Hi all, I am using the latest version of gem5-dev. I encountered a system hang shortly after restoring from a checkpoint. Here is what I did:
1. Take a checkpoint with atomic CPU, with X86_MOESI_hammer protocol: ./build/X86/gem5.opt configs/example/fs.py --num-cpus=4 --caches --l2cache --l1d_size=32768B --l1d_assoc=8 --l2_size=256kB --l2_assoc=8 --cacheline_size=64 --l1i_size=32768B --l1i_assoc=8 --cpu-type=atomic --num-l2caches=4 --script=configs/boot/hack_back_ckpt.rcS 2. Restore from this checkpoint using O3 CPU: ./build/X86_MOESI_CMP_directory/gem5.opt configs/example/fs.py --num-cpus=4 --caches --l2cache --l1d_size=32768B --l1d_assoc=8 --l2_size=256kB --l2_assoc=8 --cacheline_size=64 --l1i_size=32768B --l1i_assoc=8 --num-l2caches=4 -r 1 --script=../scripts/blackscholes_4c_test.rcS --cpu-type=detailed Then I connected to port 3456, the system freezed shortly after displaying: loading new script... I did a google search and found out that somebody else had reported this behavior but I did not find any solutions yet. Any thoughts on this? Thank you in advance. Best, Chongxi
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