Some Hints for Troubleshooting in the S117 DAQ System

I)   If the event rate is equals zero, check if there is a trigger :-)


II)  If _ANY_ process dies give the following commands in the same order:

  1) try to stop the acquisition
     command on CVC in crate1        : stop acquisition

  2) terminate all processes on the master-event-builder
     command on E7                   : CRTL-Z

  3) verify that all processes are killed
     command on E7                   : ps -ax

  4) terminate all processes on all slave-readout-CPU's
     command on CVC                   : CRTL-Z
     command on AEB                   : CRTL-E

  5) verify that all processes are killed
     command on CVC                  : ps -ax
     command on AEB                  : procs -ae

  6) delete the SBS-setup-table on the AEB's
     command on AEB                  : del_setup

  7) Create SBS-setup-module in the AEB memory and read the setup from the EBI
     Command on AEB                  : read_setup

  8) Start the slave-readout routines (on CVCs and AEBs)
     Command on all CVC              : sbs
     on sbs prompt in crate1         : @slave1start
     wait for completion!
     on sbs prompt in crate2         : @slave2start
     Command on AEB
     on AEB #3                       : go3
     on AEB #4                       : go4
     on AEB #5                       : go5
     on AEB #6                       : go6

  9) Start the collector and transport processes on the VSB-master processor
     Command                 :       SBS
     on SBS prompt           :       @masterstart

 10) You should be ready now to take data !


III) If a scriptfile (all commands in the SBS beginning with a @
        e.g. @slave1start) hangs during execution the message logger
        may be confused.
  1) Leave the SBS session by pressing CRTL-Z
  2) Stop the whole DAQ, described in I)
  3) Find the PID of the message logger 'm_msg_log'; use the command 'ps -ax'
  4) Kill the message-logger-process using the command 'kill '
  5) Give the following commands to reinitialize the message-logger
        msg_del
        msg_cre
        msg_log&
  6) Goto II.6

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