[Info-vax] CPU/Core temp reporting anomaly

[Rich Jordan]

Has anyone had issues using the "TEMPERATURE_VECTOR" argument to F
$GETSYI()?  I've got a polling monitor running on a DS10 (VMS V7.3-2)
that reports 41 - 43C steadily for hours to days, then suddenly
reports a temp of 254C for one poll, then drops back to normal.  We're
using this as an stopgap environmental monitor until the facility
fixes the A/C and temp alerts that failed late last week.

The line extracting the temperature is:

$ TEMP = F$INTEGER("%X''F$EXTRACT(30,2,F
$GETSYI("TEMPERATURE_VECTOR"))'")

This has been running fine on a home DS10-L for years; I just built a
procedure around it to alert via email if limits were exceeded.  The
DS10-L never had this occur (but was running V8.2 or later).  Its
certainly possible this is a V7.3-2 issue (and the box cannot be
upgraded at this time).  I do know it is responsive since the code
also ran on the work DS10-L when it had its rear fan failure
(discussed here some weeks ago) and it clearly followed the rising and
falling temps as the fans were switched in and out  (the rebuilt fan
is still working great BTW).

Thanks for any thoughts.