The attached patch from the mainline kernel GIT fixes this problem on my machine.
GIT ID: 55b2355eefc2f160246226d4d69fed431173a4d5 -- Resume from ACPI S3 regression in 2.6.17 edgy Development kernel. https://launchpad.net/bugs/56800 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
