linux-kernel - [lkp-robot] [libata] 818831c8b2: kmsg.ata#.#:failed_to_set_xfermode(err

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Message-ID: <20170615025854.GB14017@yexl-desktop>
Date:   Thu, 15 Jun 2017 10:58:54 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Tejun Heo <tj@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, lkp@...org
Subject: [lkp-robot] [libata]  818831c8b2:
 kmsg.ata#.#:failed_to_set_xfermode(err_mask=#)


FYI, we noticed the following commit:

commit: 818831c8b22f75353f59a63a484e20736c0567c9 ("libata: implement SECURITY PROTOCOL IN/OUT")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

in testcase: unixbench
with following parameters:

	runtime: 300s
	nr_task: 100%
	test: fsbuffer

test-description: UnixBench is the original BYTE UNIX benchmark suite aims to test performance of Unix-like system.
test-url: https://github.com/kdlucas/byte-unixbench


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):


[   16.104144] ata2.00: Security Log not supported
[   16.104411] ata2.01: ATAPI: HL-DT-ST DVD+/-RW GH50N, B102, max UDMA/100
[   16.104757] ata2.00: failed to set xfermode (err_mask=0x40)



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-4.12.0-rc1-00081-g818831c8" of type "text/plain" (159394 bytes)

View attachment "job-script" of type "text/plain" (6666 bytes)

Download attachment "dmesg.xz" of type "application/octet-stream" (21216 bytes)

View attachment "unixbench" of type "text/plain" (3298 bytes)

View attachment "job.yaml" of type "text/plain" (4353 bytes)

View attachment "reproduce" of type "text/plain" (27 bytes)