note that in previously mentioned thread on lenovo forum the workaround used is to enable S3 by patching DSDT tables. for those interested: see https://bbs.archlinux.org/viewtopic.php?id=234913
it seems to me the root cause is not so much S3 state support is missing, but that S0i3 isn't recognized/used by kernel. -- 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/1756105 Title: X1 Carbon 6th gen S0i3 sleep broken Status in linux package in Ubuntu: Confirmed Bug description: Recent kernel claims S0i3 patch, but this mode is not currently engage "out of the box" on latest patch levels of 18.04. Sleep consumes 2-3 watts instead of 0.1. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1756105/+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
