Hi all,
I was trying to run PARSEC and SPLASH-2 benchmarks in ALPHA FS mode with Ruby in the newest Gem5. However, I've run into this error message: warn: Prefetch instructions in Alpha do not do anything info: Entering event queue @ 2618625984500. Starting simulation... Writing checkpoint info: Entering event queue @ 2618625986000. Starting simulation... panic: Possible Deadlock detected. Aborting! version: 18 request.paddr: 0x[0x330000, line 0x330000] m_writeRequestTable: 1 current time: 2618875986000 issue_time: 2618625986000 difference: 250000000 @ cycle 2618875986000 [wakeup:build/ALPHA/mem/ruby/system/Sequencer.cc, line 122] Memory Usage: 1739068 KBytes Program aborted at cycle 2618875986000 I ran this simulation with different protocols, such as MOESI_CMP_directory, MESI_cmp_directory, and MOESI_hammer. But, all simulations ran into same deadlock problem. I used 64 core on mesh topology with 8 mesh row. I've also ran with both detailed and timing cpu types. I have searched the mailing list, but I could not find a solution. It worked with old Gem5 version, I'm not sure why it's doing this in newest Gem5. Do you have any suggestion what I should do to solve this problem? Thanks. Best, Wonje Choi Here is the command line that I've used for the simulation. build/ALPHA/gem5.fast --outdir=m5out/network/fft/ configs/example/ruby_fs.py --cpu-type=timing --num-cpus=64 --caches --l2cache --l1d_size=32kB --l1d_size=32kB --l2_size=8MB --num-dirs=64 --num-l2caches=64 --topology=Mesh --mesh-rows=8 --garnet-network=fixed --checkpoint-dir=m5out/network/fft/ -b fft
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