linux-kernel - [netdevsim] 5fc494225c: kernel_selftests.net.psock

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Date:   Mon, 3 Jun 2019 10:34:22 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Jiri Pirko <jiri@...lanox.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>, lkp@...org
Subject: [netdevsim] 5fc494225c: kernel_selftests.net.psock_snd.sh.fail


FYI, we noticed the following commit (built with gcc-7):

commit: 5fc494225c1eb81309cc4c91f183cd30e4edb674 ("netdevsim: create devlink instance per netdevsim instance")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: kernel_selftests
with following parameters:

	group: kselftests-02

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: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz with 8G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen@...el.com>

selftests: net: psock_snd.sh
========================================
dgram
tx: 128
rx: 142
./psock_snd: recv: Resource temporarily unavailable
not ok 1..21 selftests: net: psock_snd.sh [FAIL]


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,
Rong Chen


View attachment "config-5.1.0-rc6-01222-g5fc4942" of type "text/plain" (189189 bytes)

View attachment "job-script" of type "text/plain" (6747 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (41708 bytes)

View attachment "kernel_selftests" of type "text/plain" (133555 bytes)

View attachment "job.yaml" of type "text/plain" (6216 bytes)

View attachment "reproduce" of type "text/plain" (930 bytes)