Kernel Work-arounds

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A. Before loading the routines

Stub routines "%T", "XMB", and "ZU"

If you have no "%T" routine on your system, create one that just QUITs. %T is not a DHCP routine, but some versions of 'XMYPOST' call it, erroneously.

Similarly, in the "production" namespace, if there is no 'XMB' routine to start with, create a dummy one that just quits.

Also, make sure you start out with a 'ZU' routine. This is the routine to which your user startups will be tied. It should contain an ERR tag, for error trapping. To start with, a "stub routine" like the following is good enough:


B. After loading the "MGR" ('%') routines


Make sure that there is a copy of the 'ZISX' routine in the production account. If not, copy it over from 'MGR'.

C. After loading the 'KIDS' routines (XPD*)


An installation of the Kernel can get hung up thinking that it is not entitled to update the 'XU' package. To kludge around this, add a temporary line after tag


which reads:

I X="XU" Q 7.1


Make sure tag MAIN+9^XUTMTR4 reads as follows:


'Setting $Y' within a parenthesized list causes an error in some implementations.

D. After finishing the installation

Volume set ID

In order to help ensure that MailMan and TaskMan run correctly, be sure that the 'Volume Set' named in


is matched by Files 14.7, 14.5, and 8989.3.

For example, if ^%ZOSF("VOL")="AAA", then there should be an Entry named "AAA" in File 14.7 (the TASKMAN SITE PARAMETERS File), an Entry named "AAA" in File 14.5, (the VOLUME SET File), and the entry in File 8989.3 (the KERNEL SYSTEMS PARAMETER File) should have a "VOLUME SET" multiple named "AAA", too.

That File 8989.3 is supposed to be set up by the routine named XVIRPOST. If you do not have an entry in File 8989.3, you will have to build it in order for Kernel Sign-on to run properly.

Programmer access

When you've created the first user in the NEW PERSON file, you can 'give him programmer access' by entering the following code in direct mode:

SET $PIECE(^($O(^VA(200,"A"),-1),0),"^",4)="@"

This is "the procedure" mentioned in the Kernel V8 Installation Guide on page 65 under the heading Finish Setting Up First User Account.


Speaking of the NEW PERSON file, you'll probably want to use FileMan to Modify Attributes of this File. For example, field 29, "SERVICE/SECTION" should probably be made non-mandatory.

Re-cross-reference PACKAGE file

When you are done installing the Kernel, it's not a bad idea to use FileMan's "RE-CROSS-REFERENCE" utility on File 9.4, the PACKAGE File. This is especially advisable if you have installed the system using a Global load of MUMPS globals.

Number of output lines -- XUPARAM routine

The Kernel is set up to restrict the number of lines of output to a "Spool" or "HFS" (file) device. The appropriate parameter is found in File 8989.3. Alternatively, since aborted output tends to make for grumpy users, you may (optionally) override this restriction by changing tag SPOOL^XUPARAM so that it reads

SPOOL QUIT 999999999

Maximum number of users -- XUS routine

Similarly, users are frustrated when they cannot sign on. Change tag SET1+2^XUS so that "y^1" is replaced by "y^999". This will forestall the

"Maximum number of users already signed on"

message, at log-on.

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