Hi Muzamil, It's possible to allocate more guest memory than you have hot memory. I believe you need to change a System parameter, however (see src/sim/System.py).
However, if your guest *uses* more memory than the host you will encounter an error. Jason On Thu, Sep 14, 2017 at 9:24 AM Muzamil Rafique <[email protected]> wrote: > Hi All, > > I have a question regarding relationship (if any) that exists between host > memory size and memory range assigned using option --mem-size=MEM_SIZE. If > memory size of my host machine is 4GB(RAM), can I assign --mem-size=8GB in > gem5 simulator se mode? If yes, what is the origin of these type of errors > that encountered when assigning different SPEC2006 benchmarks as workloads. > > (i) > warn: mremapping to new vaddr 0x7ffff79c8000-0x7ffff7a09000, adding 65536 > warn: returning 0x7ffff79c8000 as start > fatal: FuncPageTable::allocate: addr 0x7ffff79e8000 already mapped > Memory Usage: 8869576 KBytes > > (ii) > panic: Tried to write unmapped address 0x7ffffa9ed740. > Memory Usage: 8714168 KBytes > Program aborted at tick 3243857330565 > > Any feedback would be greatly appreciated :) > > Thanks > Muzamil > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
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