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Date:      Sat, 27 Oct 2001 10:05:21 +0200
From:      Wilko Bulte <wkb@freebie.xs4all.nl>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        Shashi Dookhee <dookhee.s@trafficproximity.com>, freebsd-alpha@FreeBSD.ORG
Subject:   Re: Kernel Panic on DEC Alpha 1000A 5/400
Message-ID:  <20011027100521.B7751@freebie.xs4all.nl>
In-Reply-To: <15322.3425.700773.484721@grasshopper.cs.duke.edu>; from gallatin@cs.duke.edu on Fri, Oct 26, 2001 at 09:26:57PM -0400
References:  <MNEAKCLKAEKLKKPGAOJBIEMPENAA.dookhee.s@trafficproximity.com> <15322.3425.700773.484721@grasshopper.cs.duke.edu>

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On Fri, Oct 26, 2001 at 09:26:57PM -0400, Andrew Gallatin wrote:

> Shashi Dookhee writes:
>  >  
>  > -----BEGIN PGP SIGNED MESSAGE-----
>  > Hash: SHA1
>  > 
>  > Hi all,
>  > 
>  > Wondering if anyone has come across the following error message
>  > during boot - it happens *every* time, so the system never boots -
>  > This is happening while booting from CD-ROM to install FreeBSD
>  > 4.4-INSTALL/Alpha (system currently has OpenVMS on the hard disks
>  > which seems to boot okay):
>  > 
>  > unexpected machine check:
>  > 
>  >     mces    = 0x1
>  >     vector  = 0x660
>  >     param   = 0xfffffc0000006060
>  >     pc      = 0xfffffc0000554584
>  >     ra      = 0xfffffc000052d870
>  >     curproc = 0xfffffc0000909a98
>  >         pid = 0, comm = swapper
>  > 
>  > panic: machine check
>  > Uptime: 0s
>  > Automatic reboot in 15 seconds - press a key on the console to abort
>  > 
>  > This happens after it checks all the devices (last thing it does
>  > before that panic is "de0: enabling 10baseT port").
>  > 
>  > I thought it might be a memory issue with perhaps faulty modules, but
>  > since the OpenVMS system boots to a login prompt, I have pretty much
>  > discounted that (someone correct me if I am wrong about dismissing
>  > it!)..
>  > 
>  > Any help would be appreciated!
> 
> Can you hook up a serial console & give a complete transcript of  the
> boot session, please?

What machine model is this anyway? Can you please also do a 
>>> show memory ? I've seen something similar on AS2100A with partially
bad memory. VMS does not care, and maps out the bad pages. FreeBSD just
crashed.

Wilko

-- 
|   / o / /_  _   		email: 	wilko@FreeBSD.org
|/|/ / / /(  (_)  Bulte		Arnhem, The Netherlands	

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