I have the same issue on an X220 with the "linux-image-3.8.0-17-generic" kernel package. It looks like that the device does not wake up after resume, but it is possible to manually switch on the network card with:
echo on > /sys/class/net/eth0/device/power/control -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1131091 Title: LAN cannot be connected after wakeup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1131091/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
