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<== Date ==> | <== Thread ==> |
---|
Subject: | Re: recDynLink.c and swait.c error messaged during ioc start |
From: | "Gofron, Kazimierz via Tech-talk" <tech-talk at aps.anl.gov> |
To: | Mark Rivers <rivers at cars.uchicago.edu>, "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov>, "mooney at anl.gov" <mooney at anl.gov> |
Date: | Thu, 5 May 2022 14:29:05 +0000 |
Hi Mark & Tim,
I added to st.cmd after envPaths, before iocInit:
```
errlogInit(20000)
callbackSetQueueSize(5000)
```
--------------------
Now there are only swaitRecord.c error messages:
```
epics> ioc_settings.sav: 1575 of 1575 PV's connected
filename="../swaitRecord.c" line number=870
recWait: rngBufGet error
filename="../swaitRecord.c" line number=872
recWait: rngBufGet error
```
These error messages stop after I start the feedback loop for the 1st time
XF:10ID-CT{FbPid:06}PID:on -> On {XF:10ID-CT{FbPid:06}PID.FBON->On}
---------------------
@Tim
./sscan/sscanApp/src/recDynLink.c:int recDynLinkQsize = 256;
Are you suggesting to change it in sscan?
Or add recDynLinkQsize to the ioc, so it appears in
static struct iocshVarDef vardefs[] = {... }
Thank you
Kazimierz
From: Mark Rivers <rivers at cars.uchicago.edu>
Sent: Wednesday, May 4, 2022 5:36 PM To: tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>; Gofron, Kazimierz <kgofron at bnl.gov> Subject: Re: recDynLink.c and swait.c error messaged during ioc start
Hi Kaz,
> errlog: 34 messages were discarded
That error indicates that your message queue is overflowing, so you may be missing important messages. You should put this in st.cmd right after <envPaths
errlogInit(20000)
The error messages themselves might indicate that the callback queue not large enough. I would suggest adding this line before iocInit:
callbackSetQueueSize(5000)
See if adding those fixes the problem.
Mark
From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Gofron, Kazimierz via Tech-talk <tech-talk at aps.anl.gov>
Sent: Wednesday, May 4, 2022 4:09 PM To: tech-talk at aps.anl.gov <tech-talk at aps.anl.gov> Subject: recDynLink.c and swait.c error messaged during ioc start
Hi,
I've been working on EPICS pid ioc for temperature control, that uses Wiener power supply and Keithly 3706A PT1000 sensors scanner.
Recently we updated RHEL8.5 kernel, and I noticed that ioc shows errors since end of April 2022. Update might not be related to OS update. I might also be missing something in the dependency. Perhaps
someone observed this before.
## EPICS R7.0.6
## Rev. R7.0.6
OS: RHEL8.5
During ioc startup, getting error messages from
sscan: / recDynLink.c : 549
precDynLink->onQueue++;
if (epicsMessageQueueTrySend(recDynLinkOutMsgQ, (void *)&cmd,
sizeof(cmd))) {
errMessage(0,"recDynLinkPut: epicsMessageQueueTrySend error");
status = RINGBUFF_PUT_ERROR;
precDynLink->onQueue--;
}
calc: / swait.c : 838/840
recDynLinkGet(precDynLink, &monData, &nRequest,
0, 0,
0);
if (swaitRecordDebug>5)
errlogPrintf("swaitRecord(%s)inputChanged: queuing monitor on
%d =
%f\n",pwait->name,index,monData);
if (epicsRingBytesPut(pcbst->monitorQ, (char *)&index,
sizeof(char))
!= sizeof(char))
errMessage(0,"recWait rngBufPut error");
if (epicsRingBytesPut(pcbst->monitorQ, (char *)&monData,
sizeof(double))
!= sizeof(double))
errMessage(0,"recWait rngBufPut error");
if (swaitRecordDebug>5) {
errlogPrintf("swaitRecord(%s)inputChanged:
%d entries left in monitorQ\n",
pwait->name,
(int)(epicsRingBytesFreeBytes(pcbst->monitorQ)/sizeof(struct qStruct)));
}
calc: / swait.c: 870/872
if (!swaitRecordCacheMode) {
if (epicsRingBytesGet(pcbst->monitorQ, (char *)&inputIndex,
sizeof(char))
!= sizeof(char))
errMessage(0,
"recWait: rngBufGet error");
if (epicsRingBytesGet(pcbst->monitorQ, (char *)&monData,
sizeof(double))
!= sizeof(double))
errMessage(0,
"recWait: rngBufGet error");
=========================
epics> filename="../recDynLink.c" line number=549
recDynLinkPut: epicsMessageQueueTrySend error
filename="../recDynLink.c" line number=549
recDynLinkPut: epicsMessageQueueTrySend error
filename="../recDynLink.c" line number=549
recDynLinkPut: epicsMessageQueueTrySend error
filename="../recDynLink.c" line number=549
recDynLinkPut: epicsMessageQueueTrySend error
filename="../recDynLink.c" line number=549
recDynLinkPut: epicsMessageQueueTrySend error
filename="../recDynLink.c" line number=549
recDynLinkPut: epicsMessageQueueTrySend error
filename="../recDynLink.c" line number=549
recDynLinkPut: epicsMessageQueueTrySend error
filename="../recDynLink.c" line number=549
recDynLinkPut: epicsMessageQueueTrySend error
ioc_settings.sav: 1575 of 1575 PV's connected
errlog: 34 messages were discarded
filename="../swaitRecord.c" line number=840
recWait rngBufPut error
filename="../swaitRecord.c" line number=840
recWait rngBufPut error
filename="../swaitRecord.c" line number=840
recWait rngBufPut error
filename="../swaitRecord.c" line number=840
recWait rngBufPut error
filename="../swaitRecord.c" line number=840
recWait rngBufPut error
filename="../swaitRecord.c" line number=840
recWait rngBufPut error
filename="../swaitRecord.c" line number=840
recWait rngBufPut error
filename="../swaitRecord.c" line number=840
recWait rngBufPut error
filename="../swaitRecord.c" line number=838
recWait rngBufPut error
filename="../swaitRecord.c" line number=840
recWait rngBufPut error
filename="../swaitRecord.c" line number=838
recWait rngBufPut error
filename="../swaitRecord.c" line number=840
recWait rngBufPut error
filename="../swaitRecord.c" line number=872
recWait: rngBufGet error
filename="../swaitRecord.c" line number=870
recWait: rngBufGet error
filename="../swaitRecord.c" line number=872
recWait: rngBufGet error
filename="../swaitRecord.c" line number=870
recWait: rngBufGet error
filename="../swaitRecord.c" line number=872
recWait: rngBufGet error
filename="../swaitRecord.c" line number=870
===================
After ioc boots, the messages stop.
Thanks for the help!
Kazimierz
|