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echo: os2prog
to: Patrick Haller
from: Rob Landley
date: 1995-04-09 23:52:24
subject: Crash OS/2 from DOS VDM ][

>  RL> I installed WFP_05 and the com file locked my computer solid.
> You have a hardware watchdog (EISA/MCA/586) ? And the WFP_05 is installed
> correctly ? Hmm, sorry, I've no ideas left :( Should work.

Nah, I have a 486.  I thought you needed one or the other, not both. 
That's kinda why I was asking what it did.  (You're sucker-punching a piece
of hardware.  Ok.)

> This COM-progam ? It disables OS/2's scheduler by switching off the
> interrupts and goes into an endless loop.

I thought a program outside of ring 0 couldn't truly switch off the clock
interrupt...?  Something I read in an old "guts of the 386" book
a long time ago.  I mess with things in C++ wherever possible, protected
mode assembly wasn't fun from dos, and I haven't been using OS/2 long
enough to get that far.  (I'm still arguing with make files.  I miss my
IDE.)

Rob
 
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