I have installed Windows to re-check this issue. Unfortunatelly, adapter works automatically only on 100 Mbps. Forced setting up to 1Gbps didn't help - link is down. Seems like it is a hardware problem.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1497005 Title: 197b:0250 JMicron JMC250 Gigabit ethernet doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1497005/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs