linux-kernel - Re: [lkp-robot] [android/ion] 5fb70554d6: kernel_selftests.android.make

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Date:   Mon, 30 Oct 2017 12:42:36 +0530
From:   Pintu Kumar <pintu.ping@...il.com>
To:     kernel test robot <xiaolong.ye@...el.com>
Cc:     linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        Laura Abbott <labbott@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        shuah@...nel.org, dvhart@...radead.org,
        Bamvor Zhang Jian <bamvor.zhangjian@...aro.org>,
        Pintu Kumar <pintu_agarwal@...oo.com>, lkp@...org
Subject: Re: [lkp-robot] [android/ion] 5fb70554d6: kernel_selftests.android.make_fail

On Sun, Oct 29, 2017 at 7:51 PM, kernel test robot
<xiaolong.ye@...el.com> wrote:
>
> FYI, we noticed the following commit (built with gcc-6):
>
> commit: 5fb70554d68e2ea032b6a28b082801d8b7b76cb8 ("android/ion: userspace test utility for ion buffer sharing")
> url: https://github.com/0day-ci/linux/commits/Pintu-Agarwal/android-ion-userspace-test-utility-for-ion-buffer-sharing/20171025-022548
>
>
> in testcase: kernel_selftests
> with following parameters:
>
>
> test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
> test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
>
>
> on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 64G memory
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
>
>
>
> KERNEL SELFTESTS: linux_headers_dir is /usr/src/linux-headers-x86_64-rhel-7.2-5fb70554d68e2ea032b6a28b082801d8b7b76cb8
> 2017-10-26 22:18:16 ln -sf /usr/bin/gcc-5 /usr/bin/gcc
>
> 2017-10-26 22:18:16 make run_tests -C android
> make: Entering directory '/usr/src/linux-selftests-x86_64-rhel-7.2-5fb70554d68e2ea032b6a28b082801d8b7b76cb8/tools/testing/selftests/android'
> make[1]: Entering directory '/usr/src/linux-selftests-x86_64-rhel-7.2-5fb70554d68e2ea032b6a28b082801d8b7b76cb8/tools/testing/selftests/android/ion'
> gcc  -I../../../../../drivers/staging/android/uapi/ -Wall -O2 -g    ionapp_export.c ipcsocket.c ionutils.c   -o ionapp_export
> In file included from ionapp_export.c:28:0:
> ionutils.h:4:17: fatal error: ion.h: No such file or directory
> compilation terminated.
> In file included from ionutils.c:9:0:
> ionutils.h:4:17: fatal error: ion.h: No such file or directory
> compilation terminated.

This utility requires ion.h header file which should be included from
kernel source tree: drivers/staging/android/ion/uapi/
This is already mentioned in the ion/Makefile
Looks like this ion.h is not getting included inside the linux_headers_dir ?

Shall I include the ion.h locally in my selftests?
Or, is there a better way to include the header directly...


> <builtin>: recipe for target 'ionapp_export' failed
> make[1]: *** [ionapp_export] Error 1
> make[1]: Leaving directory '/usr/src/linux-selftests-x86_64-rhel-7.2-5fb70554d68e2ea032b6a28b082801d8b7b76cb8/tools/testing/selftests/android/ion'
> ion_test.sh: No /dev/ion device found
> ion_test.sh: May be CONFIG_ION is not set
> make: Leaving directory '/usr/src/linux-selftests-x86_64-rhel-7.2-5fb70554d68e2ea032b6a28b082801d8b7b76cb8/tools/testing/selftests/android'
>
> 2017-10-26 22:18:16 make run_tests -C bpf
> make: Entering directory '/usr/src/linux-selftests-x86_64-rhel-7.2-5fb70554d68e2ea032b6a28b082801d8b7b76cb8/tools/testing/selftests/bpf'
> make -C ../../../lib/bpf OUTPUT=/usr/src/linux-selftests-x86_64-rhel-7.2-5fb70554d68e2ea032b6a28b082801d8b7b76cb8/tools/testing/selftests/bpf/
> make[1]: Entering directory '/usr/src/linux-selftests-x86_64-rhel-7.2-5fb70554d68e2ea032b6a28b082801d8b7b76cb8/tools/lib/bpf'
>
>
>
> To reproduce:
>
>         git clone https://github.com/intel/lkp-tests.git
>         cd lkp-tests
>         bin/lkp install job.yaml  # job file is attached in this email
>         bin/lkp run     job.yaml
>
>
>
> Thanks,
> Xiaolong