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<== Date ==> <== Thread ==>
Subject: dbpf error - Operation not permitted at IOC initialization
From: "Marco A. Barra Montevechi Filho via Tech-talk" <tech-talk at aps.anl.gov>
To: "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov>
Date: Tue, 14 Jun 2022 20:20:14 +0000
Hello and good evening, all.

We are running an OPCUA IOC which works relatively fine. The IOC had some problems with PINI so we defined a few dbpf's in some PROC fields in its st.cmd file, right after iocInit.
At initialization i often get several "Operation not permitted - dbPutField error" which i believe might be another version of the problem we were having with the PINI field. However, if i initialize the IOC, wait for my epics terminal and type:

dbpf <MY_PV>.PROC 1
dbpf <MY_PV>.PROC 0

it works just fine.

Based on this, can i assume my links are not connected yet when the first dbpfs are called? How do i debug this kind of problem?
If my links are indeed not connected and i should wait for connection, what is the EPICS recommended way of doing this?
I append the IOC initialization log at the end of this message. Thanks in advance for any help 🙂


#!/usr/local/epics/apps/OPCUA_IOC/bin/linux-x86_64/OPCUAIOC
cd ..
epicsEnvSet IOC OPCUAIOC
epicsEnvSet("IOCNAME", "MGN-A-OPCUA")
dbLoadDatabase "/usr/local/epics/apps/OPCUA_IOC/dbd/OPCUAIOC.dbd",0,0
OPCUAIOC_registerRecordDeviceDriver pdbbase
drvOpcuaSetup("opc.tcp://10.32.8.200:4840","","",0)
dbLoadRecords("/usr/local/epics/apps/config/OPCUA/MGN_PPS_GLOBAL.db","P=MGN:G:,Q=PPS01")
dbLoadRecords("/usr/local/epics/apps/config/OPCUA/MGN_PPS_MACHINE.db","P=MGN:M:,Q=PPS01")
dbLoadRecords("/usr/local/epics/apps/config/OPCUA/MGN_PPS_FE.db","P=MGN:F:,Q=PPS01")
dbLoadRecords("/usr/local/epics/apps/config/OPCUA/MGN_PPS_OEA.db","P=MGN:A:,Q=PPS01")
dbLoadRecords("/usr/local/epics/apps/config/OPCUA/MGN_PPS_ESB.db","P=MGN:B:,Q=PPS01")
setIocLogDisable 1
# See init warnings
opcuaDebug(1)
iocInit
Starting iocInit
############################################################################
## EPICS R3.14.12.8
## EPICS Base built Nov  5 2018
############################################################################
cas warning: Configured TCP port was unavailable.
cas warning: Using dynamically assigned TCP port 33251,
cas warning: but now two or more servers share the same UDP port.
cas warning: Depending on your IP kernel this server may not be
cas warning: reachable with UDP unicast (a host's IP in EPICS_CA_ADDR_LIST)
OpcUaSetupMonitors Browsepath ok len = 0
DevUaSubscription::createMonitoredItems

