I assume this new version is 5.4.0-12.15, right? Can you paste the new dmesg somewhere? Anything interesting in the log after a suspend/resume cycle or after you do the close/open lid maneuver?
On top of that, can you try this kernel https://people.canonical.com/~ppisati/lp1860621: linux-image-unsigned-5.4.0-12-generic_5.4.0-12.15~lp1860621_amd64.deb linux-modules-5.4.0-12-generic_5.4.0-12.15~lp1860621_amd64.deb linux-modules-extra-5.4.0-12-generic_5.4.0-12.15~lp1860621_amd64.deb -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1860787 Title: Suspend not working on Lenovo Carbon X1 after upgrade to 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1860787/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
