Experimental Physics and
Industrial Control System

Aloha

 

No not a CAT SCAN, although there are folks who think that may be appropriate in my case.

 

I have bumped into a recent problem that is subsequent to upgrading to r3.13.10 on our PPC/VxWorks IOCs.

 

I have 17 records that are scanned every 10 seconds. Those records are connected to a remote device connected to a serial link. About two weeks ago those records started to stop scanning an hour or so after the IOC is rebooted (done daily) with no error being logged from the drivers (simply no trace of why they stop scanning). When the problem occurs the records’ SEVR fields are set to INVALID and their STAT fields are set to SCAN.

 

Can anyone enlighten me as to what at STAT field value of SCAN implies?

 

Note:  there is one other record in the 10 second scan task and it is happily continuing to scan

          the EPICS upgrade occurred 10 weeks ago

 

Thanks

            Allan