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Date:      Sat, 16 Feb 2002 03:39:43 +0100
From:      =?iso-8859-1?Q?Andreas_B=E4ck?= <anback@telia.com>
To:        <freebsd-questions@FreeBSD.ORG>
Subject:   Fatal trap 19 with NCR53C810
Message-ID:  <000701c1b693$34cc0c40$4e7943d5@broadside>

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Hello,

I am having some problems installing FreeBSD v4.5 on an old AST Premmia GX
(http://165.164.76.22/support/summary.asp?pn=501733-019) I have been using
as webserver/router/DHCP using Linux.

I boot up using the bootdisks (kern, mfsroot), but when I have done the
intial kernel configuration, the system stops during the probe with the
following message:

sym0: <010> port 0xfc00-0xfcff mem 0xfe000000-0xfe0000ff irq 11 at device
1.0 on pci0
sym0: No NVRAM, ID 7, Fast-10, SE, parity checking
NMI ISA a0, EISA 0
RAM parity error, likely hardware failure.

Fatal trap 19: non-maskable interrupt trap while in kernel mode
instruction pointer = 0x8:0xc028f1f7
stack pointer = 0x10:0xc0816d28
frame pointer = 0x10:0xc0816d3c
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, IOPL = 0
current process = 0 (swapper)
interrupt mask = net tty bio cam
trap number = 19
panic: non-maskable interrupt trap

This seems to be related to the SCSI controller, because the probing goes
well when I disable the NCR53C810.

I am certain that there is nothing wrong with the hardware itself, because
the sytem has been working flawlessly under Slackware Linux 8.0 for quite
some time.

System specs follow:

2xIntel P133 CPU
80 MB RAM
NCR53C810 embedded SCSI controller
AMD AM2100/AM1500t Embedded ethernet

What do I need to do to get it to work?

Sincerely,

Andreas Bäck
anback@telia.com



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