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    SubjectRe: [PATCH 5.4 00/60] 5.4.27-rc1 review
    On Thu, 19 Mar 2020 at 18:52, Greg Kroah-Hartman
    <gregkh@linuxfoundation.org> wrote:
    >
    > This is the start of the stable review cycle for the 5.4.27 release.
    > There are 60 patches in this series, all will be posted as a response
    > to this one. If anyone has any issues with these being applied, please
    > let me know.
    >
    > Responses should be made by Sat, 21 Mar 2020 12:37:04 +0000.
    > Anything received after that time might be too late.
    >
    > The whole patch series can be found in one patch at:
    > https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.27-rc1.gz
    > or in the git tree and branch at:
    > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
    > and the diffstat can be found below.
    >
    > thanks,
    >
    > greg k-h

    Results from Linaro’s test farm.
    This regression is platform specific.

    On arm64 dragonboard 410c-QC410E* the LT hugemmap05 and
    hackbench test cases started failing on this build and easy to reproduce.
    Where as on other arm64 platforms (juno-r2, nxp-ls2088) these test PASS.

    These two test case scenario run on independent execution.

    Steps to reproduce,
    cd /opt/ltp
    ./runltp -s hugemmap05

    cd /opt/ltp/testcases/bin
    ./hackbench 50 process 1000
    ./hackbench 20 thread 1000

    Test output log:
    --------------------
    hugemmap05.c:89: BROK: mmap((nil),402653184,3,1,6,0) failed: ENOMEM (12)
    tst_safe_sysv_ipc.c:99: BROK: hugemmap05.c:85: shmget(218431587,
    402653184, b80) failed: ENOMEM (12)

    Running with 50*40 (== 2000) tasks.
    fork() (error: Resource temporarily unavailable)
    Running with 20*40 (== 800) tasks.
    pthread_create failed: Resource temporarily unavailable (11)


    *
    RAM: 1GB LPDDR3 SDRAM @ 533MHz
    CPU: ARM Cortex-A53 Quad-core up to 1.2 GHz per core

    https://qa-reports.linaro.org/lkft/linux-stable-rc-5.4-oe/tests/ltp-hugetlb-tests/hugemmap05
    https://qa-reports.linaro.org/lkft/linux-stable-rc-5.4-oe/tests/ltp-sched-tests/hackbench01
    https://qa-reports.linaro.org/lkft/linux-stable-rc-5.4-oe/tests/ltp-sched-tests/hackbench02


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

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