Hello, I believe I have found a bug in the O3 cpu model. I have simply adjusted the renameWidth from 8 to 16 in src/cpu/o3/O3CPU.py. Doing this causes the commit unit to seg fault at line 1286 in src/cpu/o3/commit_impl.hh.
It appears the fromRename buffer size is incorrect (value of 55356032). This is causing the loop to access invalid locations in the fromRename buffer. This is with the latest gem5-stable. command line: build/ALPHA/gem5.debug configs/example/se.py --cpu-type=detailed --caches -c $BENCHMARK Thanks, Jordan
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