EPICS Controls Argonne National Laboratory

Experimental Physics and
Industrial Control System

1994  1995  1996  1997  1998  1999  2000  <20012002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024  Index 1994  1995  1996  1997  1998  1999  2000  <20012002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
<== Date ==> <== Thread ==>

Subject: RE: The "scanppl" command only works once
From: Kevin Tsubota <[email protected]>
To: "'Chris Mayer'" <[email protected]>, [email protected]
Cc: [email protected], [email protected]
Date: Tue, 13 Nov 2001 08:46:20 -1000
Just to add to the pot, we are using MV2304's at Keck 
running EPICS R3.12.0Beta12 and DO NOT see this problem.

Kevin Tsubota


> -----Original Message-----
> From: Chris Mayer [mailto:[email protected]]
> Sent: Monday, November 12, 2001 1:44 AM
> To: [email protected]
> Cc: [email protected]; [email protected]
> Subject: Re: The "scanppl" command only works once
> 
> 
> "J. Frederick Bartlett ([email protected])" wrote:
> > 
> >   I have encountered a peculiar problem. The EPICS "scanppl" command
> > (function) can only be executed once and generate output. The second
> > and succeeding executions produce no output. This is true 
> both for the
> > console port and for telnet connections.
> > 
> >   Now it gets interesting. If the telnet connection is 
> terminated and
> > then reestablished, the "scanppl" command works again (both for the
> > telnet and console port connection) but still only once. 
> Also, we see
> > this only for our PPC platforms (MVME2301 and MVME2304); the MVME162
> > processors allow multiple executions of "scanppl".
> > 
> >   We are currently using version R3.13.4 of EPICS. Anyone have an
> > explanation?
> > 
> 
>     We are running 3.13.4 on PPC's and mv167's and don't see this
> problem. We can execute scanppl as many times as we like 
>     
>      Regards
> 
>       Chris Mayer
> 
> ______________________________________________________________
> _______________
> Observatory Sciences Ltd.          Email: 
> [email protected]
> William James House                Tel: 44 - (0)1223 - 508257
> Cowley Road,                       Fax: 44 - (0)1223 - 508258
> Cambridge, CB4 0WX, UK             
> http://www.observatorysciences.co.uk
> 


Navigate by Date:
Prev: Re: Help about compile CDEV Jie Chen
Next: Re: Help about compile CDEV shen guobao
Index: 1994  1995  1996  1997  1998  1999  2000  <20012002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
Navigate by Thread:
Prev: Re: The "scanppl" command only works once Chris Mayer
Next: et_wish help requested Bill Cruise
Index: 1994  1995  1996  1997  1998  1999  2000  <20012002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
ANJ, 10 Aug 2010 Valid HTML 4.01! · Home · News · About · Base · Modules · Extensions · Distributions · Download ·
· Search · EPICS V4 · IRMIS · Talk · Bugs · Documents · Links · Licensing ·