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[Jürg Häfliger <1831207@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1831207

Title:
  preadv203, preadv203_64 in ubuntu_ltp_syscalls failed (potential glibc
  issue)

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux-hwe-edge package in Ubuntu:
  Invalid

Bug description:
  Test failed with:
    preadv203.c:122: BROK: preadv2() failed: EOPNOTSUPP

  The comment in the test says:
   * If test fails with EOPNOTSUPP you have likely hit a glibc bug:
   *
   * https://sourceware.org/bugzilla/show_bug.cgi?id=23579

   startup='Wed May 29 17:08:28 2019'
   tst_device.c:231: INFO: Using test device LTP_DEV='/dev/loop0'
   tst_supported_fs_types.c:72: INFO: Kernel supports ext2
   tst_supported_fs_types.c:56: INFO: mkfs.ext2 does exist
   tst_supported_fs_types.c:72: INFO: Kernel supports ext3
   tst_supported_fs_types.c:56: INFO: mkfs.ext3 does exist
   tst_supported_fs_types.c:72: INFO: Kernel supports ext4
   tst_supported_fs_types.c:56: INFO: mkfs.ext4 does exist
   tst_supported_fs_types.c:72: INFO: Kernel supports xfs
   tst_supported_fs_types.c:56: INFO: mkfs.xfs does exist
   tst_supported_fs_types.c:72: INFO: Kernel supports btrfs
   tst_supported_fs_types.c:56: INFO: mkfs.btrfs does exist
   tst_supported_fs_types.c:72: INFO: Kernel supports vfat
   tst_supported_fs_types.c:56: INFO: mkfs.vfat does exist
   tst_supported_fs_types.c:95: INFO: Filesystem exfat is not supported
   tst_supported_fs_types.c:72: INFO: Kernel supports ntfs
   tst_supported_fs_types.c:56: INFO: mkfs.ntfs does exist
   tst_test.c:1157: INFO: Testing on ext2
   tst_test.c:1096: INFO: Timeout per run is 0h 05m 00s
   preadv203.c:122: BROK: preadv2() failed: EOPNOTSUPP

   Summary:
   passed 0
   failed 0
   skipped 0
   warnings 0
   tag=preadv203 stime=1559149708 dur=3 exit=exited stat=2 core=no cu=4 cs=63

  And the preadv203_64 as well:

   startup='Wed May 29 17:08:33 2019'
   tst_device.c:231: INFO: Using test device LTP_DEV='/dev/loop0'
   tst_supported_fs_types.c:72: INFO: Kernel supports ext2
   tst_supported_fs_types.c:56: INFO: mkfs.ext2 does exist
   tst_supported_fs_types.c:72: INFO: Kernel supports ext3
   tst_supported_fs_types.c:56: INFO: mkfs.ext3 does exist
   tst_supported_fs_types.c:72: INFO: Kernel supports ext4
   tst_supported_fs_types.c:56: INFO: mkfs.ext4 does exist
   tst_supported_fs_types.c:72: INFO: Kernel supports xfs
   tst_supported_fs_types.c:56: INFO: mkfs.xfs does exist
   tst_supported_fs_types.c:72: INFO: Kernel supports btrfs
   tst_supported_fs_types.c:56: INFO: mkfs.btrfs does exist
   tst_supported_fs_types.c:72: INFO: Kernel supports vfat
   tst_supported_fs_types.c:56: INFO: mkfs.vfat does exist
   tst_supported_fs_types.c:95: INFO: Filesystem exfat is not supported
   tst_supported_fs_types.c:72: INFO: Kernel supports ntfs
   tst_supported_fs_types.c:56: INFO: mkfs.ntfs does exist
   tst_test.c:1157: INFO: Testing on ext2
   tst_test.c:1096: INFO: Timeout per run is 0h 05m 00s
   preadv203.c:122: BROK: preadv2() failed: EOPNOTSUPP
   preadv203.c:169: INFO: FDs closed, exiting...: EBADF

   Summary:
   passed 0
   failed 0
   skipped 0
   warnings 0
   tag=preadv203_64 stime=1559149713 dur=3 exit=exited stat=2 core=no cu=2 cs=84

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