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Date:      Wed, 17 Oct 2018 22:56:19 +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-CAAgTxP0LX@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

--- Comment #4 from Bjoern A. Zeeb <bz@FreeBSD.org> ---
In anticipation ... I've booted into the panic again:

APIC: CPU 7 has ACPI ID 7
Pentium Pro MTRR support enabled
bios32: Found BIOS32 Service Directory header at 0x4e8500
bios32: Entry =3D 0xe8510 (4e8510)  Rev =3D 0  Len =3D 1
stray irq1


Fatal trap 12: page fault while in kernel mode
cpuid =3D 0; apic id =3D 02
fault virtual address   =3D 0x49435024
fault code              =3D supervisor write, page not present
instruction pointer     =3D 0x20:0x4e8510
stack pointer           =3D 0x28:0x2423b68
frame pointer           =3D 0x28:0x2423ba0
code segment            =3D base 0x0, limit 0xfffff, type 0x1b
                        =3D DPL 0, pres 1, def32 1, gran 1
processor eflags        =3D resume, IOPL =3D 0
current process         =3D 0 ()
[ thread pid 0 tid 0 ]
Stopped at      0x4e8510
db> show reg
cs                0x20
ds                0x28
es                0x28
fs                 0x8
gs                0x3b
ss                0x28
eax         0x49435024
ecx                  0
edx                  0
ebx                  0
esp          0x2423b68
ebp          0x2423ba0
esi          0x2423bc4
edi          0x1129df7  counter_u64_alloc+0x27
eip           0x4e8510
efl            0x10002
0x4e8510

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