A debugger for X10 is available for download from IBM developerWorks. The debugger integrates with X10DT and supports debugging X10 programs compiled with the C++ backend and executing on Linux/Power, Linux/x86, and Linux/x86_64. The debugger GUI is supported on all platforms that are supported by X10DT. The debugger supports remote and multi-node debugging of the executing X10 program.
For more information about the debugger including a movie that demonstrates its features, please see the IBM Parallel Debugger for X10 Programming project . at IBM developerWorks.