Re: difficulty running amd64cd.iso in HVM instance

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

grepping for a line that begins with  ffffffff810defc0 yields no results.


On Tue, Aug 26, 2008 at 12:35 PM, Christoph Egger
<Christoph_Egger%gmx.de@localhost> wrote:
> 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
>>>
>
>