I just run an upgrade and hit the same problem. Lots of messages in syslog like:
Jan 30 21:04:14 sony ModemManager[767]: <info> ModemManager (version 1.0.0) sta rting... Jan 30 21:04:16 sony NetworkManager[924]: <info> NetworkManager (version 0.9.8.8 ) is starting... Jan 30 21:04:16 sony NetworkManager[924]: <info> Read config file /etc/NetworkMa nager/NetworkManager.conf Jan 30 21:04:16 sony NetworkManager[924]: <info> WEXT support is enabled Jan 30 21:04:16 sony kernel: [ 42.654682] init: network-manager main process ( 924) killed by SEGV signal Jan 30 21:04:16 sony kernel: [ 42.654699] init: network-manager main process e nded, respawning I restored network using the method suggested by post #7 and using the links from #28. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to libnl3 in Ubuntu. https://bugs.launchpad.net/bugs/1539513 Title: networkmanager segfaults with 3.2.21-1ubuntu1 Status in libnl3 package in Ubuntu: Confirmed Bug description: Description: Ubuntu 14.04.3 LTS Release: 14.04 After upgrading to 3.2.21-1ubuntu1 network-manager 0.9.8.8-0ubuntu7.2 segfaults: [ 21.367977] init: network-manager main process (1000) killed by SEGV signal [ 21.367989] init: network-manager main process ended, respawning [ 21.424932] init: network-manager main process (1060) killed by SEGV signal [ 21.424943] init: network-manager main process ended, respawning [ 21.451519] init: network-manager main process (1066) killed by SEGV signal [...] xxx@yyy:/tmp/bla# gdb /usr/sbin/NetworkManager CoreDump [...] Reading symbols from /usr/sbin/NetworkManager...(no debugging symbols found)...done. [New LWP 3550] [New LWP 3551] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `NetworkManager'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x0000000000469fee in nm_netlink_monitor_attach () To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libnl3/+bug/1539513/+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
