With a lot of CPUs the kugepaged seems to get swamped: [ 1407.710482] INFO: task systemd:1 blocked for more than 120 seconds. [ 1407.710490] Not tainted 4.4.0-21-generic #37-Ubuntu [ 1407.710491] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1407.710544] INFO: task khugepaged:20 blocked for more than 120 seconds. [ 1407.710546] Not tainted 4.4.0-21-generic #37-Ubuntu [ 1407.710546] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1407.710602] INFO: task kworker/1:0:28389 blocked for more than 120 seconds. [ 1407.710603] Not tainted 4.4.0-21-generic #37-Ubuntu [ 1407.710603] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1407.710648] INFO: task stress-ng-resou:29570 blocked for more than 120 seconds. [ 1407.710649] Not tainted 4.4.0-21-generic #37-Ubuntu [ 1407.710649] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1407.710684] INFO: task stress-ng-resou:30559 blocked for more than 120 seconds.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1739341 Title: unshare test in ubuntu_stress_smoke_test cause OOM on Ubuntu on LPAR (Xenial) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1739341/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
