Experimental Physics and
Industrial Control System

"Sebek, Jim" <[email protected]> · Mon, 12 Feb 2018 12:37:48 -0800

Kiman,

The problem is that mathworks changed some of their mex functions in

2017b, making them incompatible with all but the most recent version of

labCA.  In order to fix a previous incompatibility somewhere between

epics, matlab, windows, etc., a line was inserted for matlab,

mexLock();

around line 280 in ini.cc, located in the glue subdirectory. r2017b

changed the way that mexLock is called.  This caused matlab to crash in

both linux and windows.  This is the probable cause for the error you

have encountered.  Till found that if we commented out the call to

mexLock he was able to get labCA to work in linux.  I repeated the

experiment in windows7 and was able to get labCA to work there as well.

We made this change in our production systems, both linux and windows,

about a month ago and have seen no errors since.

I think that Till has very recently updated his labCA archive to reflect

this change, so the most recent version probably does not have this

problem.

/afs/slac/g/cd/swe/git/repos/package/epics/extensions/labca.git

But I would first try to just comment out mexLock();, rebuild labCA, and

see if your problem is solved.

Jim

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System