Subj : RE: COM Port in Use
To   : Mike Luther
From : ROBERT WOLFE
Date : Tue Mar 29 2016 06:09 pm


On Mar 29, 2016 09:56am, Mike Luther wrote to Robert Wolfe:

ML> Well Maybe I can explain a bit but who knows?

Um, no, you didn't explain anything at all, unfortunately.  Really nothing to
do with my original question.

RW>> Well, it looks like I got OS/2 Warp 4 installed in a VM and the BBS
RW>> working with SIO 1.60d and VMODEM.  Unfortunately, whenever I go to
RW>> start the BBS, I am getting the popup saying that the virtual com port
RW>> is in use when it really isn't.  If I ignore through the error boxes,
RW>> the BBS starts up just find and runs normally.

RW>> Unfortunately, this popup is an annoyance when trying to run a front
RW>> end mailer (ViaMail in this case) and it goes to load the BBS and the
RW>> BBS exits back out to the mailer when a caller logs off.

^^^^^  My original question/problem.

ML> I think few people have much knowledge of how OS/2 handles actual IRQ
ML> numbers and ring level work that are really needed for carrying OS/2
ML> back to way before even DOS operations for some things.  For example,
ML> 'normal' IRQ top level stuff only applies to IRQ 'numbers' up to what I
ML> think I recall are number 8.  That's not enough to work with some
ML> things that we need for IRQ level numbers which go up even way beyond
ML> number 8 especially when OS/2 is 'later' dealing with multiple CPU
ML> operations that, as I think I recall this, are up to as many as sixteen
ML> separate CPU's which then must be able to be coordinated with each
ML> other as to what each CPU is doing that must be absolutely understood
ML> by any action even down to COMM ports so that things don't violate the
ML> order of operation for multiple CPU stuff that grew up long after the
ML> original ring level and machine language code which I was originally
ML> working with LONG before there was OS/2 even there.

[...much deletia...]

Sorry, but all I got from your original post was a bunch of information that I
don't think related to my question so it was basically just information
overload for me.  Sorry.

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