Tested with an older kernel 4.4.0-104, it will still OOM on this system. So we can say that this is not a regression.
-- 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/1739341 Title: unshare test in ubuntu_stress_smoke_test cause OOM on Ubuntu on LPAR (Xenial) Status in linux package in Ubuntu: Confirmed Bug description: Output from jenkins: 22:22:50 DEBUG| [stdout] udp RETURNED 0 22:22:50 DEBUG| [stdout] udp PASSED 22:22:50 DEBUG| [stdout] udp-flood STARTING 22:22:55 DEBUG| [stdout] udp-flood RETURNED 0 22:22:55 DEBUG| [stdout] udp-flood PASSED 22:22:55 DEBUG| [stdout] unshare STARTING Connection to s2lp3 closed by remote host. This test will cause OOM on this node. The job will be killed and I will need to reset the system via IBM HMC. Re-tested and it's reproducible (2 out of 2) ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-105-generic 4.4.0-105.128 ProcVersionSignature: Ubuntu 4.4.0-105.128-generic 4.4.98 Uname: Linux 4.4.0-105-generic s390x NonfreeKernelModules: zfs zunicode zcommon znvpair zavl AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access '/dev/snd/': No such file or directory AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.1-0ubuntu2.14 Architecture: s390x ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Date: Tue Dec 19 22:09:03 2017 HibernationDevice: RESUME=UUID=f578fa27-1d57-41c9-bb1d-7ff64c1c9345 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lsusb: Error: command ['lsusb'] failed with exit code 1: PciMultimedia: ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb' ProcKernelCmdLine: root=UUID=f26894a2-496d-4891-aa9a-f66344c77779 crashkernel=196M BOOT_IMAGE=0 RelatedPackageVersions: linux-restricted-modules-4.4.0-105-generic N/A linux-backports-modules-4.4.0-105-generic N/A linux-firmware 1.157.15 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1739341/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp