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

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Date:	Tue, 12 Jul 2016 01:21:26 +0000
From:	"Luck, Tony" <tony.luck@...el.com>
To:	"Ye, Xiaolong" <xiaolong.ye@...el.com>
CC:	Tony Luck <tony.luck@...il.com>,
	"Huang, Ying" <ying.huang@...el.com>,
	"Wysocki, Rafael J" <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>,
	LKML <linux-kernel@...r.kernel.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	"lkp@...org" <lkp@...org>
Subject: Re: [lkp] [ACPI / APEI]  a3e2acc5e3:
 kmsg.BERT:Can't_request_iomem_region<#-#>

Get BIOS version with:

# dmidecode   -t  0

Sent from my iPhone

> On Jul 11, 2016, at 17:54, Ye, Xiaolong <xiaolong.ye@...el.com> wrote:
> 
>> 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>