Here is dmesg _after_ a resume while the display is still behaving poorly
** Attachment added: "newdmesg.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/790015/+attachment/2147219/+files/newdmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/790015 Title: subtle graphics corruption after resume on sandybridge laptop -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs