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Conference bulova::decw_jan-89_to_nov-90

Title:	DECWINDOWS 26-JAN-89 to 29-NOV-90
Notice:	See 1639.0 for VMS V5.3 kit; 2043.0 for 5.4 IFT kit
Moderator:	STAR::VATNE

Created:	Mon Oct 30 1989
Last Modified:	Mon Dec 31 1990
Last Successful Update:	Fri Jun 06 1997
Number of topics:	3726
Total number of notes:	19516

223.0. "DwtSTextReplace aborts with SYSTEM-F-OPCDEC" by KERNEL::WOOD (Richard Wood - UK Workstation Support) Thu Feb 16 1989 10:04

    I have a customer who is running DECwindows on a VAXstation 3500.
    He has a large program which aborts consistently with
    SYSTEM-F-OPCDEC whilst in a call to DwtSTextReplace, the actual
    instruction according to the customer is MFPR ( Move From Process
    Register ).
    When using a cut down version of his code, the call works fine!
    
    Does anybody have any suggestions as to why he should be getting
    this message.
    
    Any help appreciated
    
    More info available on request.
    
    Rich

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223.1 Program bug? ISLAV::OLAV Do it in parallel! Sat Feb 18 1989 12:49 7

T.R	Title	User	Personal Name	Date	Lines
223.1	Program bug?	ISLAV::OLAV	Do it in parallel!	`Sat Feb 18 1989 12:49`	7
	The most likely cause for theese kind of problems is that the program is writing to memory locations that is shouldn't. Check for indexing outside arrays etc. If its written in a high level language turn on /CHECK=ALL, if it's written in C spend some hours in the debugger. Olav

The most likely cause for theese kind of problems is that the program is
writing to memory locations that is shouldn't. Check for indexing outside
arrays etc. If its written in a high level language turn on /CHECK=ALL,
if it's written in C spend some hours in the debugger.

Olav