OK, looks like this has been picked up in the stable updates process and is committed to Xenial:
https://git.launchpad.net/~ubuntu- kernel/ubuntu/+source/linux/+git/xenial/commit/?h=master- next&id=a826ba085c671d880ac2b3971b5090e973761846 ** Changed in: linux (Ubuntu) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1637619 Title: ext4dist strange timings on ubuntu 16.04 Status in Linux: Unknown Status in linux package in Ubuntu: Fix Committed Bug description: Reference: https://github.com/iovisor/bcc/issues/790 "The bug is: timekeeping: Avoid taking lock in NMI path with CONFIG_DEBUG_TIMEKEEPING The fix is: timekeeping: Fix __ktime_get_fast_ns() regression Looks like that kernel version has the bug but not the fix. http://changelogs.ubuntu.com/changelogs/pool/main/l/linux/linux_4.4.0-45.66/changelog"; Apparently this is fixed by commit: commit 58bfea9532552d422bde7afa207e1a0f08dffa7d Author: John Stultz [email protected] Date: Tue Oct 4 19:55:48 2016 -0700 timekeeping: Fix __ktime_get_fast_ns() regression To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1637619/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
