Re: Subfile weirdness

[Terrence Enger <tenger@xxxxxxxxxxxxxxxx>]

On Tue, 2010-08-03 at 10:47 -0400, Jon Paris wrote:
> Comments in-line Simon.
>
>
> Jon Paris
>
> www.Partner400.com
> www.SystemiDeveloper.com
>
>
>
> On Aug 3, 2010, at 8:01 AM, rpg400-l-request@xxxxxxxxxxxx wrote:
>
> > > Most times it works - but under some circumstances it just freezes on
> > > X-WAIT.  When this happens the RPG program does not get control
> > > (witness debug) - there is no error message - nothing in the job  
> > > log -
> > > just nothing.
> >
> > This suggests an emulator defect rather than a sub-file problem.
> >
> > I presume you're using PC5250. X-WAIT is not listed in the help text
> > for my version of the emulator (5.7) but it suggests the emulator is
> > waiting for a host response (i.e., from the telnet server). It may be
> > that X-WAIT replaces the X-clock_symbol in my version.
>
> Actually I'm using Mocha and TN5250J. Same problem with both.
>
> > Next question is whether this problem manifests only with this trivial
> > sub-file or does it show with other F-key responses?
>
> This got me thinking and it has led me forwards (but I've had to move  
> onto other things for the moment). It did respond to the F3 key. So I  
> began to wonder if the volume of data in the subfile might be an  
> issue. Tried again with debug and before the initial display  
> restricted the number of records to 13 (down from 500). As a result I  
> did get debug control back after an F-key was pressed. Prog steps  
> through just fine but hangs at the point where the subfile control  
> record is being displayed. Interestingly the main subfile display did  
> come back and overwrite the debug screen

So, I conclude that you are using the green-screen debugger.

>                                          but I couldn't get control  
> back as the debug step functions were not active. 

Do you mean that STRDBG rejected F10 or F22 on the EXFMT or last
O-spec of the control record (depending on your compile options)?

>                                                   Only F3 was active  
> and it exited cleanly. 

Just for the fun of it, you might try to annoy the program a little
bit differently.  Does the behaviour change if you direct the dspf to
a different session from STRDBG using OVRDSPF DEV()?

Cheers,
Terry.

>                        It seems as if I may have a problem related to  
> the volume of data in the subfile - so I guess I need to revisit the  
> PTF levels.
>
> > Also, does it manifest on other emulators or other client systems?
>
> Mac and PC. TN5250J and Mocha.
>
> > Anything of interest in the job log of the telnet server (QTVTELNET)
> > or device manager (QTVDEVICE) jobs?
>
> Absolutely zip in both.
>
> > > Anyone got a clue as to what could possibly cause this? It is running
> > > on a V7 box which I am told is fully PTF'd.
> >
> > Host might be fully PTFed but is PC5250 up to date?
>
> Not using it but the emulators in use seem to be current.