Try and add vga=0 as a kernel boot parameter in grub and see if it resolves your issue.
After resuming try to remote ssh into the machine and retrieve the Xorg and the kernel log. Please attach them to this bug. -- Resuming system doesn't work on Apple PowerBook Titanium IV https://launchpad.net/bugs/66228 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
