Experimental Physics and Industrial Control System
Hi,
it seems that CA output links do not work at all during PINI processing if
the target record is on the same IOC.
The following simple database demonstrates this:
record(bo,"source") {
field(PINI,"YES")
field(VAL,"1")
field(OUT,"target CA")
}
record(bo,"target") {
}
aragon: ~/tmp > camonitor -n source target
source *** Not connected (PV not found)
target *** Not connected (PV not found)
source 2009-02-16 11:53:05.079778 1 LINK INVALID
target <undefined> 0 UDF INVALID
This is what the IOC says about the records after iocInit:
epics> dbpr target
ASG: DESC: DISA: 0 DISP: 0
DISV: 1 NAME: target RBV: 0 RVAL: 0
SEVR: INVALID STAT: UDF TPRO: 0 VAL: 0
epics> dbpr source
ASG: DESC: DISA: 0 DISP: 0
DISV: 1 NAME: source RBV: 0 RVAL: 1
SEVR: INVALID STAT: LINK TPRO: 0 VAL: 1
I think this is a bug, as I could not find any note on this behaviour in the
Developer's Guide.
Cheers
Ben
--
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