Hi! all, Is it possible to generate a checkpoint on ALPHA RUBY FS mode? And if it is possible, could you tell me weather there are coherences which do not support the checkpointing feature?
I got following error message during checkpointing on the ALPHA_MOESI_hammer full system mode. I built gem5 in latest version in reop.gem5.org scons version: 2.1.0 swig version: 1.3.40 I used linux-2.6.27 kernel with tsb_ospal. The dist image was the image including precompiled Parsec benchmark. $ ./build/ALPHA/gem5.opt configs/example/ruby_fs.py --cpu-type=timing -n 2 --caches --l2cache --topology=Crossbar On m5 terminal, I typed "checkpoint" command # m5 checkpoint And then, on the gem5 running console panic: FIFO ordering violated: [MessageBuffer: consumer-yes [ ]] [Queue to Throttle 0 1] name: [Queue to Throttle 0 1] current time: 3679822942500 delta: 500 arrival_time: 3679822943000 last arrival_time: 3680958830000 @ cycle 3679822942500 [enqueue:build/ALPHA/mem/ruby/buffers/MessageBuffer.cc, line 198] Memory Usage: 1600392 KBytes Program aborted at cycle 3679822942500 Aborted It seems that "m5 checkpoint" command did not completely fence the memory access to RUBY during checkpoint generation. Is there any way to solve this problem?
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