lost it
> (in more ways than one) and cannot get an IP address on my Ubuntu set up.
> The condensed version of this story is that it won't connect, regardless of
> whether I try DHCP or static IP address. Ubuntu just won't give me an IP
> address.
>
> On this same box, I also have Vista and Fedora. I am able to connect with
> either, both with DHCP and static address configurations.
>
> Here's a comparison of "dmesg | grep eth" for both Fedora and Ubuntu.
>
> Fedora:
> <snip>
> forcedeth 0000:00:07.0: irq 25 for MSI/MSI-X
> eth0: no IPv6 routers present
>
> Ubuntu:
> <snip>
> [  480.187616] forcedeth 0000:00:07.0: irq 25 for MSI/MSI-X
> [  490.348024] eth0: no[  480.187616] forcedeth 0000:00:07.0: irq 25 for
> MSI/MSI-X
> [  490.348024] eth0: no IPv6 routers present
> [  611.855532] forcedeth 0000:00:07.0: irq 25 for MSI/MSI-X
> [  622.492015] eth0: no IPv6 routers present
>
> I don't like what I see from Ubuntu and I have a feeling that it's not good.
> However, feelings don't fix things and I don't know where to go to fix it.
> I've been at this for days...
>
> Any help would be appreciated. And I can expand the story if necessary, just
> thought I'd zero in on the above first.
>
> Thanks,
>
> John.



-- 
Tyler Aviss
Systems Support
LPIC/LPIC-2/DCTS/CLA

"Computers don't make mistakes. They can, however, execute those
provided to them very quickly"
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