How to switch to inactive threads in cuda-gdb?

Developer Tools CUDA Developer Tools CUDA-GDB
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After hitting a breakpoint in a kernel in cuda-gdb, I tried to switch to a thread not within the current warp of execution, and failed. In such a case, how should I switch my focus?

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2

Hello Ziqi - to help us reproduce this issue, could you show a cut/paste of the output of CUDA GDB when you hit the breakpoint, the command you used to switch threads, and the output from CUDA GDB for that command?

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Can you also show us the output of the following command:

info cuda threads