[syslinux] Large disk image boot. Any suggestions?

[H. Peter Anvin]

Matt Walsh wrote:
>>Correct me if I'm wrong, but, isn't memdisk supposed to support using
>>a harddisk image? 
> 
> 
> It's supposed to but doesn't - at least with the current version - or at
> least with the directions I've used.
> 
> I had the same issue as this most excellent person Giulio...
> http://syslinux.zytor.com/archives/2005-February/004773.html
> 
> ...and so I emailed him.  He said he went backwards till he found an old
> version that works.  Voila, if you use MEMDISK 2.11, it works.  He told me
> that he posted this to the list but got no response.
> 
> The old version hangs like this:
> 
> Ramdisk at 0x005df000, length 0x00a00080
                                 ^^^^^^^^^^
> command line: initrd=image.dsk harddisk c=10 h=64 s=32 BOOT_IMAGE=memdisk
> MEMDISK: image has a fractional end sector
   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Disk is hard disk, 10240 K, C/H/S = 10/63/32
> Total size needed = 1897 bytes, allocating 2K
> Old dos memory at 0x9f800 (map says 0x9f800), loading at 0x9f000
> 1588: 0x137c 15E801: 0x137c 0x0000
> INT 13 08: Success, count = 2, BPT = 0000:0000
> old: int13 = eb8b3dc9   int15 =  f0005d34
> new: int13 = 9f000008   int15 =  9f000286
> Loading boot sector... booting...
> <hangs here>
> 

This looks like a DOSEMU image, with a DOSEMU header; can you please 
remove the geometry overrides (harddisk c=10 h=64 s=32) from your 
command line and see what happens?

	-hpa