Experimental Physics and
Industrial Control System

"Jeff Hill" <[email protected]> · Thu, 10 Apr 2008 08:36:28 -0600

Hi Mark,

I am also surprised by this behavior.

There is probably something going on with the routing tables. 

I would type "route print" into a dos box to find out what up. The
"ipconfig" command is also useful on windows.

Jeff

> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> On Behalf Of Andrew Johnson
> Sent: Wednesday, April 09, 2008 8:11 AM
> To: Mark Rivers
> Cc: EPICS tech-talk
> Subject: Re: Windows EPICS problem
> 
> Hi Mark,
> 
> Mark Rivers wrote:
> >
> > - CA clients on that Windows machine can see PVs on all other machines
> >  on the network
> > - CA clients on other machines on the network can see PVs on the
> >  Windows machine
> >
> > So the problem is only that local Windows clients can not see the PVs
> >  from a soft IOC running on the same computer.  This is only happening
> >  on this computer, not other Windows computers running the same IOC
> >  binary. (They are not running at the same time, so it is not a
> >  duplicate PV name problem).
> >
> > None of the EPICS environment variables are set except:
> > EPICS_CA_MAX_ARRAY_BYTES=10000000
> > EPICS_DISPLAY_PATH=P:/epics/adl
> >
> > The Windows Firewall is not running, nor is any other firewall that I
> >  am aware of.
> 
> Very strange.  Have you tried setting EPICS_CA_ADDR_LIST to localhost
> (127.0.0.1) or even the PC's own IP address (which of course may change
> for your demo) to force it to search itself?
> 
> My guess is it's probably something to do with DLL versions somewhere
> since the problem is only on this machine - do you have two versions of
> ca.dll installed, maybe one from Win32 extensions and another that came
> with the IOC code?
> 
> - Andrew
> --
> When a distinguished but elderly scientist states that something is
> possible, he is almost certainly right.  When he states that something
> is impossible, he is very probably wrong.  -- Arthur C. Clarke

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System