linux-kernel - Re: [lkp-robot] [selftests] 26e500fe62: kernel_selftests.mqueue.mq_open

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Date:   Thu, 28 Sep 2017 09:15:37 -0600
From:   Shuah Khan <shuahkh@....samsung.com>
To:     kernel test robot <xiaolong.ye@...el.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, lkp@...org,
        Shuah Khan <shuahkh@....samsung.com>
Subject: Re: [lkp-robot] [selftests] 26e500fe62:
 kernel_selftests.mqueue.mq_open_tests.fail

On 09/28/2017 01:58 AM, kernel test robot wrote:
> 
> FYI, we noticed the following commit:
> 
> commit: 26e500fe628e28f2e93d397014beeb9c213d91e9 ("selftests: mqueue: Use full path to run tests from Makefile")
> https://git.kernel.org/cgit/linux/kernel/git/shuah/linux-kselftest.git fixes
> 
> 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):
> 
> 
> 
> 2017-09-27 18:35:28 make run_tests -C mqueue
> make: Entering directory '/usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue'
> gcc -O2    mq_open_tests.c -lrt -lpthread -lpopt -o /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_open_tests
> gcc -O2    mq_perf_tests.c -lrt -lpthread -lpopt -o /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_perf_tests
> /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_open_tests /test1 || echo "selftests: mq_open_tests [FAIL]"
> /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue//mq_perf_tests || echo "selftests: mq_perf_tests [FAIL]"
> 
> Initial system state:
> 	Using queue path:		/test1
> 	RLIMIT_MSGQUEUE(soft):		819200
> 	RLIMIT_MSGQUEUE(hard):		819200
> 	Maximum Message Size:		8192
> 	Maximum Queue Size:		10
> 	Default Message Size:		8192
> 	Default Queue Size:		10
> 
> Adjusted system state for testing:
> 	RLIMIT_MSGQUEUE(soft):		819200
> 	RLIMIT_MSGQUEUE(hard):		819200
> 	Maximum Message Size:		8192
> 	Maximum Queue Size:		10
> 	Default Message Size:		8192
> 	Default Queue Size:		10
> 
> 

Will you be able to send me the results without this change.
I am unable to figure out the difference.
> 
> 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
> 

thanks,
-- Shuah