[syslinux] booting a dos floppy from a disk image over pxe

[geert geurts]

Hello Gert,

I tried all memory access methods, but unfortunately non of them worked...
All of them gave the exact same result.
In grub-legacy it hangs, in grub2 it resets.

Regards,

On Mon, Apr 2, 2012 at 12:05 PM, Gert Hulselmans
<hulselmansgert at gmail.com>wrote:

> 2012/4/2 geert geurts <geert at verweggistan.eu>:
> >
> > On a live system it works till till the boot of the dos floppy. The
> > machine resets.
> >
> > I believe it has something to do with loading a second memdisk instance
> >  for the floppy after the first which was used to boot the harddisk
> > image over pxe...
> >
> > I have tried allot to get this working, even grub-legacy, but I'm out
> > of options...
> >
> > If anyone has a idea, I would be very happy to hear!
> >
>
> Try one of the alternative memory access methods for MEMDISK:
>
>   raw        Use raw access to protected mode memory.
>
>   bigraw   Use raw access to protected mode memory, and leave the
>                CPU in "big real" mode afterwards.
>
>   int         Use plain INT 15h access to protected memory.  This assumes
>                that anything which hooks INT 15h knows what it is doing.
>
>   safeint   Use INT 15h access to protected memory, but invoke
>                INT 15h the way it was *before* MEMDISK was loaded.
>                This is the default since version 3.73.
>
>
> http://www.syslinux.org/wiki/index.php/MEMDISK#Set_memory_access_method_.28raw.2C_bigraw.2C_int_.2C_safeint.29
>
> 'raw' works most of the time when the default 'safeint' fails.
>
> - Gert Hulselmans
>
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