Thanks Jason. I'll take a look at gem5-stdlib.
- Gagan On Mon, Jun 13, 2022 at 12:01 PM Jason Lowe-Power <ja...@lowepower.com> wrote: > Hi Gagan, > > The problem is that the CPU doesn't have an ISA object as a child. Most > likely, the function `createThreads()` wasn't called on the CPU instance. > You need to set all of this up *in the python configuration*, not in the > C++ models. > > Solving this problem is difficult if you're using the (soon to be) > deprecated fs.py script. This script tries to do everything for everyone > and ends up doing nothing well. I suggest looking into the new gem5 > standard library and working to create a board which suits your needs. See > https://www.gem5.org/documentation/gem5-stdlib/overview > > Cheers, > Jason > > On Sun, Jun 12, 2022 at 11:11 PM Gagan Panwar <gaganpan...@gmail.com> > wrote: > >> Hi everyone, >> >> I'm trying to run the latest version of Gem5 under X86 and it segfaults >> at the following line: >> >> build/X86/cpu/o3/fetch.cc:139 >> > decoder[tid] = params.decoder[tid]; >> >> gdb says params.decoder is a "vector of length 0". Looks like it has not >> been initialized. >> >> Any idea how to correctly initialize this? >> >> Here is my command line: >> >> ./build/X86/gem5.opt -r -d sim_output/stride/benchmark >> configs/example/fs.py --mem-size=16GB -n 4 -r 1 >> --disk-image=/hdd0/newCPTs/ubuntu-server-16.04.6.img --checkpoint-dir= >> /hdd0/newCPTs/bench_1 --cpu-type=DerivO3CPU --rel-max-tick=2000000000 >> --l2-hwp-type=StridePrefetcher --caches --l2cache --kernel=vmlinux-5.4.49 >> >> I have also tried assigning decoder[tid] to a new TheISA::Decoder() >> object in fetch.cc like it used to be in older versions but this leads to >> build issues. >> >> To reiterate, I have not modified a single line of code. I was able to >> take checkpoints under KVM mode successfully, however. >> >> Thank you, >> Gagan >> _______________________________________________ >> gem5-users mailing list -- gem5-users@gem5.org >> To unsubscribe send an email to gem5-users-le...@gem5.org >> > _______________________________________________ > gem5-users mailing list -- gem5-users@gem5.org > To unsubscribe send an email to gem5-users-le...@gem5.org >
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