Re: No monitor refresh

[Hinko Kocevar <hinko.kocevar@i-tech.si>]

Hello Ralph,

On 05/11/10 15:21, Ralph Lange wrote:
> Hello Hinko,
> 
> what EPICS versions are you using for client and IOC?

IOC and client use 3.14.10 EPICS base version.

> Can you show a dump (dbpr <name>, 4) of the record that you are
> connecting to?

Sure, here it is:
epics> dbpr LIBERA01:ENV:ENV_AGC_MONITOR 4
ACKS: NO_ALARM      ACKT: YES           ASG:                ASP:
0x00000000
BKPT: 0x00          COSV: NO_ALARM      DESC: AGC           DISA: 0

DISP: 0             DISS: NO_ALARM      DISV: 1             DPVT:
0x50c72c00
DSET: 0x7c620840    DTYP: asynInt32     EIST:               EISV:
NO_ALARM
EIVL: 0x0           ELST:               ELSV: NO_ALARM      ELVL: 0x0

EVNT: 0             FFST:               FFSV: NO_ALARM      FFVL: 0x0

FLNK:CONSTANT 0     FRST:               FRSV: NO_ALARM      FRVL: 0x0

FTST:               FTSV: NO_ALARM      FTVL: 0x0           FVST:

FVSV: NO_ALARM      FVVL: 0x0           INP:INST_IO @asyn(ENV, 725, 1.0)

LALM: 1             LCNT: 0             LSET: 0xe8752e00    MASK:
4294967295
MLIS: 0x38d0320060d0320003000000        MLOK: 0x28700b00    MLST: 1

NAME: LIBERA01:ENV:ENV_AGC_MONITOR      NIST:               NISV:
NO_ALARM
NIVL: 0x0           NOBT: 0             NSEV: NO_ALARM      NSTA:
NO_ALARM
ONST: AUTO          ONSV: NO_ALARM      ONVL: 0x1           ORAW: 1

PACT: 0             PHAS: 0             PINI: YES           PPN:
0x00000000
PPNR: 0x00000000    PRIO: LOW           PROC: 0             PUTF: 0

RDES: 0xa8a10300    RPRO: 0             RSET: 0x34b70a40    RVAL: 1

SCAN: I/O Intr      SDEF: 1             SDIS:CONSTANT       SEVR:
NO_ALARM
SHFT: 0             SIML:CONSTANT       SIMM: NO            SIMS:
NO_ALARM
SIOL:CONSTANT       SPVT: 0x388a2f00    STAT: NO_ALARM      SVAL: 0

SVST:               SVSV: NO_ALARM      SVVL: 0x0           SXST:

SXSV: NO_ALARM      SXVL: 0x0           TEST:               TESV:
NO_ALARM
TEVL: 0x0           THST:               THSV: NO_ALARM      THVL: 0x0

TIME: 2010-05-11 11:18:40.100440000     TPRO: 0             TSE: 0

TSEL:CONSTANT       TTST:               TTSV: NO_ALARM      TTVL: 0x0

TVST:               TVSV: NO_ALARM      TVVL: 0x0           TWST:

TWSV: NO_ALARM      TWVL: 0x0           UDF: 0              UNSV:
NO_ALARM
VAL: 1              ZRST: MANUAL        ZRSV: NO_ALARM      ZRVL: 0x0


> What field of that record are you connecting to?

I did no specify any field - so it is VAL, I guess by default.

Thank you!

Regards,
Hinko

> 
> Regards,
> Ralph
> 
> 
> On Tue 11 May 2010 6:26:48 Hinko Kocevar wrote:
>> Hi all,
>>
>> I'm experiencing some strange behavior when using camonitor against an
>> EPICS IOC.
>>
>> For some reason a CA_PROTO_EVENT_ADD response from IOC to CA client does
>> not arrive, or arrives several minutes later after the PV value has
>> changed. Note that first CA_PROTO_EVENT_ADD response is seen always,
>> only latter CA_PROTO_EVENT_ADD responses do not arrive (or arrive late)?!
>> This behavior is not seen always - sometimes the IOC would promptly
>> respond with CA_PROTO_EVENT_ADD response when needed.
>>
>> I can see the CA_PROTO_ECHO requests/responses fine on the same
>> camonitor channel link, only CA_PROTO_EVENT_ADD response is not seen.
>>
>> Inspecting the IOC I can see that the value did change (on lower levels)
>> and caput response is also valid - updated with new value.
>>
>> I've ruled out the network problems, since the issue is raised even when
>> using cross-over cable to communicate with the IOC. Actually even I
>> update the value in the IOC shell, the camonitor is not refreshed!!
>>
>>
>>
>> Has someone experienced something similar?
>> Are there some conditions that need to fulfilled in order for IOC to
>> send a subsequent CA_PROTO_EVENT_ADD response(s)?
>>
>>
>>
>> TIA & HAND,
>> Hinko
> 


-- 
Hinko Kocevar
Technical support software engineer
Instrumentation Technologies
Velika pot 22, SI-5250 Solkan - Slovenia
T:+386 5 3352600, F:+386 5 3352601
mailto: hinko.kocevar@i-tech.si

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