Re: writing to aao crashes ioc

[Dirk Zimoch <dirk.zimoch@psi.ch>]

Tim Mooney wrote:
> Dirk,  I was seeing something similar (though in 3.14.11),
> and "dbpr <recordname>,5" showed "DTYP: <nil>",
> until I added the line
> device(aao,CONSTANT,devAaoSoft,"Soft Channel")
> to the .dbd file.

Hi Tim.

That is not the problem:
DTYP: Soft Channel

The ioc also crashes when the aao record is not processed! Thus DTYP 
cannot be the problem.

Dirk

> Tim
>
> Dirk Zimoch wrote:
> > Hi all,
> >
> > When an aao is written by an other record, the ioc crashes. The 
> > problem seems to independent of the DTYP of the aao. I used an 
> > (unofficial) Soft Channel support (attached).
> >
> > Example db:
> >
> > record (aao, "aao1")
> > {
> >     field (FTVL, "DOUBLE")
> >     field (NELM, "10")
> >     field (OUT,  "aao2")
> > }
> >
> > record (aao, "aao2")
> > {
> >     field (FTVL, "DOUBLE")
> >     field (NELM, "10")
> > }
> >
> > record (ao, "ao1")
> > {
> >     field (OUT,  "aao2")
> > }
> >
> > When I write aao1 or ao1 the IOC crashes. (Note that aao2 is not even 
> > processed in that case.) If I write directly into aao2 there is no 
> > problem.
> >
> > Any idea?
> >
> > I am using EPICS R3.14.8.2.
> >
> >
> > Dirk