Add monitored items to subscription ...
iocRun: All initialization complete
# Be quiet
opcuaDebug(0)
opcuaStat(0)
OpcUa driver: Connected items: 67
dbpf MGN:M:PPS01:HABILITACAO_MAQUINA.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:M:PPS01:HABILITACAO_MAQUINA.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:G:PPS01:SYSTEM_STATUS.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:G:PPS01:SYSTEM_STATUS.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:G:PPS01:FALHA_GLOBAL.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:G:PPS01:FALHA_GLOBAL.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:G:PPS01:EMERGENCIA_GLOBAL.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:G:PPS01:EMERGENCIA_GLOBAL.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:G:PPS01:ACQ_REC_GLOBAL.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:G:PPS01:ACQ_REC_GLOBAL.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:G:PPS01:ACK_OP_Q.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:G:PPS01:ACK_OP_Q.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:F:PPS01:PG_STATUS.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:F:PPS01:PG_STATUS.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:F:PPS01:PG_FEEDBACK.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:F:PPS01:PG_FEEDBACK.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:F:PPS01:HABILITACAO_EPS.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:F:PPS01:HABILITACAO_EPS.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:F:PPS01:FOEPGCYCLES.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:F:PPS01:FOEPGCYCLES.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:F:PPS01:FOEOPENCLOSE.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:F:PPS01:FOEOPENCLOSE.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:B:PPS01:SEARCH_OK.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:SEARCH_OK.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PROCURA_FINALIZADA.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PROCURA_FINALIZADA.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PROCURA_EM_ANDAMENTO.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PROCURA_EM_ANDAMENTO.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO2_OSSD.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO2_OSSD.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO2_LOCK.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO2_LOCK.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO2_CLOSED.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO2_CLOSED.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO1_OSSD.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO1_OSSD.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO1_LOCK.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO1_LOCK.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO1_CLOSED.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:PIZZATO1_CLOSED.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:LC_INT.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:LC_INT.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:LC_EXT.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:LC_EXT.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:ESB_LAB_KEY.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:ESB_LAB_KEY.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:ESB_HABILITADA.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:ESB_HABILITADA.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_SP4.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_SP4.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_SP3.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_SP3.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_SP2.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_SP2.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_SP1.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_SP1.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_LC_INT.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_LC_INT.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_KPF.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_KPF.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_ESB.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:EMERGENCIA_ESB.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:ABB_OSSD.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:ABB_OSSD.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:ABB_LOCK.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:ABB_LOCK.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:ABB_INFO.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:B:PPS01:ABB_INFO.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:SEARCH_OK.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:SEARCH_OK.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:RESET_KEY.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:RESET_KEY.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:RAD_KEY.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:RAD_KEY.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PROCURA_FINALIZADA.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PROCURA_FINALIZADA.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PROCURA_EM_ANDAMENTO.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PROCURA_EM_ANDAMENTO.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO2_OSSD.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO2_OSSD.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO2_LOCK.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO2_LOCK.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO2_CLOSED.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO2_CLOSED.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO1_OSSD.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO1_OSSD.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO1_LOCK.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO1_LOCK.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO1_CLOSED.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PIZZATO1_CLOSED.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PG_STATUS.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PG_STATUS.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PG_FEEDBACK.PROC 1
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:PG_FEEDBACK.PROC 0
filename="../dbTest.c" line number=364
Operation not permitted - dbPutField error

dbpf MGN:A:PPS01:OEA_HABILITADA.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:OEA_HABILITADA.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:OEAPGCYCLES.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:OEAPGCYCLES.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:O3_FAILURE.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:O3_FAILURE.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:O3_ALARM_2.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:O3_ALARM_2.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:O3_ALARM_1.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:O3_ALARM_1.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:O3.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:O3.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:O2_FAILURE.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:O2_FAILURE.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:O2_ALARM.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:O2_ALARM.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:O2.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:O2.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:LC_INT.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:LC_INT.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:HABILITACAO_EPS.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:HABILITACAO_EPS.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:ESB_KEY.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:ESB_KEY.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:EMERGENCIA_SP1.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:EMERGENCIA_SP1.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:EMERGENCIA_OEA.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:EMERGENCIA_OEA.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:EMERGENCIA_LC_INT.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:EMERGENCIA_LC_INT.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:EMERGENCIA_KPF.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:EMERGENCIA_KPF.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:ABB_OSSD.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:ABB_OSSD.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:ABB_LOCK.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:ABB_LOCK.PROC 0
DBR_UCHAR:          0         0x0                
dbpf MGN:A:PPS01:ABB_INFO.PROC 1
DBR_UCHAR:          1         0x1                
dbpf MGN:A:PPS01:ABB_INFO.PROC 0
DBR_UCHAR:          0         0x0                
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Re: dbpf error - Operation not permitted at IOC initialization Eric Norum via Tech-talk
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