I can confirm this on HP nw8240 with ATI FireGL V5000. When usplash is used doring the boot, I do not get back into X display, but only get horizontal white stripes (as already described in bug 58455). If I remove "splash" from GRUB options, resume after hibernate works.
-- Hibernate doesn't resume when using splash https://launchpad.net/bugs/58329 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs