Hi All: I have a problem when I use KVM on aarch64 server with centos 7.6 while it has no problem on the same aarch64 server with ubuntu18.04/ubuntu20.04.
Gem5 version is v21.2.0.0/v21.1.x.x/v21.0.x.x Cmd: ./build/ARM/gem5.debug --debug-flags=Kvm ./configs/soc_base/fs.py -n 1 --kernel=vmlinux-5.3.18-esl --machine-type=VExpress_GEM5_V1 --disk-image=ubuntu-18.04-arm64-docker.img --mem-channels=2 --mem-channels-intlv=512 --root=/dev/vda1 --param system.realview.gic.gem5_extensions=True --bootloader=./system/arm/bootloader/arm64/boot.arm64 --cpu-type=ArmV8KvmCPU --mem-size=32GB --mem-type=SimpleMemory Use centos7.6: build/ARM/arch/arm/fs_workload.cc:121: info: Using bootloader at address 0x10 build/ARM/arch/arm/fs_workload.cc:139: info: Using kernel entry physical address at 0x80080000 build/ARM/arch/arm/linux/fs_workload.cc:97: info: Loading DTB file: m5out/system.dtb at address 0x88000000 **** REAL SIMULATION **** 0: system.kvm_vm: Mapping 8 memory region(s) 0: system.kvm_vm: Mapping region: 0x0xffff96750000 -> 0x0 [size: 0x4000000] 0: system.kvm_vm: Mapping region: 0x0xffff9b5d0000 -> 0x4000000 [size: 0x40000] 0: system.kvm_vm: Mapping region: 0x0xffff94750000 -> 0x6000000 [size: 0x2000000] 0: system.kvm_vm: Mapping region: 0x0xffff90750000 -> 0x8000000 [size: 0x4000000] 0: system.kvm_vm: Mapping region: 0x0xffff8c750000 -> 0xc000000 [size: 0x4000000] 0: system.kvm_vm: Mapping region: 0x0xffff8a750000 -> 0x18000000 [size: 0x2000000] 0: system.kvm_vm: Mapping region: 0x0xffff9b5c0000 -> 0x2e000000 [size: 0x8000] Failed to setup KVM memory region: build/ARM/cpu/kvm/vm.cc:481: panic: Failed to setup KVM memory region: Host Address: 0x Size: %ll Guest Address: 0x Flags: 0x%x Use ubuntu20.04: info: Using bootloader at address 0x10 info: Using kernel entry physical address at 0x80080000 info: Loading DTB file: m5out/system.dtb at address 0x88000000 **** REAL SIMULATION **** 0: system.kvm_vm: Mapping 7 memory region(s) 0: system.kvm_vm: Mapping region: 0x0xffffa3887000 -> 0x0 [size: 0x4000000] 0: system.kvm_vm: Mapping region: 0x0xffffafec4000 -> 0x4000000 [size: 0x40000] 0: system.kvm_vm: Mapping region: 0x0xffff9f887000 -> 0x8000000 [size: 0x4000000] 0: system.kvm_vm: Mapping region: 0x0xffff9b887000 -> 0xc000000 [size: 0x4000000] 0: system.kvm_vm: Mapping region: 0x0xffff99887000 -> 0x18000000 [size: 0x2000000] 0: system.kvm_vm: Mapping region: 0x0xffffb1210000 -> 0x2e000000 [size: 0x8000] 0: system.kvm_vm: Mapping region: 0x0xfff799887000 -> 0x80000000 [size: 0x800000000] info: KVM: Coalesced MMIO disabled by config. warn: Existing EnergyCtrl, but no enabled DVFSHandler found. info: Entering event queue @ 0. Starting simulation...
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