[Qemu-devel] Re: booting Netboot images created by mknbi

[Jan Kiszka <jan.kiszka@web.de>]

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David Ahern wrote:
> 
> On 07/15/10 12:26, Stefan Hajnoczi wrote:
>> On Thu, Jul 15, 2010 at 5:09 PM, David Ahern <dsahern@gmail.com> wrote:
>>> Is it possible to run qemu with a netboot image -- something created by
>>> mknbi? If so any notes on how to do that?
>> Yes, QEMU ships with a gPXE network boot ROM.  Previously it shipped
>> with a legacy Etherboot boot ROM.
>>
>> You can use the -boot n command-line option to enable the network bootloader.
> 
> I've tried that without success. DHCP is configured, and it gets an IP
> address just fine. From there it's not clear what to do.
> 
> For pxe boot I tell it to load pxelinux.0. After that it retrieves the
> mac addr file. For pxe boots the mac addr file is something like:
> 
> label linux
>   kernel vmlimuz
>   append initrd=initrd.img
> 
> Should the same work for netboot images? If so, is it:
> 
>    kernel image.nbi?
> 

-net user,bootfile=yourimage,tftp=/path/

or set up your own (real) dhcp and tftp servers when using bridged
networking.

Jan


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