With BIOS version A09 and 3.5.0-44 on 201206-11418, system will wake itself up after it's suspended, the power LED will blink for 1 or 2 second then it will be resumed automatically. Although there is no display afterward, but the system still accessible via SSH.
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date A09 05/17/2013 ** Attachment added: "dmesg-3.5.0-44.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1204339/+attachment/3937729/+files/dmesg-3.5.0-44.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1204339 Title: AMD Radeon HD 7640G[1002:9903] Unable to resume from suspend with radeon driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1204339/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs