Well, I've already done that (as I've told above; "lkml"), it was my mail:
http://marc.info/?l=linux-kernel&m=131914553020196&w=2 Btw while I searched the archive to find my mail (to be able to show here), I found some similar issues: http://marc.info/?w=2&r=1&s=barrier-based&q=t -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/882013 Title: barrier-based sync failed - disabling barriers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/882013/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs