** Summary changed:

- Unable to insert test_bpf module for ubuntu_bpf_jit on Xenial s390x
+ Unable to insert test_bpf module for ubuntu_bpf_jit s390x

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https://bugs.launchpad.net/bugs/1768452

Title:
  Unable to insert test_bpf module for ubuntu_bpf_jit s390x

Status in ubuntu-kernel-tests:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Xenial:
  Confirmed
Status in linux source package in Disco:
  Confirmed

Bug description:
  After the test_bpf insert issue for Xenial was fixed in bug 1765698

  But it looks like the s390x needs some extra work.
  $ sudo modprobe test_bpf
  modprobe: ERROR: could not insert 'test_bpf': Invalid argument

  4 tests failed here:
    test_bpf: #243 BPF_MAXINSNS: Ctx heavy transformations FAIL to prog_create 
err=-524 len=4096
    test_bpf: #244 BPF_MAXINSNS: Call heavy transformations FAIL to prog_create 
err=-524 len=4096
    test_bpf: #249 BPF_MAXINSNS: ld_abs+get_processor_id FAIL to prog_create 
err=-524 len=4096
    test_bpf: #250 BPF_MAXINSNS: ld_abs+vlan_push/pop FAIL to select_runtime 
err=-524

  Complete test result:
  https://pastebin.ubuntu.com/p/zMDwVjwF7X/

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-123-generic 4.4.0-123.147
  ProcVersionSignature: Ubuntu 4.4.0-123.147-generic 4.4.128
  Uname: Linux 4.4.0-123-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: 2.20.1-0ubuntu2.16
  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: Wed May  2 03:45:22 2018
  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-4.4.0-123-generic N/A
   linux-backports-modules-4.4.0-123-generic  N/A
   linux-firmware                             1.157.17
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)

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