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Date:      Thu, 18 Oct 2018 21:52:27 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 232288] i386 boot time panic of head on amd64 machine (PCI BIOS search, 0x49435024)
Message-ID:  <bug-232288-227-CNQlRwRigA@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-232288-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-232288-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D232288

Bjoern A. Zeeb <bz@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|bugs@FreeBSD.org            |jhb@FreeBSD.org

--- Comment #6 from Bjoern A. Zeeb <bz@FreeBSD.org> ---
(In reply to John Baldwin from comment #5)

root@rabbit4:~ # dd bs=3D1 if=3D/dev/mem iseek=3D0xe8500 count=3D48 | ndisa=
sm -u -
48+0 records in
48+0 records out
48 bytes transferred in 0.001682 secs (28538 bytes/sec)
00000000  5F                pop edi
00000001  3332              xor esi,[edx]
00000003  5F                pop edi
00000004  10850E000001      adc [ebp+0x100000e],al
0000000A  3900              cmp [eax],eax
0000000C  0000              add [eax],al
0000000E  0000              add [eax],al
00000010  FF00              inc dword [eax]
00000012  0000              add [eax],al
00000014  0000              add [eax],al
00000016  0000              add [eax],al
00000018  0000              add [eax],al
0000001A  0000              add [eax],al
0000001C  0000              add [eax],al
0000001E  0000              add [eax],al
00000020  3D24504349        cmp eax,0x49435024
00000025  B080              mov al,0x80
00000027  752D              jnz 0x56
00000029  B081              mov al,0x81
0000002B  0ADB              or bl,bl
0000002D  7527              jnz 0x56
0000002F  E8                db 0xe8

--=20
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