linux-kernel - Re: [lkp] [ACPI / APEI] a3e2acc5e3: kmsg.BERT:Can't_request_iomem

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Message-ID: <20160712005201.GE19249@yexl-desktop>
Date:	Tue, 12 Jul 2016 08:52:01 +0800
From:	Ye Xiaolong <xiaolong.ye@...el.com>
To:	Tony Luck <tony.luck@...il.com>
Cc:	Huang Ying <ying.huang@...el.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Tomasz Nowicki <tomasz.nowicki@...aro.org>,
	"Chen, Gong" <gong.chen@...ux.intel.com>,
	Jonathan Zhang <zjzhang@...eaurora.org>,
	Fu Wei <fu.wei@...aro.org>,
	Tyler Baicar <tbaicar@...eaurora.org>,
	Borislav Petkov <bp@...e.de>, Tony Luck <tony.luck@...el.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>, lkp@...org
Subject: Re: [lkp] [ACPI / APEI]  a3e2acc5e3:
 kmsg.BERT:Can't_request_iomem_region<#-#>

On Sun, Jul 10, 2016 at 08:28:37PM -0700, Tony Luck wrote:
>I'm very surprised that there was a BERT table on an Atom machine. More details about the machine please. Also BIOS version.

Hi, ying

Could you tell me what's BERT table? and how to check the BIOS version?

Thanks,
Xiaolong

>
>Sent from my iPhone
>
>> On Jul 10, 2016, at 18:43, kernel test robot <xiaolong.ye@...el.com> wrote:
>> 
>> 
>> FYI, we noticed the following commit:
>> 
>> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
>> commit a3e2acc5e37b22b6808a0b8e46887c3577de9c9e ("ACPI / APEI: Add Boot Error Record Table (BERT) support")
>> 
>> in testcase: locktorture
>> with following parameters: runtime=300s
>> 
>> on test machine: Atom with 8G memory
>> 
>> caused below changes:
>> 
>> 
>> [   12.317148] BERT: Can't request iomem region <00000000bfccfc18-00000000bfccfc2b>.
>> 
>> 
>> 
>> 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
>> <config-4.7.0-rc4-00003-ga3e2acc>
>> <kmsg.xz>
>> <job.yaml>