Re: How to add a network adaptor?

[Rami Rosen]

Hi David,
Strange, something messed up.

Last thing I can think of:
is there any change if, as a root user, you remove the driver and
modprobe it again:

su
  # prompted to type password
rmmod e1000e
modprobe e100e

ifconfig -a

Regards,
Rami Rosen
http://ramirose.wix.com/ramirosen

On 22 June 2016 at 16:55, David Aldrich  wrote:
> Hi Rami
>
> I see:
>
> $ lsmod | grep e1000e
> e1000e                237568  0
> ptp                    20480  1 e1000e
>
> So I guess the driver is loaded. But ifconfig -a does not list the interface and lspci -v suggests the driver is not loaded. So I don't understand what is going on.
>
> best regards
>
> David
> > -----Original Message-----
> > From: Rami Rosen [mailto:[e-mail]]
> > Sent: 22 June 2016 14:39
> > To: Community support for Fedora users 
> > Subject: Re: How to add a network adaptor?
> >
> > Hi David,
> >
> > It seems (from the output of lspci -v you posted in this thread) that the driver
> > needed is e1000e, because you have:
> > ...
> > ...
> > Capabilities: <access denied>
> >         Kernel modules: e1000e
> >
> > And typically, when a driver is loaded, you get, as part of "lspci -v" output:
> > ...
> > Kernel driver in use:  e1000e
> > ...
> >
> > Now, you find out whether this driver is loaded by running:
> >
> > lsmod | grep e1000e
> >
> > and if it will return empty, then you should load, *as root*, the driver, thus:
> >
> > modprobe e1000e
> >
> > and then check whether the output of
> > ifconfig -a
> > shows the  driver.
> >
> > (and also whether lspci -v shows  now: "Kernel driver in use: e100e")
> >
> > Now, this driver should have been loaded automatically in boot time, in the PCI
> > probe process; not sure why it did not happens. But let's see if what I suggest
> > works, and if it does I can suggest a solution to ensure the driver will be loaded
> > in the boot phase.
> >
> > Regards,
> > Rami Rosen
> > http://ramirose.wix.com/ramirosen
> >
> > On 22 June 2016 at 11:03, David Aldrich 
> > wrote:
> > > Hi Rami
> > > > eno1 was not loaded (though it should have).
> > > > If this is the case, you can load the driver manually.
> > >
> > > How would I do that please?
> > > > And more important: what does ethtool -i eno1 show (when the original
> > > > card is inserted, before  adding the HP card)?
> > >
> > > With the new card removed, so just the onboard adaptor is present, ifconfig -
> >
> > a just finds:
> > > lo
> > > vibr0
> > > vibr0-nic
> > >
> > > and ethtool -i eno1 shows:
> > >
> > > "Cannot get driver information: no such device"
> > >
> > > Best regards
> > >
> > > David
> > > > -----Original Message-----
> > > > From: Rami Rosen [mailto:[e-mail]]
> > > > Sent: 21 June 2016 17:51
> > > > To: Community support for Fedora users
> > > >
> > > > Subject: Re: How to add a network adaptor?
> > > >
> > > > Hi, David,
> > > >
> > > > It seems as if somehow, after inserting the HP card and rebooting,
> > > > the network driver of
> > > > eno1 was not loaded (though it should have).
> > > > If this is the case, you can load the driver manually.
> > > >
> > > > What does ethtool -i enpls0f0 and enpls0f1 show ?
> > > >
> > > > And more important: what does ethtool -i eno1 show (when the original
> > > > card is inserted, before  adding the HP card)?
> > > >
> > > > Regards,
> > > > Rami Rosen
> > > >
> > > > On 21 June 2016 at 19:26, David Aldrich 
> > > > wrote:
> > > > > Thanks for your reply.
> > > > > > Does it show up still in lspci?  If not, then check your BIOS settings.
> > > > >
> > > > > An Intel I217-V Ethernet Controller does show in lspci.
> > > > > > If yes, then check "journalctl -b" to see there's any clue.
> > > > >
> > > > > I can't see anything relevant in the journal but it is like looking
> > > > > for a needle in
> > > >
> > > > a haystack.
> > > > > > -----Original Message-----
> > > > > > From: Samuel Sieb [mailto:[e-mail]]
> > > > > > Sent: 21 June 2016 17:01
> > > > > > To: Community support for Fedora users
> > > > > >
> > > > > > Subject: Re: How to add a network adaptor?
> > > > > >
> > > > > > On 06/21/2016 07:33 AM, David Aldrich wrote:
> > > > > > > I have a machine running Fedora 22. The motherboard provides an
> > > > > > > Ethernet
> > > > > > network adaptor, which I connect to our office network. I want to
> > > > > > add an HP Ethernet 10Gb 2-port 560SFP+ adapter to support a local
> > > > > > subnet, but retain the original motherboard adaptor and connection
> > > > > > to the office
> > > >
> > > > network.
> > > > > > >
> > > > > > > Before adding the 560SFP+ card, ifconfig -a reports:
> > > > > > >
> > > > > > > $ ifconfig -a
> > > > > > > eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
> > > > > > >       inet 172.29.68.172  netmask 255.255.255.0  broadcast
> > > > > > > 172.29.68.255
> > > > > > >
> > > > > > > but after inserting the new card, that command reports new entries:
> > > > > > > enpls0f0
> > > > > > and enpls0f1, but eno1 has gone.
> > > > > > >
> > > > > > > How can I recover eno1?
> > > > > > >
> > > > > > Does it show up still in lspci?  If not, then check your BIOS settings.
> > > > > > If yes, then check "journalctl -b" to see there's any clue.
> > > > > > --
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