Experimental Physics and
Industrial Control System

"Jeff Hill" <[email protected]> · Wed, 25 May 2005 15:39:41 -0600

Mark,

This is Mantis entry 181. A patch has already been installed (for
R3.14.8).

Jeff

> -----Original Message-----
> From: Mark Rivers [mailto:[email protected]]
> Sent: Wednesday, May 25, 2005 2:56 PM
> To: [email protected]
> Cc: [email protected]
> Subject: Bug in 3.14.7
> 
> Folks,
> 
> I think there are problems in the host name for PVs reported by
> channel
> access in 3.14.7.
> 
> If I use the cainfo utility in 3.14.6 it correctly reports the
> IP name
> of the IOC that is hosting a PV.
> 
> corvette> /usr/local/epics/base-3.14.6/bin/linux-x86/cainfo
> 13LAB:m1.VAL
> 13LAB:m1.VAL
>     State:         connected
>     Host:          ioc13lab.cars.aps.anl.gov:5064
>     Access:        read, write
>     Data type:     DBR_DOUBLE (native: DBF_DOUBLE)
>     Element count: 1
> 
> However, in 3.14.7, it reports the name of the host on which
> the cainfo
> program is running, not the name of the machine that is hosting
> the PV.
> 
> corvette> /usr/local/epics/base-3.14.7/bin/linux-x86/cainfo
> 13LAB:m1.VAL
> 13LAB:m1.VAL
>     State:         connected
>     Host:          corvette.cars.aps.anl.gov
>     Access:        read, write
>     Data type:     DBR_DOUBLE (native: DBF_DOUBLE)
>     Element count: 1
> 
> 
> I have seen the same behavior for other CA clients, i.e. medm.
> Versions
> of medm built against older version of base work correctly when
> the
> right mouse button is clicked and PVinfo is selected.  Versions
> built
> against 3.14.7 report the local host.
> 
> This is all on Linux.
> 
> Mark

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System