Experimental Physics and
Industrial Control System

Peter Milne via Tech-talk <tech-talk at aps.anl.gov> · Tue, 28 Apr 2020 08:52:46 +0100

Hello Yamamoto-san

Thank you for your feedback..

On 28/04/2020 01:05, Noboru Yamamoto wrote:

Hi,

If you are running Stream Device and EPICS7 on a 64bit system,
following post will help you to solve the problem.

https://github.com/paulscherrerinstitute/StreamDevice/pull/52/commits

Actually, our target is 32bit, but your comment is appreciated and still relevant, thank you.

I found that, by reverting to Stream Device to the previous version 2.8.8, correct operation is restored. So it seems that Stream Device is broken for my configuration somewhere between 2.8.8 and 2.8.12, maybe something to do with 64bit support.

Is it possible that SD#2.8.12 in general is good for 64-bit architectures, but broken for 32-bit?.

My plan is to run with 2.8.8 for now to support shipments, then to bisect Stream Device to find the point of failure when time permits.

Regards

Peter

regards,

Noboru Yamamoto
Acc. control group
J-PARC/KEK
JAPAN

----- Original Message -----

Hello Techtalk, especially Dirk ..

After building a new EPICS7 installation, following the useful HOWTO (

Thanks!)

https://docs.epics-controls.org/projects/how-tos/en/latest/getting-started/installation.html#install-streamdevice-by-dirk-zimoch-psi

The IOC is up and running, and mostly working on an existing large (3K)

  record set.

dbior "stream"
Driver: stream
    StreamDevice 2.8.12 built Apr 27 2020 10:02:57
    (C) 1999 Dirk Zimoch (dirk.zimoch at psi.ch)
    registered bus interfaces:
      DebugInterface
      DummyInterface
      AsynDriverInterface

But, it's not happy:

2020/04/27 09:32:24.041808 S2 acq2106_182:2:SYNC:r: Format "%d" has

data type signed which is not supported by "acq2106_182:2:SYNC:r".

2020/04/27 09:32:24.042966 S0WR acq2106_182:0:WR:TS:rc: Format "%d"

has data type signed which is not supported by "acq2106_182:0:WR:TS:rc".

2020/04/27 09:32:24.044793 S3 acq2106_182:3:SYNC:r: Format "%d" has

data type signed which is not supported by "acq2106_182:3:SYNC:r".

2020/04/27 09:32:24.045783 S1_480 acq2106_182:1:ACQ480:TWO_LANE:

Format "%d" has data type signed which is not supported by "acq2106_182:
1:ACQ480:TWO_LANE".

2020/04/27 09:32:24.046208 S4_480 acq2106_182:4:ACQ480:TWO_LANE:

Format "%d" has data type signed which is not supported by "acq2106_182:
4:ACQ480:TWO_LANE".

.. there are hundreds of them..

The existing records are mostly mbbi. The format should write into the

VAL field.

Other conversions, eg %s work OK.

Did base or StreamDevice tighten up the requirements for this?

The line of code that makes the message hasn't changed:
StreamCore.cc#1317
                              error("%s: Format \"%%%s\" has data type %

s which is not supported by \"%s\".\n",

                                  name(), formatstring(),

StreamFormatTypeStr[fmt.type], fieldAddress ? fieldName : name());

Our previous implementation was EPICS7 base, but really just EPICS3,

no EPICS4. Now we've included EPICS4 (not that that should make a
difference).

Thanks

Peter

--
Peter Milne
Director of Sales
www.d-tacq.com

--
Peter Milne
Director of Sales
www.d-tacq.com

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System