Good afternoon. I encountered this error while trying to run an ARM configuration with one of the scripts in the learning_gem5 folder. The following is my post on Stack Overflow, which received an answer directing me to this mailing list.
I am learning how to use gem5. I followed the learning_gem5 book and successfully ran the suggested test programs on an ARM simple configuration without cache. For my research, I need to test caches on ARM systems, so I tried to adapt the simple_cache.py file to run on ARM, like what was done to simple.py to generate simple-arm.py. However, when trying to run the "hello" test program, or the other two that were suggested in the "Extending gem5 for ARM" page, I get the following error: gem5.opt: build/ARM/mem/request.hh:882: uint64_t gem5::Request::getExtraData() const: Assertion `extraDataValid()' failed. Program aborted at tick 12162000 The full terminal log is available at https://pastebin.com/VLJ1Szxy. The config file is available at https://pastebin.com/SeajkNPT. I tried changing the test file to the Bubblesort and FloatMM files. I checked the request source code to try to understand more about the error. I expected the simulation to run like it did with simple-arm.py. I followed the tutorial on this page: https://www.gem5.org/documentation/learning_gem5/part1/extending_configs Does anyone know what causes this error and how it may be fixed? Thank you for your attention, Pedro Corrêa Rigotto Computer Science undergraduate at PUC Minas
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