hw_emu deadlocks on gemm_small.py example

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hw_emu

After setting up my Vitis and Aries environment variables, I ran the following for hw_emu:

python3 gemm_small.py
cd my_project
make all
cd project
make all TARGET=hw_emu
make run_emu TARGET=hw_emu

The QEMU boots up, and I am able to run the hostexe inside of the emulator:

./hostexe vck190_aie_base_graph_hw_emu.xclbin 0 1

but it just hangs / deadlocks.