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[Jürg Häfliger <1981699@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1989529 ***
    https://bugs.launchpad.net/bugs/1989529

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1981699

Title:
  ubuntu_ltp.mm:thp02 times out on with 5.15 kernels on arm64 64k pages

Status in ubuntu-kernel-tests:
  In Progress
Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Jammy:
  Confirmed

Bug description:
  The thp02 testcase from ubuntu_ltp.mm running on 5.15 kernels times
  out on some arm64 systems with 64k pages flavours.

    INFO: Test start time: Wed Jul 13 17:55:36 UTC 2022
    COMMAND:    /opt/ltp/bin/ltp-pan -q  -e -S   -a 205749     -n 205749  -f /tmp/ltp-gbCWODkS0Q/alltests -l /dev/null  -C /dev/null -T /dev/null
    LOG File: /dev/null
    FAILED COMMAND File: /dev/null
    TCONF COMMAND File: /dev/null
    Running tests.......
    tst_test.c:1524: TINFO: Timeout per run is 0h 00m 30s
    thp02.c:68: TINFO: mremap (0xfffe60000000-0xfffedfff0000) to (0xfffdc0000000-0xfffe3fff0000)
    thp02.c:68: TINFO: mremap (0xfffe60000000-0xfffedfff0000) to (0xfffdc0010000-0xfffe40000000)
    thp02.c:68: TINFO: mremap (0xfffe60010000-0xfffee0000000) to (0xfffdc0000000-0xfffe3fff0000)
    Test timeouted, sending SIGKILL!
    tst_test.c:1569: TINFO: Killed the leftover descendant processes
    tst_test.c:1575: TINFO: If you are running on slow machine, try exporting LTP_TIMEOUT_MUL > 1
    tst_test.c:1577: TBROK: Test killed! (timeout?)

  For now found with the following combinations:

  - jammy/linux generic-64k on starmie-kernel
  - focal/linux-lowlatency-hwe-5.15 lowlatency-64k on starmie-kernel

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