I recently installed Ubuntu Gnome 16.10 onto my Dell XPS 13 (9350), and while most things are working fine out of the box, hibernating has caused some pain.
Firstly, I wanted my laptop to hibernate after closing the lid. The Power settings don’t include anything like that, but dconf does. Running the dconf Editor, the relevant keys to change are:
Setting both of these to
hibernate gets the lid close actions to where I want them to be.
After opening the lid again, however, it seems that the network interfaces are no longer working. Chrome would throw up a
DNS_PROBE_FINISHED_BAD_CONFIG error when visiting any page, and any other internet activity would similarly fail. The local network is unaffected.
sudo service network-manager restart would temporarily fix the issue, but I don’t want to have to run that after every hibernation.
Some Googling provided a bunch of different possible solutions, most of them being various ways to restart the network service after hibernation. The one that worked for Ubuntu Gnome 16.10 was to create a file (I named it
/lib/systemd/system-sleep/ with the following contents:
and then make it executable with: