If you encounter a problem using the Energy Probe, consult the following list of potential problems and error messages.
| Problem | Solution |
|---|---|
Difficulty running caiman from Streamline. |
Run
Information to assist with debugging is displayed. If no messages are printed after a few seconds, you can kill If there are no problems, the |
Error message generated:
|
Disconnect and reconnect the Energy Probe, and ensure the Energy Probe properly enumerates with the OS. This problem can occur on some operating systems that do not properly re-enumerate the Energy Probe device after rebooting, or going into sleep or hibernate. |
Error message generated:
|
Check the permissions of /dev/ttyACM0. You might need to add your username to a group or modify the permissions of /dev/ttyACM0. If the problem persists, a different program might be using the device. Use lsof to debug further. On Ubuntu, after plugging in the Energy Probe, the modem-manager opens the device for a while. |
| The power values in Streamline look incorrect. | Ensure that the shunt resistor values are correct in the Energy capture section of the Capture Settings dialog box. |
| Missing channels. | Ensure either power, voltage, or current is checked in the Energy capture section of the Capture Settings dialog box. |
| Data is reporting zero or close to zero values. | Check the connections. If you are using the Energy Probe, ensure that the green LED is on. |
Error message generated:
|
Your host platform does not support udev or is missing the udev headers. Either install libudev-dev, or equivalent, or disable udev support in CMakeLists.txt by setting SUPPORT_UDEV to 0. |