linux-kernel - [scsi] 61b3baad24: last_state.load_disk

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Message-ID: <20210729082528.GA26618@xsang-OptiPlex-9020>
Date:   Thu, 29 Jul 2021 16:25:28 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Christoph Hellwig <hch@....de>
Cc:     "Martin K. Petersen" <martin.petersen@...cle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        lkp@...ts.01.org, lkp@...el.com
Subject: [scsi]  61b3baad24: last_state.load_disk_fail



Greeting,

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

commit: 61b3baad24a058e3a74bb8579f7bbb7bc05f73f4 ("scsi: scsi_ioctl: Move the "block layer" SCSI ioctl handling to drivers/scsi")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master


in testcase: stress-ng
version: stress-ng-x86_64-0.11-06_20210723
with following parameters:

	nr_threads: 100%
	testtime: 60s
	class: cpu
	test: af-alg
	cpufreq_governor: performance
	ucode: 0x42e



on test machine: 48 threads 2 sockets Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz with 112G 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>


[   39.243404][  T783]
[   70.525501][  T783] can't load the disk /dev/disk/by-id/ata-INTEL_SSDSC2BB800G4_PHWL42040057800RGN-part1, skip testing...
[   70.525505][  T783]


please be noted this is quite persistent in our tests,
always happens on this commit, but never on parent:

39ea0bf4480f13f2 61b3baad24a058e3a74bb8579f7
---------------- ---------------------------
       fail:runs  %reproduction    fail:runs
           |             |             |
           :6          100%           6:6     last_state.load_disk_fail


also attach the dmesg (dmesg-39ea0bf448.xz) from parent test FYI


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  # generate the yaml file for lkp run
        bin/lkp run                    generated-yaml-file



---
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-5.14.0-rc2-00085-g61b3baad24a0" of type "text/plain" (175405 bytes)

View attachment "job-script" of type "text/plain" (8076 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (30304 bytes)

View attachment "job.yaml" of type "text/plain" (5264 bytes)

Download attachment "dmesg-39ea0bf448.xz" of type "application/x-xz" (39996 bytes)