Re: [lkp-developer] [ACPICA] 174cc7187e: kmsg.ACPI_Error:Mutex[ACPI_MTX_Tables]already_acquired_by_this_thread[#](#/utmutex-#)

From: Ye Xiaolong
Date: Thu Jan 12 2017 - 01:01:24 EST


Hi, Lv

On 01/12, Zheng, Lv wrote:
>Hi, Xiaolong
>
>I noticed the tested version in your the test dmesg: Linux version 4.9.0-rc5
>While the commit bisected should be in v4.10-rc1.
>Does that mean your test tree doesn't contain some basic lock fixes?

The reported kernel version is Linux version 4.9.0-rc5-00017-g174cc71 which means
commit 174cc7187e is the head commit to be built.

Thanks,
Xiaolong

>
>Thanks and best regards
>Lv
>
>> From: lkp-developer-request@xxxxxxxxxxxxxxxxx [mailto:lkp-developer-request@xxxxxxxxxxxxxxxxx] On
>> Behalf Of Ye, Xiaolong
>> 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