linux-kernel - selftests: mincore: mincore_selftest fails only on qemu-armv7

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Message-ID: <CA+G9fYuoB8Ug8PcTU-YGmemL7_eeEksXFihvxWF6OikD7sK7pA@mail.gmail.com>
Date:   Mon, 15 May 2023 15:29:02 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     open list <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>, lkft-triage@...ts.linaro.org
Cc:     Ricardo Cañuelo <ricardo.canuelo@...labora.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Ard Biesheuvel <ardb@...nel.org>,
        Shuah Khan <shuah@...nel.org>,
        Dan Carpenter <dan.carpenter@...aro.org>,
        Anders Roxell <anders.roxell@...aro.org>
Subject: selftests: mincore: mincore_selftest fails only on qemu-armv7

The selftests: mincore: mincore_selftest fails only on qemu-armv7 running
Linux next, mainline and stable branches.

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

# selftests: mincore: mincore_selftest
# TAP version 13
# 1..5
# # Starting 5 tests from 1 test cases.
# #  RUN           global.basic_interface ...
# #            OK  global.basic_interface
# ok 1 global.basic_interface
# #  RUN           global.check_anonymous_locked_pages ...
# #            OK  global.check_anonymous_locked_pages
# ok 2 global.check_anonymous_locked_pages
# #  RUN           global.check_huge_pages ...
# # mincore_selftest.c:156:check_huge_pages:mmap error: Invalid argument
# # mincore_selftest.c:159:check_huge_pages:Expected 0 (0) == retval (-1)
# # check_huge_pages: Test terminated by assertion
# #          FAIL  global.check_huge_pages
# not ok 3 global.check_huge_pages
# #  RUN           global.check_file_mmap ...
# #            OK  global.check_file_mmap
# ok 4 global.check_file_mmap
# #  RUN           global.check_tmpfs_mmap ...
# #            OK  global.check_tmpfs_mmap
# ok 5 global.check_tmpfs_mmap
# # FAILED: 4 / 5 tests passed.
# # Totals: pass:4 fail:1 xfail:0 xpass:0 skip:0 error:0

logs:
https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2PnaQ12zfS0p4KS5pP37ZIHJR0U

History:
https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.4-rc2/testrun/16947285/suite/kselftest-mincore/test/mincore_mincore_selftest/history/


Steps to reproduce:
----------------
# To install tuxrun on your system globally:
# sudo pip3 install -U tuxrun==0.42.0
#
# See https://tuxrun.org/ for complete documentation.

tuxrun   \
 --runtime podman   \
 --device qemu-armv7   \
 --boot-args rw   \
 --kernel https://storage.tuxsuite.com/public/linaro/lkft/builds/2PnaP3qqppMDr51qUdKv971IZrE/zImage
  \
 --modules https://storage.tuxsuite.com/public/linaro/lkft/builds/2PnaP3qqppMDr51qUdKv971IZrE/modules.tar.xz
  \
 --rootfs https://storage.tuxboot.com/debian/bookworm/armhf/rootfs.ext4.xz   \
 --parameters SKIPFILE=skipfile-lkft.yaml   \
 --parameters KSELFTEST=https://storage.tuxsuite.com/public/linaro/lkft/builds/2PnaP3qqppMDr51qUdKv971IZrE/kselftest.tar.xz
  \
 --image docker.io/lavasoftware/lava-dispatcher:2023.01.0020.gc1598238f   \
 --tests kselftest-mincore   \
 --timeouts boot=30


--
Linaro LKFT
https://lkft.linaro.org