From:	"Charles Sandmann" <sandmann AT clio DOT rice DOT edu>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Keyboard Lockups
Date:	Fri, 14 Apr 2000 18:20:31
Organization:	Aspen Technology, Inc.
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> In the meantime the original poster reported that an old version of CWSDPMI
> was used when these problems were seen.  Removing the old CWSDPMI and using
> the latest version r4 caused the problems to go away.

If I remember correctly I modified CWSDPMI to be more defensive about hardware
interrupts to work around problems like this.  So it's probably a matter of
various features and workarounds needing to be in sync.  Since V2.00 shipped
with an older version of CWSDPMI, it would notice the problem, where most 
people had migrated to newer CWSDPMIs with the newer releases (while I keep
various test environments to make sure the new versions of CWSDPMI don't 
break things that used to work under the older versions).

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