[ipxe-devel] wimboot hang

[Christian Nilsson]

Indeed, sorry seems I haven't woken up properly yet. (or just missing
coffee)

On Sat, Oct 22, 2016 at 12:12 PM, James Harper <james at ejbdigital.com.au>
wrote:

> It’s around 350MB - maybe if I put some punctuation in there it might help
>
> boot.wim : 347,125,546 bytes "boot.wim"
>
> :)
>
>
>
> James
>
>
>
> *From:* Christian Nilsson [mailto:nikize at gmail.com]
> *Sent:* Saturday, 22 October 2016 9:04 PM
>
> *To:* James Harper <james at ejbdigital.com.au>
> *Cc:* ipxe-devel at lists.ipxe.org
> *Subject:* Re: [ipxe-devel] wimboot hang
>
>
>
> 34Gb wim file? I'm not expecting a wim over 2GiB working reliably, even
> tho it probably should.
>
> There is some memory boundaries that bootmgr uses that wimboot might not
> handle inte the same way. so
>
>
>
> Just to avoid any size issue, I would start out with a minimal wim with
> the same drivers.
>
> One other thing to check is that the same wim works on a usb drive as a
> replacement for the windows install boot.wim
>
>
>
> On Sat, Oct 22, 2016 at 11:54 AM, James Harper <james at ejbdigital.com.au>
> wrote:
>
> sectors = 0xff80040 which is definitely 127GB. The 1024*255*63 is a legacy
> holdover from the old 8GB disk limit. I think.
>
>
>
> Boot with imgstat in looks like:
>
> iPXE 1.0.0+ (93224) -- Open Source Network Boot Firmware --
> http://ipxe.org
>
> Features: DNS HTTP iSCSI NBD TFTP SRP AoE ELF MBOOT PXE bzImage Menu PXEXT
>
>
>
> net0: 00:15:5d:00:89:04 using netvsc on {bd959f1e-e64b-4d55-a501-a1e8d453f4e0}
> (open)
>
>   [Link:up, TX:0 TXE:0 RX:0 RXE:0]
>
> Configuring (net0 00:15:5d:00:89:04).... ok
>
> net0: 172.16.3.104/255.255.255.0 gw 172.16.3.254
>
> Next server: 172.16.3.200
>
> Filename: 8384db47-704f-405a-bb51-b274f01de49d.ipxe
>
> tftp://172.16.3.200/8384db47-704f-405a-bb51-b274f01de49d.ipxe... ok
>
> 8384db47-704f-405a-bb51-b274f01de49d.ipxe : 148 bytes [script]
>
> wimboot-2.5.2... ok
>
> boot/bcd... ok
>
> boot/boot.sdi... ok
>
> sources/boot.wim... ok
>
> wimboot-2.5.2 : 42496 bytes [bzImage] [SELECTED] "pause"
>
> bcd : 262144 bytes [PXE-NBP] "BCD"
>
> boot.sdi : 3170304 bytes "boot.sdi"
>
> boot.wim : 347125546 bytes "boot.wim"
>
>
>
> Not sure if screenshots work on this list, but then wimboot takes over and
> looks like this:
>
>
>
> I wonder how easy it would be to get wimboot logging via serial…
>
>
>
> James
>
>
>
>
>
> *From:* Christian Nilsson [mailto:nikize at gmail.com]
> *Sent:* Saturday, 22 October 2016 8:44 PM
> *To:* James Harper <james at ejbdigital.com.au>
> *Cc:* ipxe-devel at lists.ipxe.org
> *Subject:* Re: [ipxe-devel] wimboot hang
>
>
>
> 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
>
>
>
>
> _______________________________________________
> ipxe-devel mailing list
> ipxe-devel at lists.ipxe.org
> https://lists.ipxe.org/mailman/listinfo.cgi/ipxe-devel
>
>
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ipxe.org/pipermail/ipxe-devel/attachments/20161022/3056cefd/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image001.png
Type: image/png
Size: 9434 bytes
Desc: not available
URL: <http://lists.ipxe.org/pipermail/ipxe-devel/attachments/20161022/3056cefd/attachment.png>