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CCS/EK-TM4C123GXL: Connecting to launchpad in Ubuntu

Part Number: EK-TM4C123GXL
Other Parts Discussed in Thread: TM4C123GE6PM, EK-TM4C1294XL

Tool/software: Code Composer Studio

CCS gives me an ambiguous error when attempting to connect to the target device in Ubuntu, "CORTEX_M4_0: Error connecting to the target: Unable to communicate with the device. Please check your connection." The same error appears if the Lauchpad is unplugged from the USB port.

I can connect to the device by rebooting my computer into a Windows partition on the same PC. The Launchpad connects just fine in the same USB port. Is there something special I have to do in Linux?

I am using Ubuntu 16.04 and CCS 7.3. Everything is a freshly installed. The target config is from an example project in the resource explorer.The target config is set to Stellaris ICDI and the device is Tiva TM4C123GE6PM.

This problem also applies to the EK-TM4C1294XL.