[Lts-dev] 4.4.98-rc1/528c687b: regressions detected in project lkft/linux-stable-rc-4.4-oe

Naresh Kamboju naresh.kamboju at linaro.org
Wed Nov 15 19:14:17 UTC 2017


Hi Tom,

On 15 November 2017 at 23:10, Tom Gall <tom.gall at linaro.org> wrote:
> Hi Naresh,
>
> On Nov 15, 2017, at 5:48 AM, Naresh Kamboju <naresh.kamboju at linaro.org>
> wrote:
>
> On 15 November 2017 at 02:20, Linaro QA <qa-reports at linaro.org> wrote:
>
> Summary
> ------------------------------------------------------------------------
>
> kernel: 4.4.98-rc1
> git repo:
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
> git branch: linux-4.4.y
> git commit: 528c687b455dced176c5e4be9275fb5a2ccdd60a
> git describe: v4.4.97-57-g528c687b455d
> Test details:
> https://qa-reports.linaro.org/lkft/linux-stable-rc-4.4-oe/build/v4.4.97-57-g528c687b455d
>
> Regressions (compared to build v4.4.96)
> ------------------------------------------------------------------------
>
> dell-poweredge-r200 - x86_64:
>  ltp-syscalls-tests:
>    * readahead02
>
>
> Please ignore this LTP readahead02 failure.
> Re-tested and it got pass.
>
> - cd /opt/ltp/testcases/bin/
> - export TMPDIR=/home
> - ./readahead02
>
> readahead02    0  TINFO  :  creating test file of size: 67108864
> readahead02    0  TINFO  :  read_testfile(0)
> readahead02    0  TINFO  :  read_testfile(1)
> readahead02    0  TINFO  :  readahead calls made: 16384
> readahead02    1  TPASS  :  offset is still at 0 as expected
> readahead02    0  TINFO  :  read_testfile(0) took: 973355 usec
> readahead02    0  TINFO  :  read_testfile(1) took: 281199 usec
> readahead02    0  TINFO  :  read_testfile(0) read: 67108864 bytes
> readahead02    0  TINFO  :  read_testfile(1) read: 0 bytes
> readahead02    2  TPASS  :  readahead saved some I/O
> readahead02    0  TINFO  :  cache can hold at least: 364856 kB
> readahead02    0  TINFO  :  read_testfile(0) used cache: 65252 kB
> readahead02    0  TINFO  :  read_testfile(1) used cache: 65368 kB
> readahead02    3  TPASS  :  using cache as expected
>
>
> Just because it passed once, or failed once doesn’t imply that there isn’t
> an issue. It just starts to suggest something is potentially intermittent.
> 2 runs isn’t much of a data point.

I agree that this "readahead02" test case is intermittent failure we
have seen three months ago (Aug. 17, 2017).
Please refer this link,
https://qa-reports.linaro.org/lkft/linux-stable-4.4-oe/tests/ltp-syscalls-tests/readahead02

- Naresh

>
>
> - Naresh
>
>    * test src: git://github.com/linux-test-project/ltp.git
>
> x15 - arm:
>  kselftest:
>    * rtctest
>
>    * test src:
> https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.13.tar.xz
>
>
> Boards, architectures and test suites:
> -------------------------------------
>
> juno-r2 - arm64
> * boot - pass: 20
> * kselftest - skip: 8, fail: 13, pass: 31
> * libhugetlbfs - skip: 1, pass: 90
> * ltp-cap_bounds-tests - pass: 2
> * ltp-containers-tests - skip: 36, fail: 13, pass: 27
> * ltp-fcntl-locktests-tests - pass: 2
> * ltp-filecaps-tests - pass: 2
> * ltp-fs-tests - pass: 60
> * ltp-fs_bind-tests - pass: 2
> * ltp-fs_perms_simple-tests - pass: 19
> * ltp-fsx-tests - pass: 2
> * ltp-hugetlb-tests - pass: 22
> * ltp-io-tests - pass: 3
> * ltp-ipc-tests - pass: 9
> * ltp-math-tests - pass: 11
> * ltp-nptl-tests - pass: 2
> * ltp-pty-tests - pass: 4
> * ltp-sched-tests - pass: 10
> * ltp-securebits-tests - pass: 4
> * ltp-syscalls-tests - skip: 159, fail: 3, pass: 937
> * ltp-timers-tests - pass: 12
>
> x15 - arm
> * boot - pass: 20
> * kselftest - skip: 12, fail: 12, pass: 29
> * libhugetlbfs - skip: 1, pass: 87
> * ltp-cap_bounds-tests - pass: 2
> * ltp-containers-tests - pass: 64
> * ltp-fcntl-locktests-tests - pass: 2
> * ltp-filecaps-tests - pass: 2
> * ltp-fs-tests - pass: 60
> * ltp-fs_bind-tests - pass: 2
> * ltp-fs_perms_simple-tests - pass: 19
> * ltp-fsx-tests - pass: 2
> * ltp-hugetlb-tests - skip: 2, pass: 20
> * ltp-io-tests - pass: 3
> * ltp-ipc-tests - pass: 9
> * ltp-math-tests - pass: 11
> * ltp-nptl-tests - pass: 2
> * ltp-pty-tests - pass: 4
> * ltp-sched-tests - skip: 1, pass: 13
> * ltp-securebits-tests - pass: 4
> * ltp-syscalls-tests - skip: 67, fail: 3, pass: 1036
> * ltp-timers-tests - pass: 12
>
> dell-poweredge-r200 - x86_64
> * boot - pass: 20
> * kselftest - skip: 10, fail: 15, pass: 42
> * libhugetlbfs - skip: 1, pass: 76
> * ltp-cap_bounds-tests - pass: 2
> * ltp-containers-tests - pass: 64
> * ltp-fcntl-locktests-tests - pass: 2
> * ltp-filecaps-tests - pass: 2
> * ltp-fs-tests - skip: 1, pass: 61
> * ltp-fs_bind-tests - pass: 2
> * ltp-fs_perms_simple-tests - pass: 19
> * ltp-fsx-tests - pass: 2
> * ltp-hugetlb-tests - pass: 22
> * ltp-io-tests - pass: 3
> * ltp-ipc-tests - pass: 9
> * ltp-math-tests - pass: 11
> * ltp-nptl-tests - pass: 2
> * ltp-pty-tests - pass: 4
> * ltp-sched-tests - skip: 1, pass: 9
> * ltp-securebits-tests - pass: 4
> * ltp-syscalls-tests - skip: 164, fail: 4, pass: 957
> * ltp-timers-tests - pass: 12
>
>
>
> Documentation - https://collaborate.linaro.org/display/LKFT/Email+Reports
>
> --
> Linaro QA (beta)
> https://qa-reports.linaro.org
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