Thanks for all the testing. It appears the bug was introduced in v4.8-rc8. I'll start a kernel bisect betweeon -rc7 adn -rc7 and post a test kernel shortly.
In the mean time, can you test the latest mainline kernel to see if the bug is already fixed there? It can be downloaded from: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10-rc5 ** Changed in: linux (Ubuntu Yakkety) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Zesty) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Yakkety) Assignee: (unassigned) => Joseph Salisbury (jsalisbury) ** Changed in: linux (Ubuntu Zesty) Assignee: (unassigned) => Joseph Salisbury (jsalisbury) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1659340 Title: Linux kernel 4.8 hangs at boot up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1659340/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs