I'm running Ubuntu 14.04. This morning I had no Ethernet connectivity after I resumed the computer (showing as Disconnected). I have the latest updates installed, but I've tried booting into older builds via the GRUB menu but still had the same issue with the disconnected ethernet. I also very recently installed VMWare Player (VM is also Ubuntu) but was able to resume with no problems afterwards.
I had a problem with Network Manager's management of the interfaces before, and so I have blacklisted r8169
in /etc/modprobe.d/blacklist.conf
. After doing that, the Ethernet interface worked flawlessly until now (about 2 months).
In lspci
the device is shown as:
Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8186/8411 PCI Express Gigabit Ethernet Controller (rev 0c).
In ifconfig -a
, eth0
is not shown at all, only lo
, vmnet1
and vmnet8
.
I removed the Ethernet interface that was shown in network manager but it didn't re-populate as I'd hoped (in vain) that it would. The Network manager applet does have networking enabled, but no network connections (probably my own fault).
My /etc/network/interfaces
:
auto lo
iface lo inet loopback
auto eth0
iface lo inet dhcp
sudo lshw -C network:
*-network UNCLAIMED
description: Ethernet controller
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
version: 0c
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list
configuration: latency=0
resources: ioport:d000(size=256) memory:fe800000-fe80fff memory:d0000000-d0003fff
Any tips on where to go from here would be greatly appreciated. :)