From owner-freebsd-questions@FreeBSD.ORG  Tue Apr 24 17:16:25 2007
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Date: Tue, 24 Apr 2007 13:16:24 -0400
From: Kris Kennaway <kris@obsecurity.org>
To: "Jan L. Nauta" <jln@magentammt.com>
Message-ID: <20070424171623.GA36092@xor.obsecurity.org>
References: <035701c78662$ead7d9c0$6802a8c0@clarke>
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Cc: freebsd-questions@freebsd.org
Subject: Re: kernel trap 19/NMI messages
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On Tue, Apr 24, 2007 at 01:23:00PM +0200, Jan L. Nauta wrote:
> Hi,
> 
>  
> 
> SMP FreeBSD 6.2-RELEASE (i386), latest version via freebsd-update, on a
> PentiumD based server with two ide drives running under gmirror.
> 
>  
> 
> Recently I've been getting the following messages in my daily security run
> output mails:
> 
>  
> 
> <SNIP>
> 
> +NMI INSAM I IS2A 8, EISA 20
> 
> +8,
> 
> +<2<>2N>MIN MISI AI SA 38,3 8,E IESAIS A0
> 
> +N<MI2 >NIMSIA  ISA 28,2 8EI, SEA I0S
> 
> +A 0
> 
> +NMI ISA N2M8I,  ISEIA SA 0
> 
> +28, EISA 0
> 
> +N<MI 2I>SAN MI ISA 38, EIS3A8,  E0I
> 
> +S
> 
> +A 0
> 
> +<2<>N2>NMMII I SAIS A 38, E3I8S, AEI S0A NMI ISA 38, EISA 0 kernel trap 
> 
> +19 with interrupts disabled NMI ISA 28, EISA 0 NM<I 2I>NSAM I ISA 28, 
> 
> +EISA2 08
> 
> </SNIP>
> 
>  
> 
> Sometimes with message like this embedded:
> 
>  
> 
> <SNIP>
> 
> g_vfs_done():mirror/gm0s1f[READ(offset=356486479872, length=16384)]error = 5
> 
> </SNIP>
> 
>  
> 
> By now the mail is about 40K. Does anybody have an idea what this means and
> what's causing it?

NMI errors are caused by hardware failure.

Kris