It appears the commit you mention has landed in upstream stable 4.4.25 as commit:
78c7b55 timekeeping: Fix __ktime_get_fast_ns() regression The upstream stable commits up to version 4.4.30 have landed in Xenial -proposed. Would it be possible for you to test this latest kernel and post back if it resolves this bug? See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you in advance! ** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Xenial) Status: New => Fix Committed ** Changed in: linux (Ubuntu) Status: Confirmed => Fix Committed ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu Xenial) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Joseph Salisbury (jsalisbury) ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => Joseph Salisbury (jsalisbury) ** Tags added: xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1645449 Title: Linux perf regression in 4.4.0-42 and newer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1645449/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
