Re: IOC error

[Ralph Lange <ralph.lange@gmx.de>]

Note that the screenshot shows the cbHigh thread failing the assert and getting suspended.

That would limit the candidate records to those with PRIO=HIGH.

Or - in the case of memory corruption - it would be a sign of memory corruption. (*Sigh.*)

~Ralph

On Fri, Jan 26, 2018 at 7:31 PM, Michael Davidsaver <mdavidsaver@gmail.com> wrote:

I think the assertion which is failing is at:

https://github.com/epics-base/epics-base/blob/3.14/src/db/dbNotify.c#L405

This code is involved with the CA put w/ callback operation.

The function dbNotifyCompletion() isn't called from many places in Base.

https://github.com/epics-base/epics-base/blob/3.14/src/db/dbAccess.c#L647

https://github.com/epics-base/epics-base/blob/3.14/src/db/recGbl.c#L259

In both places, the call is conditional on PPN!=NULL, which is what the
assert() is asserting.  So either dbNotifyCompletion() is being called
from some other code, or there is some memory corruption.

A stack trace should distinguish between these two possibilities.