[Bug 232288] i386 boot time panic of head on amd64 machine (PCI BIOS search, 0x49435024)

bugzilla-noreply at freebsd.org 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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