Thanks for sharing the solution to this problem. IDS is not tested on XP Embedded - it's good to know that it works with the small tweak you mention.

If anyone decides to add Windows information to the Informix FAQ, this would be a useful thing to mention..

Guy

----- Original Message----
From: "mfld@tele2.fr" <mfld@tele2.fr>
To: informix-list@iiug.org
Sent: Tuesday, February 20, 2007 6:30:30 AM
Subject: Re: oninit startup failure on XP embedded [solved]

Hello all,

Finally, I succeededinto fixing the problem :-)

I ran the oninit.exe program (with -iyv args) under the Visual MSVC
debugger and walked into the machine code to find the exact location
of the error. The program was failing on a CreateFileA ("nul", ...)
system call while initializing the shared memory (during or just after
the internal _mtinit() function).

I added the NULL device (null.sys) to my XP embedded and it then
worked fine.

By the way, I noticed that the error message ""create_vp : cannot
allocate semaphore" is generated just after the return from
CreateFileA(), and that thismessage is not meaningful to help the
Informix admin to diagnose the problem :-( !

Should rather be : "cannot open NUL file".

Thanks to the guys who tried to help me, I learnt many things through
this case and the clues they gave me.

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