Verified with 201202-10511 which has the same Ethernet controller, AR8162[1969:1090] (rev 08), but it doesn't have such issue.
** Attachment added: "lspci" https://bugs.launchpad.net/hwe-next/+bug/1358689/+attachment/4181436/+files/lspci -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1358689 Title: [Dell Inspiron 5420] Ethernet connection with Atheros AR8162 [1969:1090] is not stable on 12.04.5 To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1358689/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs