Re: difficulty running amd64cd.iso in HVM instance

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

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