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[Jürg Häfliger <1813134@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1813134

Title:
  cp_abort in powerpc/context_switch from ubunut_kernel_selftests failed
  on Bionic P9

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Bionic:
  Fix Released

Bug description:
  == Justification ==
  The cp_abort test in context_switch was designed for Power9, however
  this test is broken and it fails everytime as Paste on Power9 only
  works on accelerators and no longer on real memory.

  == Fix ==
  00c946a0 (selftests/powerpc: Remove redundant cp_abort test)

  This will remove the cp_abort test.
  Patch has already been applied in C and onward.

  == Test ==
  Patch verified on a Bionic P9 system, the test will no longer exist.

  == Regression Potential ==
  None.
  This patchset is just for the kernel testing tool.


  == Original Bug Report ==
  This issue can only be reproduced on Power9 with Bionic kernel.

  $ sudo ./cp_abort
  test: cp_abort
  tags: git_version:c186097-dirty
  !! killing cp_abort
  !! child died by signal 15
  failure: cp_abort

  It will get skipped on P8

  Also to note that this test was completely removed in Cosmic with
  commit 00c946a06e

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-44-generic 4.15.0-44.47
  ProcVersionSignature: Ubuntu 4.15.0-44.47-generic 4.15.18
  Uname: Linux 4.15.0-44-generic ppc64le
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Jan 24 07:22 seq
   crw-rw---- 1 root audio 116, 33 Jan 24 07:22 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: ppc64el
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  Date: Thu Jan 24 09:06:32 2019
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 0451:80ff Texas Instruments, Inc.
   Bus 001 Device 004: ID 0557:2419 ATEN International Co., Ltd
   Bus 001 Device 002: ID 0557:7000 ATEN International Co., Ltd Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  PciMultimedia:

  ProcFB: 0 astdrmfb
  ProcKernelCmdLine: root=UUID=acd1a0d7-f6fc-4130-928c-c8b11ad6e4be ro console=hvc0
  ProcLoadAvg: 0.07 0.03 0.42 1/1360 33961
  ProcLocks:
   1: FLOCK  ADVISORY  WRITE 3482 00:17:520 0 EOF
   2: POSIX  ADVISORY  WRITE 3746 00:17:580 0 EOF
   3: POSIX  ADVISORY  WRITE 1800 00:17:368 0 EOF
   4: FLOCK  ADVISORY  WRITE 3744 00:17:568 0 EOF
   5: POSIX  ADVISORY  WRITE 3831 00:17:588 0 EOF
  ProcSwaps:
   Filename				Type		Size	Used	Priority
   /swap.img                               file		8388544	0	-2
  ProcVersion: Linux version 4.15.0-44-generic (buildd@bos02-ppc64el-004) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #47-Ubuntu SMP Mon Jan 14 11:26:40 UTC 2019
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-44-generic N/A
   linux-backports-modules-4.15.0-44-generic  N/A
   linux-firmware                             1.173.3
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  VarLogDump_list: total 0
  cpu_cores: Number of cores present = 40
  cpu_coreson: Number of cores online = 40
  cpu_dscr: DSCR is 5
  cpu_freq:
   min:	2.862 GHz (cpu 159)
   max:	2.863 GHz (cpu 1)
   avg:	2.862 GHz
  cpu_runmode:
   Could not retrieve current diagnostics mode,
   No kernel interface to firmware
  cpu_smt: SMT=4

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