[syslinux] MEMDISK reset computer with NW Client32

[H. Peter Anvin]

H. Peter Anvin wrote:
> Petr Olivka wrote:
>> Hi!
>>
>>   I have problem with MEMDISK, because when I load modules in NW Client32 
>> using NIOS.EXE commands, computer is restarted :-( Not everytime, but 
>> manytimes.
>>
>>   The problem is with MSDOS 5.0, 6.22 and FreeDOS too. 
>>
>>   But when I create in DOS another RAMDISK and copy all data from MEMDISK 
>> to new RAMDISK and change settings and PATH to new ramdisk, all work fine.
>> Directly from floppy or from HD all work fine too. But two ramdisk is not 
>> good situation.
>>
>>   Does anybody have some experiences, how to debug this problem? I hope, i 
>> will be certainly some little error in asm. 
>>
> 
> The best way I've found to debug these classes of programs is to load it 
> in a simulator like Bochs and Qemu, and reproduce the bug there.  Then 
> you have full visibility.
> 

To answer a question received off-list: use Etherboot (a.k.a. gPXE) to 
set up a PXE environment inside a simulator.

	-hpa