Re: difficulty running amd64cd.iso in HVM instance

[Christoph Egger <Christoph_Egger%gmx.de@localhost>]

Michael Litchard wrote:
> 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
> 
> 
> ffffffff803b8632:       48 c7 05 7b 06 7a 00   movq 
> $0xffffffff810defc0,7997051(%rip)

here the VA is used as value, not as an address.

Please search for a line that starts with ffffffff810defc0:
Sorry for not being clear what I want to know.



> 
> 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
>>