Thanks Joseph, with the 4.15-rc7 kernel, the system seems stable after 16 hours. With the 4.4 kernel, the lockups reproduce within 1-2 hours of running the workload.
** Tags added: kernel-fixed-upstream ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742106 Title: NMI watchdog: BUG: soft lockup - CPU#9 stuck for 22s! [linux:23890] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1742106/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs