From: Don Zickus <dzickus@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Huang Ying <ying.huang@intel.com>, Ingo Molnar <mingo@elte.hu>,
"H. Peter Anvin" <hpa@zytor.com>,
linux-kernel@vger.kernel.org,
Robert Richter <robert.richter@amd.com>
Subject: Re: [PATCH -v3 5/6] x86, NMI, treat unknown NMI as hardware error
Date: Mon, 11 Oct 2010 17:08:29 -0400 [thread overview]
Message-ID: <20101011210829.GA28823@redhat.com> (raw)
In-Reply-To: <20101010141311.GB26728@basil.fritz.box>
On Sun, Oct 10, 2010 at 04:13:11PM +0200, Andi Kleen wrote:
> > > These systems are identified via the presentation of APEI HEST or
> > > some PCI ID of the host bridge. The PCI ID of host bridge instead of
> > > DMI ID is used, so that the checking can be done based on the platform
> > > type instead of motherboard. This should be simpler and sufficient.
> > >
> > > The method to identify the platforms is designed by Andi Kleen.
> >
> > Why not make the new flag also a boot option so you can force it on for
> > platforms where we don't auto whitelist it.
>
> You can already set it at run time using sysctl.
>
> echo 1 > /proc/sys/kernel/panic_on_unrecovered_nmi
> echo 1 > /proc/sys/kernel/panic_on_io_nmi
I get the impression Alan was talking about the option
unknown_nmi_as_hwerr
which isn't hooked into a sysctl but will cause machines to panic.
Cheers,
Don
next prev parent reply other threads:[~2010-10-11 21:08 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-09 6:49 [PATCH -v3 1/6] x86, NMI, Add NMI symbol constants and rename memory parity to PCI SERR Huang Ying
2010-10-09 6:49 ` [PATCH -v3 2/6] x86, NMI, Add touch_nmi_watchdog to io_check_error delay Huang Ying
2010-10-09 6:49 ` [PATCH -v3 3/6] x86, NMI, Rewrite NMI handler Huang Ying
2010-10-11 16:13 ` Peter Zijlstra
2010-10-11 20:35 ` Don Zickus
2010-10-12 0:50 ` Huang Ying
2010-10-12 6:04 ` Peter Zijlstra
2010-10-12 6:14 ` Huang Ying
2010-10-12 6:31 ` Peter Zijlstra
2010-10-12 6:37 ` Huang Ying
2010-10-12 6:40 ` Peter Zijlstra
2010-10-12 6:45 ` Huang Ying
2010-10-12 6:49 ` Peter Zijlstra
2010-10-12 6:54 ` Huang Ying
2010-10-12 13:51 ` Andi Kleen
2010-10-12 14:15 ` Peter Zijlstra
2010-10-27 16:45 ` Don Zickus
2010-10-27 17:08 ` Peter Zijlstra
2010-10-27 18:07 ` Don Zickus
2010-11-02 17:50 ` Don Zickus
2010-11-02 18:16 ` Huang Ying
2010-11-02 19:11 ` Don Zickus
2010-11-02 20:47 ` Don Zickus
2010-10-09 6:49 ` [PATCH -v3 4/6] Make NMI reason io port (0x61) can be processed on any CPU Huang Ying
2010-10-09 6:49 ` [PATCH -v3 5/6] x86, NMI, treat unknown NMI as hardware error Huang Ying
2010-10-10 14:07 ` Alan Cox
2010-10-10 14:13 ` Andi Kleen
2010-10-11 21:08 ` Don Zickus [this message]
2010-10-11 21:12 ` Don Zickus
2010-10-11 21:20 ` Don Zickus
2010-10-12 1:10 ` Huang Ying
2010-10-20 6:12 ` Huang Ying
2010-10-20 14:15 ` Don Zickus
2010-10-21 1:14 ` Huang Ying
2010-10-21 2:31 ` Don Zickus
2010-10-21 5:17 ` Huang Ying
2010-10-21 14:10 ` Don Zickus
2010-10-21 15:45 ` Andi Kleen
2010-10-22 1:49 ` Don Zickus
2010-10-22 2:05 ` Huang Ying
2010-10-22 2:56 ` Don Zickus
2010-10-22 5:23 ` Huang Ying
2010-10-22 9:24 ` Andi Kleen
2010-10-09 6:49 ` [PATCH -v3 6/6] x86, NMI, Remove do_nmi_callback logic Huang Ying
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