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[Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx>]

** Also affects: ubuntu-kernel-tests
   Importance: Undecided
       Status: New

** Changed in: ubuntu-kernel-tests
     Assignee: (unassigned) => Kleber Sacilotto de Souza (kleber-souza)

** Changed in: ubuntu-kernel-tests
   Importance: Undecided => Medium

** Changed in: ubuntu-kernel-tests
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1768430

Title:
  aio-dio-subblock-eof-read test in aio_dio_bugs failed on s390x

Status in ubuntu-kernel-tests:
  In Progress
Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Xenial:
  Triaged
Status in linux source package in Artful:
  New
Status in linux source package in Bionic:
  New

Bug description:
  It can be reproduced on zVM, zKVM and Ubuntu on LPAR

  This should not be considered as a regression, the test suite stopped
  on the first test in this test suite before.

  Steps:
  1. git clone --depth=1 https://github.com/autotest/autotest-client-tests.git
  2. make -C autotest-client-tests/aio_dio_bugs/src
  3. sudo ./autotest-client-tests/aio_dio_bugs/src/aio-dio-subblock-eof-read eoftest

   Running 'apt-get install --yes --force-yes build-essential gcc'
   Reading package lists...
   Building dependency tree...
   Reading state information...
   build-essential is already the newest version (12.1ubuntu2).
   gcc is already the newest version (4:5.3.1-1ubuntu1).
   The following packages were automatically installed and are no longer required:
   linux-headers-4.4.0-121 linux-headers-4.4.0-121-generic
   linux-image-4.4.0-121-generic linux-image-extra-4.4.0-121-generic
   Use 'sudo apt autoremove' to remove them.
   0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
   Running 'which gcc'
   /usr/bin/gcc
   Dependency libaio successfully built
   Running 'LD_LIBRARY_PATH=/home/ubuntu/autotest/client/deps/libaio/lib/ /home/ubuntu/autotest/client/tmp/aio_dio_bugs/src/aio-dio-subblock-eof-read eoftest'
   buffered read returned -1, should be 300
   Exception escaping from test:
  Traceback (most recent call last):
  File "/home/ubuntu/autotest/client/shared/test.py", line 411, in _exec
  _call_test_function(self.execute, *p_args, **p_dargs)
  File "/home/ubuntu/autotest/client/shared/test.py", line 823, in _call_test_function
  return func(*args, **dargs)
  File "/home/ubuntu/autotest/client/shared/test.py", line 291, in execute
  postprocess_profiled_run, args, dargs)
  File "/home/ubuntu/autotest/client/shared/test.py", line 212, in _call_run_once
  self.run_once(*args, **dargs)
  File "/home/ubuntu/autotest/client/tests/aio_dio_bugs/aio_dio_bugs.py", line 42, in run_once
  utils.system(var_ld_path + ' ' + cmd)
  File "/home/ubuntu/autotest/client/shared/utils.py", line 1232, in system
  verbose=verbose).exit_status
  File "/home/ubuntu/autotest/client/shared/utils.py", line 918, in run
  "Command returned non-zero exit status")
  CmdError: Command failed, rc=1, Command returned non-zero exit status
  * Command:
  LD_LIBRARY_PATH=/home/ubuntu/autotest/client/deps/libaio/lib/
  /home/ubuntu/autotest/client/tmp/aio_dio_bugs/src/aio-dio-subblock-eof-
  read eoftest
  Exit status: 1
  Duration: 0.00215792655945

  stdout:
  buffered read returned -1, should be 300

  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.
  CurrentDmesg:

  Date: Wed May  2 02:21:12 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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