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Message ID: 4478     Entry time: Thu Mar 31 19:58:11 2011
Author: kiwamu 
Type: Update 
Category: CDS 
Subject: c1iscex crashed 

After I did several things to add new DAQ channels on c1iscex it suddenly became out of network. Maybe crashed.

Then c1iscex didn't respond to a ping and all the epics values associated with c1iscex became not accessible.

I physically shut it down by pushing the reset button. Then it came back and is now running fine.

 


(how I broke it)

Since activateDAQ.py has screwed up the 'ini' files including C1SCX.ini, I was not able to add a channel to C1SCX.ini by the usual daqconfig GUI.

So I started editing it in a manual way with an editor and changed some sentences to that shown below

  [C1:GCX-ERR_MON_IN1_DAQ]
  acquire=1
  chnnum=10004
  datarate=2048
  datatype=4
  [C1:GCX-GRN_REFL_DC_IN1_DAQ]
  acquire=1
  chnnum=10007
  datarate=2048
  datatype=4
  [C1:GCX-SLOW_SERVO1_IN1_DAQ]
  acquire=1
  chnnum=10010
  datarate=2048
  datatype=4

Then I rebooted fb to reflect the new DAQ channels.

After that I looked at the C1_FE_STATUS.adl screen and found some indicator lights were red.

So I pushed "Diag reset" button and "DAQ Reload" button on the C1SCX_GDS_TP.adl screen and then c1iscex died.

After the reboot the new DAQ channels looked acquired happily.

This is my second time to crash a front end machine (see this entry)

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