linux-kernel - [lkp-developer] [ACPICA] 174cc7187e: kmsg.ACPI_Error:Mutex[ACPI_MTX_Tables]already_acquired_by_this

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Date:   Thu, 12 Jan 2017 09:52:56 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Lv Zheng <lv.zheng@...el.com>
Cc:     "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Bob Moore <robert.moore@...el.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>, lkp@...org
Subject: [lkp-developer] [ACPICA]  174cc7187e:
 kmsg.ACPI_Error:Mutex[ACPI_MTX_Tables]already_acquired_by_this_thread[#](#/utmutex-#)


FYI, we noticed the following commit:

commit: 174cc7187e6f088942c8e74daa7baff7b44b33c9 ("ACPICA: Tables: Back port acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel")
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

in testcase: phoronix-test-suite
with following parameters:

	need_x: true
	test: jxrendermark-1.2.0
	cpufreq_governor: performance

test-description: The Phoronix Test Suite is the most comprehensive testing and benchmarking platform available that provides an extensible framework for which new tests can be easily added.
test-url: http://www.phoronix-test-suite.com/


on test machine: 16 threads Nehalem-EP with 16G memory

caused below changes:


[    2.043693] ACPI Error: Mutex [ACPI_MTX_Tables] already acquired by this thread [497483776] (20160930/utmutex-254)
[    2.054084] ACPI Error: Mutex [0x2] is not acquired, cannot release (20160930/utmutex-326)

To reproduce:

        git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/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-4.9.0-rc5-00017-g174cc71" of type "text/plain" (153626 bytes)

View attachment "job-script" of type "text/plain" (6263 bytes)

Download attachment "dmesg.xz" of type "application/octet-stream" (23152 bytes)

View attachment "phoronix-test-suite" of type "text/plain" (4910 bytes)

View attachment "job.yaml" of type "text/plain" (4114 bytes)

View attachment "reproduce" of type "text/plain" (154 bytes)