[Bug 232288] i386 boot time panic of head on amd64 machine (PCI BIOS search, 0x49435024)
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bugzilla-noreply at freebsd.org
Wed Oct 17 22:51:48 UTC 2018
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=232288
--- Comment #3 from Bjoern A. Zeeb <bz at FreeBSD.org> ---
(In reply to John Baldwin from comment #2)
ndsiasm -u - (lower case u and - for stadin) ; I guessed is what you asked for.
root at rabbit4:~ # dd bs=1 if=/dev/mem iseek=0xe8510 count=32 | ndisasm -u -
32+0 records in
32+0 records out
32 bytes transferred in 0.001126 secs (28414 bytes/sec)
00000000 FF00 inc dword [eax]
00000002 0000 add [eax],al
00000004 0000 add [eax],al
00000006 0000 add [eax],al
00000008 0000 add [eax],al
0000000A 0000 add [eax],al
0000000C 0000 add [eax],al
0000000E 0000 add [eax],al
00000010 3D24504349 cmp eax,0x49435024
00000015 B080 mov al,0x80
00000017 752D jnz 0x46
00000019 B081 mov al,0x81
0000001B 0ADB or bl,bl
0000001D 7527 jnz 0x46
0000001F E8 db 0xe8
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