Except that since I moved away from swapfile to a swap partition (atop LUKS), I haven't had the issue. I haven't checked so I can't say what the CPU load was, or whether there was activity with khugepaged as per bug #1674838.
Also had the NMI watchdog soft lockup after the swapops.h BUG assertion. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1690796 Title: Swap pagefault is hanging paged processes with kernel BUG assert in include/linux/swapops.h To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1690796/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
