@sams-james - what CPU does your Thinkpad X1 Carbon have? (Is it i5-6300U? There's a lot of different generations of them with different CPU's)
The problem is that only a few machines seem to be affected. From my own tiny sample size of 4 laptops that I've tried and tested, only 1 of them had this suspend issue on 18.04. When I first encountered suspend causing the system to completely seize up, I thought it'd be all over the forums with people complaining, but for a large proportion of people it's working fine. For some folks, suspend doesn't work thanks to a nVidia driver problem and there's a 'modeset' fix for that. There was also an s2idle problem for a few people, which there's also a fix for. I found Matalak's solution on the forum which worked for my machine and opened a bug report to try to bring attention to the small number of machines that seem to be affected in this way. Although it's not an accurate number of how many people are affected, it looks like it affects 13 people so far :) I suspect if more people were experiencing this issue then there'd have been an update to fix it or a mention in the release notes. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1774950 Title: Suspend fails in Ubuntu and Kubuntu 18.04 but works fine in Ubuntu and Kubuntu 17.10 (and on Kubuntu 18.04 using kernel 4.14.47) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1774950/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs