It seems to be a problem of misconfigured BIOS. In the first place I had to enable "USB Wake support" in the bios (v.A09) in order to allow the computer to wake up. Before that, it would just not wake up at all and needed a hard reboot to do so. I'm not sure that Linux is at stake at all.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1617599 Title: Resume from suspend causes reboot, except if USB key is plugged in To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1617599/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs