I see this same problem with a newly upgraded Ibex, but with both the wired and wireless connections. Even attempting to run wpa_supplicant by hand on the command line won't work. I have to reboot the machine to get the networking back.
00:00.0 Host bridge: nVidia Corporation nForce2 IGP2 (rev c1) 00:00.1 RAM memory: nVidia Corporation nForce2 Memory Controller 1 (rev c1) 00:00.2 RAM memory: nVidia Corporation nForce2 Memory Controller 4 (rev c1) 00:00.3 RAM memory: nVidia Corporation nForce2 Memory Controller 3 (rev c1) 00:00.4 RAM memory: nVidia Corporation nForce2 Memory Controller 2 (rev c1) 00:00.5 RAM memory: nVidia Corporation nForce2 Memory Controller 5 (rev c1) 00:01.0 ISA bridge: nVidia Corporation nForce2 ISA Bridge (rev a4) 00:01.1 SMBus: nVidia Corporation nForce2 SMBus (MCP) (rev a2) 00:02.0 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) 00:02.1 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) 00:02.2 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) 00:04.0 Ethernet controller: nVidia Corporation nForce2 Ethernet Controller (rev a1) 00:06.0 Multimedia audio controller: nVidia Corporation nForce2 AC97 Audio Controler (MCP) (rev a1) 00:08.0 PCI bridge: nVidia Corporation nForce2 External PCI Bridge (rev a3) 00:09.0 IDE interface: nVidia Corporation nForce2 IDE (rev a2) 00:1e.0 PCI bridge: nVidia Corporation nForce2 AGP (rev c1) 01:04.0 Ethernet controller: Atheros Communications Inc. AR2413 802.11bg NIC (rev 01) 02:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV250 If [Radeon 9000] (rev 01) 02:00.1 Display controller: ATI Technologies Inc Radeon RV250 [Radeon 9000] (Secondary) (rev 01) -- wired network disabled in NetworkManager after resuming from suspend https://bugs.launchpad.net/bugs/279986 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs