I think this is a network manager issue. ** Package changed: unity-control-center (Ubuntu) => network-manager (Ubuntu)
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1452119 Title: ethernet interface broken after upgrade from 14.10 to 15.04 Status in network-manager package in Ubuntu: New Bug description: After upgrading, the ethernet connection doesn't connect. If I run ifconfig with the ethernet unplugged, I get: % ifconfig eth0 eth0 Link encap:Ethernet HWaddr 00:90:f5:c7:69:b7 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:293047 errors:0 dropped:1 overruns:0 frame:0 TX packets:341795 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:75754614 (75.7 MB) TX bytes:77108082 (77.1 MB) Interrupt:38 With the ethernet plugged in, I get: % ifconfig eth0 Link encap:Ethernet HWaddr 00:90:f5:c7:69:b7 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:293286 errors:0 dropped:1 overruns:0 frame:0 TX packets:342195 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:75797513 (75.7 MB) TX bytes:77249665 (77.2 MB) Interrupt:38 The differences in the outputs are that (a) RUNNING, (b) packets received and transmitted after plugging it in, although no ip address is reported. % lspci -nnk | grep -iEA3 "(ethernet|network)" 03:00.0 Ethernet controller [0200]: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller [197b:0250] (rev 05) Subsystem: CLEVO/KAPOK Computer Device [1558:7100] Kernel driver in use: jme 03:00.1 System peripheral [0880]: JMicron Technology Corp. SD/MMC Host Controller [197b:2392] (rev 90) -- 04:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6230 [Rainbow Peak] [8086:0091] (rev 34) Subsystem: Intel Corporation Centrino Advanced-N 6230 AGN [8086:5201] Kernel driver in use: iwlwifi 05:00.0 FireWire (IEEE 1394) [0c00]: JMicron Technology Corp. IEEE 1394 Host Controller [197b:2380] (rev 30) If I run % sudo ifconfig eth0 down % sudo ifconfig eth0 up System Settings/Network/Wired show the interface activate briefly, then go back to the disconnected state. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: unity-control-center 15.04.0+15.04.20150410-0ubuntu1 ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3 Uname: Linux 3.19.0-16-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.17.2-0ubuntu1 Architecture: amd64 CurrentDesktop: Unity Date: Tue May 5 10:38:15 2015 ExecutablePath: /usr/bin/unity-control-center InstallationDate: Installed on 2013-05-02 (733 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) SourcePackage: unity-control-center UpgradeStatus: Upgraded to vivid on 2015-04-26 (8 days ago) usr_lib_unity-control-center: deja-dup 32.0-0ubuntu5 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1452119/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp