This could have something to do with Energy Efficient Ethernet (802.3az). http://permalink.gmane.org/gmane.linux.network/197197
I also experience a situation on the mainline kernel where no link is detected upon plugging in the cable. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310798 Title: JMicron JMC250 ethernet: networking always disconnected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1310798/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
