linux-kernel - Re: WARNING: CPU: 2 PID: 1857 at arch/x86/kernel/smp.c:124

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Message-ID: <20140416055350.5301cb7e@gandalf.local.home>
Date:	Wed, 16 Apr 2014 05:53:50 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Richard Weinberger <richard@....at>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Seiji Aguchi <seiji.aguchi@....com>, ak@...ux.intel.com,
	Borislav Petkov <bp@...en8.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: WARNING: CPU: 2 PID: 1857 at arch/x86/kernel/smp.c:124

On Wed, 16 Apr 2014 11:28:40 +0200
Richard Weinberger <richard@....at> wrote:

> Am 16.04.2014 11:21, schrieb Peter Zijlstra:
> > On Wed, Apr 16, 2014 at 11:13:44AM +0200, Richard Weinberger wrote:
> >> Hi!
> >>
> >> On a new 8 core server I'm facing the following issue.
> >> After an oops a warning triggers.
> > 
> > I think its fair to ignore everything _after_ an OOPS ;-)
> 
> The problem here is that I'm using pstore with the erst backend (ACPI APEI).
> But it can only store a few KiB. So upon every oops it captures only the bogus
> warning and the original one is lost.

You should change that so the recording to pstore is disabled after the
first oops.

-- Steve
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