[syslinux] inconsistent Int 22h local boot

[H. Peter Anvin]

Miguel wrote:
>>> But, on this Dell 1435 the call is returning from the Int 22h.
>>>
>>> I am using syslinux 3.51
>>>
>>> Q: Any suggestions?
>>>
>>> Q: Is there any info/data that I can collect that will help identify
>>> what
>>> is causing this problem?
>> Start by trying the latest version, 3.54.
> 
> Upgrade to 3.54 did not solve the problem ... same behavior ... Dell 1435
> still returns from Int 22h AX=0014.
> 
> I'll try to collect more data.
> 

That is very odd indeed.  The code to do it shouldn't even have a way to 
return... I traced through the execution and there doesn't seem any 
possibility.  It would be useful to know what values are returned by
INT 22h, AX=000Ah.

	-hpa