After some preliminary testing with kernel 4.0, it seems that the bug is fixed. I'll do more testing tomorrow. However, I've been getting the following error message at startup when using kernel 4.0.
Error parsing PCC subspaces from PCCT. Starting version 219 thinkpad_acpi: unsupported brightness interfaces, please contact ibm-acpi-de...@lists.sourceforge.net It doesn't affect anything of the system so far. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Tags added: kernel-fixed-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1449357 Title: Thinkpad T450s unable to resume after suspended for a long time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1449357/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs