5.4-RELEASE: integer divide panic (trap 18) during install boot

[Doug White]

On Mon, 21 Nov 2005 dlm-fb at weaselfish.com wrote:

>
> Hi.  I've got a system that's dying during the scsi probe of the
> initial install boot.  The console messages are along the lines of:
>
> 	[...usual boot stuff...]
> 	vga0 <Generic ISA VGA>
> 	unknown: <PNP0303> can't assign resources (port)
> 	unknown: <PNP0c02> can't assign resources (port)
> 	unknown: <PNP0501> can't assign resources (port)
> 	unknown: <PNP0501> can't assign resources (port)
> 	unknown: <PNP0400> can't assign resources (port)
> 	unknown: <PNP0700> can't assign resources (port)
> 	Timecounter [...]
> 	Timecounters [...]
> 	Waiting 15 seconds for SCSI
> 	md0 preloaded image </mfsroot> 4423680 bytes at 0xc0a34270
> 	da0 at bt0 bus 0 target 0 lun 0
> 	da0: <SEAGATE ST39173LW 6246> Fixed Direct Access SCSI-2 device
> 	fatal trap 18: integer divide fault while in kernel mode

Random guess: the disk is broken and is reporting its size as 0 bytes and
CAM divides that value by 1024*1024 to get megabytes.

Try removing or replacing the disk.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite at gumbysoft.com          |  www.FreeBSD.org