CLU CPU eater

[RWS at MIT-XX.ARPA]

From:  "Robert W. Scheifler" <RWS at MIT-XX.ARPA>

If you have a 4.2 VAX with people doing CLU debugging, get your CLU
maintainer to install the following fix.  In ~CLU/link/clu/run_inferior,
change the call
	_chan$Read_Wait(FromP, 0);
to
	_chan$Read_Wait(FromP, 3600000);
Recompile the file and build a new version of link.  On a machine with
N debuggers running, you may well find the load average reduced by N.
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