I think I've found the cause: this apparently happens when there is an existing file /.suspend on the system. I removed this file, and I'm back to the old behavior (suspend working modulo the USB bug).
-- suspend to ram stopped working on Thinkpad T61 https://bugs.launchpad.net/bugs/253225 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs