linux-kernel - [scsi_debug] 20b58d1e6b: blktests.block.001.fail

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Message-ID: <20210323132620.GA23032@xsang-OptiPlex-9020>
Date:   Tue, 23 Mar 2021 21:26:20 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Douglas Gilbert <dgilbert@...erlog.com>
Cc:     0day robot <lkp@...el.com>, LKML <linux-kernel@...r.kernel.org>,
        lkp@...ts.01.org, linux-scsi@...r.kernel.org,
        martin.petersen@...cle.com, mcgrof@...nel.org, hare@...e.de
Subject: [scsi_debug]  20b58d1e6b: blktests.block.001.fail



Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: 20b58d1e6b9cda142cd142a0a2f94c0d04b0a5a0 ("[RFC] scsi_debug: add hosts initialization --> worker")
url: https://github.com/0day-ci/linux/commits/Douglas-Gilbert/scsi_debug-add-hosts-initialization-worker/20210319-230817
base: https://git.kernel.org/cgit/linux/kernel/git/jejb/scsi.git for-next

in testcase: blktests
version: blktests-x86_64-a210761-1_20210124
with following parameters:

	disk: 1SSD
	test: block-group-00
	ucode: 0xe2



on test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz with 32G 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 <oliver.sang@...el.com>

2021-03-21 02:40:23 sed "s:^:block/:" /lkp/benchmarks/blktests/tests/block-group-00
2021-03-21 02:40:23 ./check block/001
block/001 (stress device hotplugging)                       
block/001 (stress device hotplugging)                        [failed]
    runtime  ...  30.370s
    --- tests/block/001.out	2021-01-24 06:04:08.000000000 +0000
    +++ /lkp/benchmarks/blktests/results/nodev/block/001.out.bad	2021-03-21 02:40:53.652003261 +0000
    @@ -1,4 +1,7 @@
     Running block/001
     Stressing sd
    +ls: cannot access '/sys/class/scsi_device/4:0:0:0/device/block': No such file or directory
    +ls: cannot access '/sys/class/scsi_device/5:0:0:0/device/block': No such file or directory
     Stressing sr
    +ls: cannot access '/sys/class/scsi_device/4:0:0:0/device/block': No such file or directory
     Test complete



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 split-job --compatible job.yaml
        bin/lkp run                    compatible-job.yaml



---
0DAY/LKP+ Test Infrastructure                   Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org       Intel Corporation

Thanks,
Oliver Sang


View attachment "config-5.12.0-rc1-00138-g20b58d1e6b9c" of type "text/plain" (172871 bytes)

View attachment "job-script" of type "text/plain" (6057 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (42604 bytes)

View attachment "blktests" of type "text/plain" (830 bytes)

View attachment "job.yaml" of type "text/plain" (5024 bytes)

View attachment "reproduce" of type "text/plain" (83 bytes)