On 12/29/2016 01:55 PM, Mark Rivers wrote:
> What version of EPICS base, asyn, and modbus are you using? I cannot find any error messages in base 3.14.12.5 that contain the string "array too large". Is that the exact error message you are getting?
This may be coming from aSubRecord (though with a capital A in the
message). Prior to Base 3.14.12.3 aSubRecord had an artificial limit of
10000000 bytes per field. Above this limit the array was not allocated
and the field was left as NULL. Which will almost certainly cause a
segfault as no code looks for this.
https://github.com/epics-base/epics-base/commit/71079ede4b86af81805d0e26d99533909fdba7ba#diff-f2f712a57622c71212a8f9d64c005778L94
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