[ipxe-devel] wimboot hang

Christian Nilsson nikize at gmail.com
Sat Oct 22 09:43:36 UTC 2016


wimboot emulates a disk with a fat fs on it, which windows bootmgr uses to
load it's files.
in this case it is 1024*255*63*512 = ~8Gb

it would be interesting to see what imgstat in ipxe gives you just before
your boot line

On Sat, Oct 22, 2016 at 8:31 AM, James Harper <james at ejbdigital.com.au>
wrote:

> Wimboot is hanging on boot in a hyper-v VM. The screen it stops at says:
>
>
>
> Get parameters: C/H/S = 1024/255/63, drives = 1
>
> Get disk type: sectors = 0xff80040, type = 3
>
> Extensions installation check
>
> Get Extended parameters: C/H/S = 1024/255/63, sectors = 0xfff80040 (512
> bytes)
>
> Get parameters: C/H/S = 1024/255/63, drives = 1
>
>
>
> The reported number of sectors would be correct if the VM had a disk
> attached, but it doesn’t so I’m a little curious as to why it thinks there
> is, unless wimboot fakes a 127GB disk too?
>
>
>
> Any idea why it might be hanging? I have windbg running and windbg reports
> that it gets as far as “Boot Debugger Initialized”.
>
>
>
> Thanks
>
>
> James
>
>
>
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>
>
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