OK I have found a workaround, http://askubuntu.com/questions/452826 /wireless-networking-not-working-after-resume-in-ubuntu-14-04 this appears to have fixed the issue.
** Tags removed: dist-upgrade ** Tags added: dist-up usedgrade workaround -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1405419 Title: LAN Network card fails to reconnect after suspend/resume Status in linux package in Ubuntu: Incomplete Bug description: philip@roscommon:~$ sudo service network-manager restart [sudo] password for philip: no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory network-manager stop/waiting network-manager start/running, process 7096 philip@roscommon:~$ sudo service network-manager restart [sudo] password for philip: no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory network-manager stop/waiting network-manager start/running, process 8942 philip@roscommon:~$ ubuntu-bug philip@roscommon:~$ ubuntu-bug philip@roscommon:~$ (process:9400): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed philip@roscommon:~$ ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.6 ProcVersionSignature: Ubuntu 3.13.0-43.72-generic 3.13.11.11 Uname: Linux 3.13.0-43-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3.6 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: Unity Date: Wed Dec 24 13:14:17 2014 InstallationDate: Installed on 2011-06-26 (1276 days ago) InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader Symptom: release-upgrade UpgradeStatus: Upgraded to trusty on 2014-08-19 (126 days ago) VarLogDistupgradeTermlog: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1405419/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
