I have the same problem, too. Windows 7 cannot return from hibernation if I try to boot it from grub. However, if I boot it from refind, the error doesn't show up. What's interesting is that both refind and grub points to the same bootmgr.efi file in the ESP partition. I generate grub.cfg with update-grub, so the entry is similar to what others have provided here.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1229886 Title: Grub2 cannot bring Win 7 out of hibernation - error 0xc000009a To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1229886/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
