I imagine the O3 cpu model wasn't compiled in to your binary. Take a look at build/options/ALPHA_FS. What is the value of CPU_MODELS? Is O3 in there?

If not try running scons and Add CPU_MODELS=AtomicSimpleCPU,O3CPU,TimingSimpleCPU
Ali

On Aug 7, 2007, at 4:15 PM, [EMAIL PROTECTED] wrote:

Hello,

   I tried to use DetailedO3CPU(which is defined in
m5_2.0b/m5/configs/common/FullO3Config.py) in my simulation, but it
failed.

In the .err file:
warn: This DRAM module has not been tested with the new memory system at
    all!
    panic: Simulator object type 'DerivO3CPU' not found.
    @ cycle 0
    [createObject:build/ALPHA_FS/sim/builder.cc, line 121]

   DerivO3CPU is defined in phthon/m5/objects/O3CPU.py. Why the error
message says this object type is not found? How to solve this problem?

Thanks,
Tracy

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