Solved. I think it's just that checkpoints made with the older commit don't
work with the newer version. Had to make a new one.

Le mar. 19 janv. 2021 à 20:51, Sherif AbdelFadil <[email protected]>
a écrit :

> Hi,
> on commit 96fce476785a834f102ae69a895e661cf08e47cd, I can run the
> following command and the simulation runs without errors:
> ./build/ARM/gem5.opt configs/example/fs.py --checkpoint-dir=m5out/ -r 0
> --restore-with-cpu=DerivO3CPU --cpu-type=DerivO3CPU
> --disk-image="$IMG_ROOT/disks/linaro-minimal-aarch64.img"
> --disk-image="$IMG_ROOT/disks/parsec3.img"
> --kernel="$IMG_ROOT/binaries/vmlinux.arm64" --caches
>
> The problem is that the script won't actually use both disk images (I want
> to mount the second in image in-simulation). I read in some thread that
> this feature became available in the script out of the box at some point,
> so I decided to try it out with the last stable commit
> (0d703041fcd5d119012b62287695723a2955b408). However, with it I am no longer
> able to start simulations with fs.py. I get the following error: "fatal:
> Can't unserialize 'system.cpu.xc.0:_debugStep'". A similar problem, if not
> exactly the same, occurs when I use the starter_fs.py script. Is this a bug
> or do I have to change something in the script options?
>
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