[gem5-users] x86 O3 SMT: Int port not connected to anything

[Hossein Golestani]

Hello,

When I use an O3 SMT core with the x86 ISA in gem5 SE mode, I get the
following error:
panic: panic condition !intMasterPort.isConnected() occurred: Int port not
connected to anything!

The command I'm using is:
$GEM5/build/X86/gem5.opt $GEM5/configs/example/se.py --cmd="./test;./test"
--cpu-type=DerivO3CPU --smt --caches --l2cache

(When I use only one workload, i.e., --cmd="./test", there will be no
error.)

The only occurrence of the interrupt port in se.py is the following:
if buildEnv['TARGET_ISA'] == 'x86':
    system.cpu[i].interrupts[0].pio = ruby_port.master
    system.cpu[i].interrupts[0].int_master = ruby_port.slave
    system.cpu[i].interrupts[0].int_slave = ruby_port.master

So, I also used the ruby memory model (--ruby). But I still get the same
error.

I would really appreciate any help on this issue.

Thanks,
Hossein

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