For the record, I tried Joseph's test bisect kernel in bug 1627108, and this does not fix it, so this is not a duplicate of bug 1627108:
4.4.0-9136 (previous yakkety): 2.849s (kernel) + 4.639s (userspace) 4.8.0-19 (current yakkety): 5.145s (kernel) + 11.825s (userspace) 4.7.0-040700rc3 (from Joseph): 3.735s (kernel) + 14.810s (userspace) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1626436 Title: [4.8 regression] boot has become very slow To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1626436/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs