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Date:      Tue, 9 May 2000 04:30:04 -0700 (PDT)
From:      John Baldwin <jhb@FreeBSD.org>
To:        freebsd-bugs@FreeBSD.org
Subject:   RE: i386/18132: BTX dumps trying to boot w/ dedicated SCSI disks present
Message-ID:  <200005091130.EAA18381@freefall.freebsd.org>

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The following reply was made to PR i386/18132; it has been noted by GNATS.

From: John Baldwin <jhb@FreeBSD.org>
To: Doug White <dwhite@resnet.uoregon.edu>
Cc: freebsd-hackers@FreeBSD.org, freebsd-gnats-submit@FreeBSD.org
Subject: RE: i386/18132: BTX dumps trying to boot w/ dedicated SCSI disks present
Date: Tue, 09 May 2000 07:29:47 -0400 (EDT)

 On 09-May-00 Doug White wrote:
 > If you're going to decode boot panics, could you look at i386/18132
 > too? :)
 
 Yeah:
 
 00000000  F7F1              div cx
 00000002  33D2              xor dx,dx
 00000004  8A4EF6            mov cl,[bp-0xa]
 00000007  F7F1              div cx
 00000009  3DFF03            cmp ax,0x3ff
 0000000C  7603              jna 0x11
 0000000E  B8FFFF            mov ax,0xffff
 
 Since %cs=c800, we are in some extra hardware's ROM.  The actual fault
 since %cx=0000.  There may be a return address of f300:0000 on the stack,
 would be in the ROM BIOS.  It may be that your SCSI controller doesn't
 like disks without a normal slice table.
 
 -- 
 
 John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
 PGP Key: http://www.cslab.vt.edu/~jobaldwi/pgpkey.asc
 "Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/
 


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