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

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Message-Id: <5AB7BF19-04B4-4333-9E0D-B7EB04421EF4@gmail.com>
Date:	Sun, 10 Jul 2016 20:28:37 -0700
From:	Tony Luck <tony.luck@...il.com>
To:	kernel test robot <xiaolong.ye@...el.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<#-#>

I'm very surprised that there was a BERT table on an Atom machine. More details about the machine please. Also BIOS version.

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>