Hi Arun, I tested gem5_19 with classic cache x86 with O3CPU, both smt and multicore simulations are working
Best regards, Abhishek On Mon, Mar 2, 2020 at 12:34 AM Arun Kavumkal <arunkp.onl...@gmail.com> wrote: > Hi Ciro > I was debugging the X86, mutlticore issue as suggested by you. > I could see that the simulation exits as expected by changing > * if (activeContexts ==0)* > at > https://github.com/gem5/gem5/blob/9fc9c67b4242c03f165951775be5cd0812f2a705/src/sim/syscall_emul.cc#L212 > to *if (activeContexts == 1).* > This change is done as per the commit > https://github.com/gem5/gem5/commit/bae0edb0d26dc6c4738855cf38e9a6a109ae8003 > I want to ask, whether this change ie *if (activeContexts ==0) *was a > bug or intentional for some other reason? > > Thanks > KP Arun > > On Tue, Feb 18, 2020 at 11:45 PM Abhishek Singh < > abhishek.singh199...@gmail.com> wrote: > >> Hi, >> >> A ticket is already opened about this at Jira >> https://gem5.atlassian.net/projects/GEM5/issues >> >> Arun: This repo (https://gem5.googlesource.com/amd/gem5/) will solve >> your problem >> >> >> On Tue, Feb 18, 2020 at 1:06 PM Ciro Santilli <ciro.santi...@gmail.com> >> wrote: >> >>> Hi Arun, >>> >>> "I started using ruby memory model after reading from gem5 email >>> archive that classic memory does not work with multicore DerivO3CPU.": >>> I didn't know this, where was this mentioned? I have just run an ARM >>> pthread hello world on DerivO3CPU 2 cores and it worked on master. >>> >>> I reproduce your problem on X86 DerivO3CPU classic but not ARM >>> DerivO3CPU. But a pthread hello world (single binary under --cmd that >>> spanws threads) with 2 CPUs worked, I don't know the cause. If no one >>> knows about this issue, you need to try and debug it :-) >>> >>> I would also open a ticket for this bug at >>> https://gem5.atlassian.net/browse/GEM5 and move all discussion there. >>> >>> >>> >>> >>> On Tue, Feb 18, 2020 at 4:43 AM Arun Kavumkal <arunkp.onl...@gmail.com> >>> wrote: >>> > >>> > Hi, >>> > I am trying to run gem5 in SE mode with number of cpus 2, cpu type >>> DerivO3CPU, and ruby memory model using following command, but the >>> simulation does not stop even after results are produced , ie "Hello >>> world!" is printed to stdout >>> > >>> > build/X86_MESI_Three_Level/gem5.opt configs/example/se.py -n 2 --ruby >>> --cpu-type=DerivO3CPU -c >>> 'tests/test-progs/hello/bin/x86/linux/hello;tests/test-progs/hello/bin/x86/linux/hello' >>> > >>> > I started using ruby memory model after reading from gem5 email >>> archive that classic memory does not work with multicore DerivO3CPU. >>> > >>> > Thanks >>> > Arun KP >>> > _______________________________________________ >>> > gem5-users mailing list >>> > gem5-users@gem5.org >>> > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >>> _______________________________________________ >>> gem5-users mailing list >>> gem5-users@gem5.org >>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> >>
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