Re: difficulty running amd64cd.iso in HVM instance

["Michael Litchard" <michael%schmong.org@localhost>]

Here you go. Could you let me know what you're looking for? I can
follow along a little bit, but I have no context.

           Michael


ffffffff803b8604:       c6 05 b9 6d d2 00 05    movb   $0x5,13790649(%rip)

# 0xffffffff810df3c4
ffffffff803b860b:       e8 80 48 00 00          callq  0xffffffff803bce90
ffffffff803b8610:       85 c0                   test   %eax,%eax
ffffffff803b8612:       74 0e                   je     0xffffffff803b8622
ffffffff803b8614:       48 c7 c7 58 ce 93 80    mov    $0xffffffff8093ce58,%rdi
ffffffff803b861b:       31 c0                   xor    %eax,%eax
ffffffff803b861d:       e8 de 99 07 00          callq  0xffffffff80432000
ffffffff803b8622:       31 d2                   xor    %edx,%edx
ffffffff803b8624:       48 c7 c6 b4 cd 93 80    mov    $0xffffffff8093cdb4,%rsi
ffffffff803b862b:       48 c7 c7 c0 ef 0d 81    mov    $0xffffffff810defc0,%rdi
ffffffff803b8632:       48 c7 05 7b 06 7a 00    movq
$0xffffffff810defc0,799705
1
(%rip)        # 0xffffffff80b58cb8
ffffffff803b8639:       c0 ef 0d 81
ffffffff803b863d:       e8 3e fe ff ff          callq  0xffffffff803b8480
ffffffff803b8642:       48 83 c4 40             add    $0x40,%rsp
ffffffff803b8646:       5b                      pop    %rbx
ffffffff803b8647:       41 5c                   pop    %r12
ffffffff803b8649:       c9                      leaveq
ffffffff803b864a:       c3                      retq
.............


On Mon, Aug 25, 2008 at 10:11 PM, Christoph Egger
<Christoph_Egger%gmx.de@localhost> wrote:
> Michael Litchard wrote:
>> Okay, at last I have the kernel output from my attempt to run the
>> amd64.iso as an HVM instance.
>>
>> com0 at isa0 port 0x3f8-0x3ff irq 4: ns8250 or ns16450, no fifo
>> com0: console
>> fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
>> uvm_fault(0xffffffff810defc0, 0xffffffff804e8000, 2) -> e
>> fatal page fault in supervisor mode
>> trap type 6 code 3 rip ffffffff804d02b0 cs 8 rflags 10046 cr2
>> ffffffff804e800c cpl 0 rsp ffffffff81156e40
>> kernel: page fault trap, code=0
>> Stopped in pid 0.1 (system) at  0xffffffff804d02b0:     movb    $0x90,0(%rax)
>>
>>
>> I googled this, but could not find any solution relevant to my situation.
>> I would appreciate any feedback.
>
> Can you extract the kernel image from the iso and then do:
>
> 1. objdump -S <extracted netbsd-kernel> >netbsd.objdump
> 2. less netbsd.objdump
>
> Search for ffffffff810defc0 and show us this assembly line and a few of
> them before and after that line.
>
> Christoph
>