[syslinux] pxelinux 512MB limitation ?

[LinuxbyExamples]

Hi guys,

Any conclusion yet ?!

Tks. 

Atrus. 

On Oct 19, 2012, at 22:41, LinuxByExamples <linuxbyexamples at gmail.com> wrote:

> Hi,
> 
> I want to add more files to the image, but the old image is not space
> enough. So I started to make a whole new one image with bigger size
> (>512MB).
> 
> The bigger image is created by VirtualBox, using fixed size disk
> (preallocated) in vhd format. Then I install winxp with NTFS
> filesystem. After all I make it defragement, and I do not use
> compression (gzip or ntfs compression).
> 
> I can succesfully boot the big image with grub4dos : directly map to
> file or to mem (--mem). But I can not boot it using gpxelinux.0.
> 
> I use syslinux version 4.05-1.fc17 and grub4dos is most recent version.
> 
> -- Atrus.
> 
> On Fri, Oct 19, 2012 at 1:55 PM, Ady <ady-sf at hotmail.com> wrote:
>> 
>>> 
>>> But when the vhd image getting bigger than 512MB (I added some more
>>> files into the image), the booting proccess fail at the loading the
>>> image step. Then I try boot the image on usb disk (without using
>>> gpxelinux.0 and http) -> it works !
>>> 
>>> Brs.
>> 
>> Adding files to a disk image doesn't mean the disk image is bigger
>> than before.
>> 
>> How exactly you added files to the image?
>> 
>> Is the vhd image fixed or dynamic?
>> 
>> Have you defragged the vhd image?
>> 
>> Which filesystem are you using in the vhd image?
>> 
>> Have you compressed the vhd image (gz or anything else)?
>> 
>> Have you defragged the compressed image?
>> 
>> Which image is bigger than 512MB? Are you referring to the original
>> vhd image or to the resulting image after compression?
>> 
>> Which version of Syslinux you used?
>> 
>> Are you using a recent version of grub4dos?
>> 
>> Instead of adding files to the image (with whichever method you used
>> until now), have you tried building a new vhd image bigger than
>> before and starting the procedures all over again?
>> 
>> I am probably not capable of helping you directly with gpxe (or
>> ipxe), but probably those questions need answers anyway.
>> 
>>  -- Ady.
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