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s800_daq_tools [2016/02/29 15:00]
pereira [Old processes still running]
s800_daq_tools [2016/02/29 15:03]
pereira [Troubleshooting]
Line 88: Line 88:
  
 ===== Troubleshooting ===== ===== Troubleshooting =====
-There are several common reasons why the S800 DAQ may fails to start. The list below describes what to do to fix these problems.   +There are several common reasons why the S800 DAQ may fails to start. The list below describes what to do to fix these problems. 
 +  * [[#Old processes still running]]   
   * [[#No data sources defined]]   * [[#No data sources defined]]
   * [[#CCUSB and/or VMUSB claimed by existing programs]]   * [[#CCUSB and/or VMUSB claimed by existing programs]]
Line 98: Line 99:
 Sometimes, particularly if the previous S800 DAQ session ended in an uncontrolled way, there may be old processes running (CCUSB and/or VMUSB and/or S800 event builder) that will prevent Readout GUI to begin a run. Whenever this happens (typically after clicking ''Begin'' in Readout GUI), the system sends an error message complaining about one of these processes still running. If you find yourself in this situation try:   Sometimes, particularly if the previous S800 DAQ session ended in an uncontrolled way, there may be old processes running (CCUSB and/or VMUSB and/or S800 event builder) that will prevent Readout GUI to begin a run. Whenever this happens (typically after clicking ''Begin'' in Readout GUI), the system sends an error message complaining about one of these processes still running. If you find yourself in this situation try:  
       - Exit your Readout GUI properly        - Exit your Readout GUI properly 
 +      - On a Linux session, connect to spdaq19 by typing ''ssh -Y s800@spdaq19'' (for S800 password ask operators)
       - Type ''ps aux | grep Readout'' to ensure that Readout is indeed not running       - Type ''ps aux | grep Readout'' to ensure that Readout is indeed not running
       - Type ''/usr/opt/nscldaq/xxxx/bin/ringbuffer status'', where xxxx is the daq version, e.g. 11.0-020       - Type ''/usr/opt/nscldaq/xxxx/bin/ringbuffer status'', where xxxx is the daq version, e.g. 11.0-020
s800_daq_tools.txt · Last modified: 2023/10/19 17:25 by swartzj