The vblank_mode in my opinion remains a better work around as it still allows hardware acceleration while suppressing the error. The alternative 'Option "DRI" "false"', at least in my case disables hardware acceleration.
** Attachment added: "~/.drirc workaround" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/765813/+attachment/2110495/+files/.drirc -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/765813 Title: [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple times every frame with intel graphics -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
