[syslinux] pxelinux+memdisk experience & problem..

[tbsky at annsky.com]

> tbsky at annsky.com wrote:
>>
>>
>>   try 2.06 & 2.07 pre5. on mandrake linux 9.1. there seems no error
>> code. memdisk just load fine. i try both harddisk & floppy disk images,
>> with freedos or win98se dos. everything works fine, but with "mem" i can
>> see that i got 4xx KB after a clean boot. and the total low memory is
>> only 5xx KB.
>>
>
> There will be a message "Failed to free base memory" followed by an
> error code.  I need to know this in order to see what the problem is.
>
> 	-hpa

  my test environment:
  vmware 4.05 with emboot pxe boot disk,  pxelinux 2.07 pre5.

  with floppy image, the error message is:
......
Ready.
Failed to free base memory, error FF00-0000-F000FE6E

  with harddisk image, there are no error message. the full
  message for harddisk image below:
.......
Ready.
MEMDISK 2.07 2.07-pre5  Copyright 2001-2003 H., Peter Anvin
e820: 0000000000000000 000000000008d800 1
e820: 000000000008d800 0000000000012800 2
e820: 00000000000dc000 0000000000004000 2
e820: 00000000000e4000 000000000001c000 2
e820: 0000000000100000 0000000007df0000 1
e820: 0000000007ef0000 000000000000c000 3
e820: 0000000007efc000 0000000000004000 4
e820: 0000000007f00000 0000000000100000 1
e820: 00000000fec00000 0000000000010000 2
e820: 00000000fee00000 0000000000001000 2
e820: 00000000fffe0000 0000000000020000 2
Ramdisk at 0x06b40000, length 0x1388000
command line: initrd=dos.img keeppxe BOOT_IMAGE=memdisk
MEMDISK: image seems to have fractional end cylinder
Disk is hard disk, 20000 K, C/H/S = 317/2/63
Total size needed = 1436 bytes
Old dos memory at 0x8d800 (map says 0x8d800), loading at 0x8d000
1588: 0xffff 15E801: 0x3c00 0x05b4
INT 13 08: Success. count = 1, BPT = 0000:0000
old: int13 = ec6c25fc  int15 = f000f859
new: int13 = 8d000008  int15 - 8d00023c
Loading boot sector... booting...