Hey all, As you may have noticed, the nightly tests are failing. I've done some digging and found that the O3 realview tests (the ARM ISA) are hanging and reaching a timeout. You can reproduce this with:
``` python3 ./main.py run --uid SuiteUID:tests/gem5/fs/linux/arm/test.py:realview-switcheroo-o3-ARM-x86_64-opt --length long -j`nproc` ``` in the `tests` directory. This runs the command `./build/ARM/gem5.opt tests/gem5/fs/linux/arm/run.py tests/gem5/configs/realview-switcheroo-o3.py tests/gem5/resources/arm .` but you'll need to run with `./main.py` at least once to download the correct resources needed. Doing a git bisect on this I've found the first commit that triggers this: https://gem5-review.googlesource.com/c/public/gem5/+/42109 , which is problematic as I can't easily revert this as a quick, short term fix. I'm attempting to come up with a fix that reverts this entire chain, as this seems to be quite a fundamental problem that breaks the O3 CPU. I'd really appreciate some help with this, such as finding a real fix. I don't know, at this time, what the exact root cause of the bug is though. This has been logged in Jira here: https://gem5.atlassian.net/browse/GEM5-997 Kind regards, Bobby -- Dr. Bobby R. Bruce Room 3050, Kemper Hall, UC Davis Davis, CA, 95616 web: https://www.bobbybruce.net
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