I can't get data. mDV and DV showed the same failed behavior. (They did nothing when you request data).

I looked in the daqd log files:

/cvs/cds/caltech/target/fb/daqd.log had:

[Tue Aug 31 22:01:37 2010] ->19: version
[Tue Aug 31 22:01:37 2010] ->19: revision
[Tue Aug 31 22:01:37 2010] no_average=1

Tue Aug 31 22:01:37 2010 [16601]:decimation flag=1
[Tue Aug 31 22:01:37 2010] ->19: start net-writer 967351844 20 {"C2:ATF-CTRL_ISS_1_OUT_DAQ" 256}
[Tue Aug 31 22:01:37 2010] UNIX connect(); errno=111

[Tue Aug 31 22:01:37 2010] connection closed on fd=20

The channel I requested is shown as being written in the C2ATF.ini file.

/cvs/cds/caltech/target/fb1/daqd.log had:

[Tue Aug 31 21:42:30 2010] ->8: revision
[Tue Aug 31 21:42:30 2010] ->8: status channels 3
[Tue Aug 31 21:42:30 2010] connection on fd 10 closed
[Tue Aug 31 21:42:31 2010] connection on port 38943 from 10.0.1.11; fd=17
[Tue Aug 31 21:42:32 2010] ->8: version
[Tue Aug 31 21:42:32 2010] ->8: revision
[Tue Aug 31 21:42:32 2010] ->8: gps
[Tue Aug 31 21:42:32 2010] connection on fd 17 closed
CA.Client.Exception...............................................
    Warning: "Virtual circuit unresponsive"
    Context: "10.0.0.3:5064"
    Source File: ../tcpiiu.cpp line 921
    Current Time: Tue Aug 31 2010 21:43:43.255113000
..................................................................
CA.Client.Exception...............................................
    Warning: "Virtual circuit unresponsive"
    Context: "10.0.0.2:5064"
    Source File: ../tcpiiu.cpp line 921
    Current Time: Tue Aug 31 2010 21:44:20.907151000
..................................................................
CA.Client.Exception...............................................
    Warning: "Virtual circuit unresponsive"
    Context: "10.0.0.3:5064"
    Source File: ../tcpiiu.cpp line 921
    Current Time: Tue Aug 31 2010 21:45:43.759006000
..................................................................
CA.Client.Exception...............................................
    Warning: "Virtual circuit unresponsive"
    Context: "10.0.0.2:5064"
    Source File: ../tcpiiu.cpp line 921
    Current Time: Tue Aug 31 2010 21:47:12.898705000
..................................................................
CA.Client.Exception...............................................
    Warning: "Virtual circuit unresponsive"
    Context: "10.0.0.3:5064"
    Source File: ../tcpiiu.cpp line 921
    Current Time: Tue Aug 31 2010 21:49:51.762671000
..................................................................
CA.Client.Exception...............................................
    Warning: "Virtual circuit unresponsive"
    Context: "10.0.0.2:5064"
    Source File: ../tcpiiu.cpp line 921
    Current Time: Tue Aug 31 2010 21:53:36.383864000
..................................................................
CA.Client.Exception...............................................
    Warning: "Virtual circuit unresponsive"
    Context: "10.0.0.3:5064"
    Source File: ../tcpiiu.cpp line 921
    Current Time: Tue Aug 31 2010 21:53:58.267296000
..................................................................
CA.Client.Exception...............................................
    Warning: "Virtual circuit unresponsive"
    Context: "10.0.0.2:5064"
    Source File: ../tcpiiu.cpp line 921
    Current Time: Tue Aug 31 2010 21:55:14.367285000
..................................................................
CA.Client.Exception...............................................
    Warning: "Virtual circuit unresponsive"
    Context: "10.0.0.2:5064"
    Source File: ../tcpiiu.cpp line 921
    Current Time: Tue Aug 31 2010 21:56:37.363180000
.................................................................

I then restarted the daq daemon on fb1 (sudo pkill daqd), and the logfile poopped this out:

A call to "assert (pE == &entry)" failed in ../../cds/project/daq/fb2/exServer.h line 346.
EPICS Release EPICS R3.14.10- $R3-14-10-RC2$ $2008/10/10 15:01:51$.
Current time Tue Aug 31 2010 22:02:42.341179000.
Please E-mail this message to the author or to tech-talk@aps.anl.gov
Calling epicsThreadSuspendSelf()
[Tue Aug 31 22:02:43 2010] Minute trender made GPS time correction; gps=967352577; gps%60=57\

Dataviewers error was:

Connecting to NDS Server fb (TCP port 8088)
Connecting.... done
read(); errno=0
LONG: DataRead = -1
No data found

read(); errno=9
read(); errno=9
T0=10-09-01-05-13-55; Length=10 (s)
No data output.