I will note that MVS 3.8 was the first release of OS/VS2 to support an attached processor or multiprocessor configuration, if I recall correctly.
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Also, given that MVS running on Hercules today is probably running about 100 times faster than it ever ran on the real hardware, back when MVS 3.8 was "current" (e.g. on a 370 158 or 168 or similar).? So, it is certainly possible that there may be as yet undiscovered timing-related issues ("bugs") in that old code.
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Tread lightly in this area.
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