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Date:      Wed, 28 Jun 2000 11:02:04 -0700 (PDT)
From:      Matthew Jacob <mjacob@feral.com>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        "brian j. peterson" <rbw@myplace.org>, freebsd-alpha@FreeBSD.ORG
Subject:   Re: don't panic
Message-ID:  <Pine.BSF.4.05.10006281059440.27226-100000@semuta.feral.com>
In-Reply-To: <14682.14754.992194.72377@grasshopper.cs.duke.edu>

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670 is processor machine check. This is a per-platform thing.
The param is suspiciously off on a page aligned boundary
off in K0SEG space- low in it, in fact, below KERNBASE.



On Wed, 28 Jun 2000, Andrew Gallatin wrote:

> 
> brian j. peterson writes:
>  > unfortunately, my AS200 4/233 is ignoring that advice...
>  > 
>  > Jun 28 09:51:34 nikita /kernel: unexpected machine check:
>  > Jun 28 09:51:34 nikita /kernel: 
>  > Jun 28 09:51:34 nikita /kernel: mces    = 0x1
>  > Jun 28 09:51:34 nikita /kernel: vector  = 0x670
>  > Jun 28 09:51:34 nikita /kernel: param   = 0xfffffc0000006000
>  > Jun 28 09:51:34 nikita /kernel: pc      = 0x1201799d8
>  > Jun 28 09:51:34 nikita /kernel: ra      = 0x120179e90
> 
> <..>
>  > 
>  > anyone have any ideas?
> 
> The pc & ra are in userspace.  So it could be something like an X
> server accessing memory it is not allowed to touch.  On the other
> hand, it could be a memory parity error, etc..
> 
> What were you doing at the time of the crash?    Is the machine
> properly cooled?
> 
> 
> ------------------------------------------------------------------------------
> Andrew Gallatin, Sr Systems Programmer	http://www.cs.duke.edu/~gallatin
> Duke University				Email: gallatin@cs.duke.edu
> Department of Computer Science		Phone: (919) 660-6590
> 
> 
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