Re: S_errno_ENOENT on loading motorUtils.db

[Mrinal Bera via Tech-talk <tech-talk at aps.anl.gov>]

Thanks Andrew for the suggestion to look at the existence of the file. I found that there was a typo in the file path: instead of ‘motorUtil.db' I typed ‘motorUtils.db’. Correcting the typo fixed the issue. Now everything is running fine.

Thanks again!

Best,

Mrinal

  

Mrinal Kanti Bera, PhD
NSF’s ChemMatCARS
University of Chicago
9700 S Cass Ave Bldg 434D
Argonne, IL-60439
United States
Phone: +1-630-252-0472

On Apr 19, 2022, at 9:47 PM, Andrew Johnson <anj at anl.gov> wrote:

Hi Mrinal,

On 4/19/22 12:12 PM, Mrinal Bera via Tech-talk wrote:

Thanks to Mark Rivers and APS-BCDA Group, I could successfully build a new VME Crate system with EPICS 7.0.4 and vxWorks 6.9.4 with the following hardware configuration:

1) MVME 3100

2) MAXv 8000

3) OMS StepPak SPD-32M Motor Drivers

While booting the MVME board I am getting the following error while loading the motorUtils.db and couldnot figure out the reason.

epics> dbLoadRecords("$(MOTOR)/db/motorUtils.db","P=CRL15Sraight:")

filename="../dbStatic/dbLexRoutines.c" line number=271

S_errno_ENOENT dbRead opening file /home/epics/synApps/support/motor-R7-2-2/db/motorUtils.db

dbLoadRecords: failed to load '/home/epics/synApps/support/motor-R7-2-2/db/motorUtils.db'

That is a not-terribly friendly message that I think just means "file not found". You are loading an nfsCommands file but oes your VxWorks system have the /home/epics/synApps path mounted? Try typing

ls "/home/epics/synApps/support/motor-R7-2-2/db/motorUtils.db"

at the shell, my guess is that it won't be able to find it and that you will need to adjust what you're mounting, or maybe have the application install the file into its own db directory and load it from there.

HTH,

- Andrew

-- 
Complexity comes for free, Simplicity you have to work for.