[syslinux] Debugging memdisk loaded via pxelinux

[Gene Cumm]

On Fri, Oct 21, 2011 at 23:10, Michael T. Davis
<DAVISM at ecr6.ohio-state.edu> wrote:
>        I have a USB flash drive that I'd like to image, and then load that
> image via pxelinux and memdisk.  The flash drive was formatted under
> Windows 98 SE as FAT, and boots just fine on its own.  The PXE boot process
> gets as far as loading the image via memdisk, but then when the boot process
> switches over to the RAM disk, it fails:
>
>  [...PXE diagnostic information...]
>  Loading boot sector...booting...
>
>  Invalid system disk
>  Replace the disk, and then press any key
>
> Aside from re-keying all the information I can see on the PXE client/target
> identified as "[...PXE diagnostic information...]", is there some way to log
> this data so that I can cite it here?
>
>        My DHCP/tftpd server is tftpd32 from tftpd32.jounin.net, running under
> Windows XP Pro SP3.  I'm using a distribution of syslinux v4.0.4 (from which I
> obtained pxelinux.0 and memdisk) I found via Google (since the syslinux site
> is down).
>
> Regards,
> Mike

Are your partition(s) aligned to cylinders on the UFD?  I'd consider
using fdisk to see what geometry is being used on the UFD then feed
that information to MEMDISK (see doc/memdisk.txt for the parameter
syntax).

-- 
-Gene