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Conference ulysse::rdb_vms_competition

Title:DEC Rdb against the World
Moderator:HERON::GODFRIND
Created:Fri Jun 12 1987
Last Modified:Thu Feb 23 1995
Last Successful Update:Fri Jun 06 1997
Number of topics:1348
Total number of notes:5438

749.0. "Oracle leaves super AST hanging around?" by SCCAT::DICKEY () Wed Sep 26 1990 21:10

	My apologies if this came up before in this conference (a
	DIR/TITLE=AST flushed up no good prospects).
 
	I'm investigating a problem at a customer site, details of
	which I can provide in a reply if necessary, but basically
	the most promising theory so far is some previous image has
	left an outstanding supervisor mode AST hanging around.
 
	The problem seems to show up after the customer has run
	Oracle's EasySQL program (customer mentioned EasySQL verbally,
	I don't know if this spelling/mixed case embellishment/etc.
	is proper or not, just how I'm representing it here).  We
	don't know at this point whether they've seen the problem in
	a mode where EasySQL wasn't run first.
 
	It's my understanding that Oracle runs in supervisor mode
	to a great extent (I really know nothing about Oracle software).

 	So, my question:
 
	Any of you good folks out there aware of issues where Oracle
	software in general (or "EasySQL" in particular) has left
	supervisor mode AST's hanging around after image exit?  VMS
	is V4.7 so the Oracle edition would be that which runs on
	VMS V4.7.  Thanks in advance; while not trying to "blame"
	Oracle, knowing the answer to this is going to help make the
	case or else say that the most promising theory is rubbish
	and we have to look elsewhere.
 
						Bill Dickey
 
						Western Region Systems Support
    
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749.1Problem was old Oracle software.SCCAT::DICKEYTue Oct 09 1990 23:3912
    Just in case anyone else ever sees the same thing (symptom here was
    a user CTRL-Y'ing or CTRL-C'ing to abort something, typically a
    "$ TYPE *.LIS" at some point after exiting Oracle's EasySQL...
    this would result in a compute-bound "runaway process" unresponsive
    to the user, so the user would have to log in somewhere else to
    kill the runaway) . . . the answer is:
    	Yes.  Oracle's EasySQL leaves outstanding supervisor mode
    	AST's hanging around . . . this was in V5 of Oracle software,
    	fixed in V6 which is compatibile with VMS 4.6 (or 4.7, I
    	forget which, but one of the "last" of the VMS V4's) and
        later, i.e. V5.x VMS.