[syslinux] Laptop+SDMMC+Extlinux+Memdisk+Floppy images=headaches

[H. Peter Anvin]

Cristian Savu wrote:
> 
> Actually, the full message is like this:
> 
> some 12-13 lines like:
> 
> e820: 00000000fff800000 0000000000000080000 2
> 

Could you list those lines?  They could be very important.

> 
> Ramdisk at 0x1bda8000, length 0x00168000
> command line: initrd=images/boot_flp.img floppy=0 BOOT_IMAGE=memdisk
> Disk is floppy 0, 1440 K, C/H/S = 80/2/18
> Total size needed = 2008 bytes, allocating 2K
> Old dos memory at 0x9dc00 (map says 0x9dc00), loading at 0x9d400
> 1588: 0xffff  15E801: 0x3c00 0x1ada
> INT 13 08: Success, count = 0, BPT = 0000:0000
> old: int13 = e8a87ab8  int15 = f000f859
> new: int13 = 9d400008  int15 = 92400290
> Loading boot sector... booting...
> Starting MS-DOS...
> 
> 
> and that's all folks, it never goes any further than this...
> 
> Another example, the bootit floppy image also starts booting
> but it stops on a black screen with the mouse cursor on it.
> Interesting, the cursor can be moved with the touchpad, so
> something IS working, but not all the way to the end.
> 
> For conformance I will mention that all images were made with
>  dd if=/dev/fd0 of=/path/to/image.img
> and they are valid because I copied them back to floppies and they
> booted fine from a FDD.

Do hard disk images boot?

	-hpa