linux-kernel - [lkp-robot] [MM] 3e38a07a66: ltp.proc01.fail

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Message-ID: <20170516013126.GA18220@yexl-desktop>
Date:   Tue, 16 May 2017 09:31:26 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Marcelo Tosatti <mtosatti@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Luiz Capitulino <lcapitulino@...hat.com>,
        Rik van Riel <riel@...hat.com>,
        Linux RT Users <linux-rt-users@...r.kernel.org>,
        Marcelo Tosatti <mtosatti@...hat.com>, lkp@...org,
        ltp@...ts.linux.it
Subject: [lkp-robot] [MM]  3e38a07a66: ltp.proc01.fail


FYI, we noticed the following commit:

commit: 3e38a07a6692b3f1459822767872c79922d08593 ("MM: allow per-cpu vmstat_worker configuration")
url: https://github.com/0day-ci/linux/commits/Marcelo-Tosatti/MM-remove-unused-quiet_vmstat-function/20170504-163254


in testcase: ltp
with following parameters:

	test: fs

test-description: The LTP testsuite contains a collection of tools for testing the Linux kernel and related features.
test-url: http://linux-test-project.github.io/


on test machine: 8 threads Intel(R) Core(TM) i7 CPU 870 @ 2.93GHz with 4G memory

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


[ 1195.162826] cmdline="proc01 -m 128"
[ 1195.162827] 
[ 1195.163364] contacts=""
[ 1195.163365] 
[ 1195.163923] analysis=exit
[ 1195.163924] 
[ 1195.164566] <<<test_output>>>
[ 1195.164567] 
[ 1195.178330] ICMPv6: process `proc01' is using deprecated sysctl (syscall) net.ipv6.neigh.default.base_reachable_time - use net.ipv6.neigh.default.base_reachable_time_ms instead
[ 1195.180105] nr_pdflush_threads exported in /proc is scheduled for removal
[ 1195.789360] proc01      0  TINFO  :  /proc/sys/fs/binfmt_misc/register: is write-only.
[ 1195.789363] 
[ 1195.795586] proc01      0  TINFO  :  /proc/sys/net/ipv6/conf/all/stable_secret: known issue: errno=EIO(5): Input/output error
[ 1195.795589] 
[ 1195.800163] proc01      0  TINFO  :  /proc/sys/net/ipv6/conf/default/stable_secret: known issue: errno=EIO(5): Input/output error
[ 1195.800166] 
[ 1195.806069] proc01      0  TINFO  :  /proc/sys/net/ipv6/conf/eth0/stable_secret: known issue: errno=EIO(5): Input/output error
[ 1195.806073] 
[ 1195.812436] proc01      0  TINFO  :  /proc/sys/net/ipv6/conf/eth1/stable_secret: known issue: errno=EIO(5): Input/output error
[ 1195.812440] 
[ 1195.816969] proc01      0  TINFO  :  /proc/sys/net/ipv6/conf/lo/stable_secret: known issue: errno=EIO(5): Input/output error
[ 1195.816972] 
[ 1195.822113] proc01      1  TFAIL  :  proc01.c:396: read failed: /proc/sys/vm/stat_refresh: errno=EINVAL(22): Invalid argument
[ 1195.822116] 
[ 1195.826668] proc01      0  TINFO  :  /proc/kmsg: known issue: errno=EAGAIN/EWOULDBLOCK(11): Resource temporarily unavailable
[ 1195.826672] 
[ 1195.829274] proc01      0  TINFO  :  /proc/sysrq-trigger: is write-only.
[ 1195.829276] 
[ 1195.832891] proc01      0  TINFO  :  /proc/self/task/14436/mem: known issue: errno=EIO(5): Input/output error
[ 1195.832894] 
[ 1195.835953] proc01      0  TINFO  :  /proc/self/task/14436/clear_refs: is write-only.
[ 1195.835956] 
[ 1195.839587] proc01      0  TINFO  :  /proc/self/task/14436/pagemap: reached maxmbytes (-m)
[ 1195.839591] 
[ 1195.843025] proc01      0  TINFO  :  /proc/self/mem: known issue: errno=EIO(5): Input/output error
[ 1195.843028] 
[ 1195.845599] proc01      0  TINFO  :  /proc/self/clear_refs: is write-only.
[ 1195.845602] 
[ 1195.848837] proc01      0  TINFO  :  /proc/self/pagemap: reached maxmbytes (-m)
[ 1195.848841] 
[ 1195.851717] proc01      2  TFAIL  :  proc01.c:465: readproc() failed with 1 errors.
[ 1195.851720] 



To reproduce:

        git clone https://github.com/01org/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

View attachment "config-4.11.0-04398-g3e38a07" of type "text/plain" (158439 bytes)

View attachment "job-script" of type "text/plain" (4321 bytes)

Download attachment "dmesg.xz" of type "application/octet-stream" (33032 bytes)

View attachment "ltp" of type "text/plain" (48555 bytes)

View attachment "job.yaml" of type "text/plain" (3540 bytes)

View attachment "reproduce" of type "text/plain" (16 bytes)