** Changed in: linux (Ubuntu)
       Status: Confirmed => Fix Committed

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https://bugs.launchpad.net/bugs/1751234

Title:
  Unable to insert test_bpf module on Bionic s390x

Status in linux package in Ubuntu:
  Fix Committed

Bug description:
  The ubuntu_bpf_jit test failed on s2lp6g002 with Bionic kernel.

  Error message:
  modprobe: ERROR: could not insert 'test_bpf': Invalid argument

  When you try to insert the module with insmod it shows:
  $ sudo insmod /lib/modules/4.15.0-9-generic/kernel/lib/test_bpf.ko
  insmod: ERROR: could not insert module 
/lib/modules/4.15.0-9-generic/kernel/lib/test_bpf.ko: Invalid module format

  $ dpkg -S /lib/modules/4.15.0-9-generic/kernel/lib/test_bpf.ko
  linux-image-4.15.0-9-generic: 
/lib/modules/4.15.0-9-generic/kernel/lib/test_bpf.ko

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-10-generic 4.15.0-10.11
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic s390x
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  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': 'aplay'
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: s390x
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 
'arecord'
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 
not found.
  Date: Fri Feb 23 09:31:55 2018
  HibernationDevice: RESUME=UUID=caaee9b2-6bc1-4c8e-b26c-69038c092091
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
  Lspci:
   
  Lsusb: Error: command ['lsusb'] failed with exit code 1:
  PciMultimedia:
   
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C
   SHELL=/bin/bash
  ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb'
  ProcKernelCmdLine: root=UUID=c7d7bbcb-a039-4ead-abfe-7672dea0add4 
crashkernel=196M
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-10-generic N/A
   linux-backports-modules-4.15.0-10-generic  N/A
   linux-firmware                             1.171
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)

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