Hi All:
I use KVM CPU in se mode on X86 arch, but it showed a panic "KVM:
Failed to create virtual CPU".
My host is X86 server of Intel 6148 and it can support kvm:
lsmod |grep kvm
kvm_intel 172032 0
kvm 548864 1 kvm_intel
irqbypass 16384 1 kvm
ll /dev/kvm
crwxrwxrwx 1 root root 10, 232 Feb 16 20:40 /dev/kvm
My GEM5 version is master(v21.0.0.0),
ea7d012c00e5555857ef999b88a8ec2bde801a1f
./build/X86/gem5.opt configs/example/se.py --cpu-type=X86KvmCPU
--cpu-clock=2.6GHz --sys-clock=2.6GHz --caches --l1d_size=64kB --l1i_size=64kB
--l2cache --l2_size=32MB --mem-size=32GB --num-cpus=1 -I 5000 -c "./test"
gem5 Simulator System. http://gem5.org
gem5 is copyrighted software; use the --copyright option for details.
gem5 version 21.0.0.0
gem5 compiled May 10 2021 03:39:51
gem5 started May 10 2021 03:57:48
gem5 executing on ubuntu, pid 112188
command line: ./build/X86/gem5.opt configs/example/se.py --cpu-type=X86KvmCPU
--cpu-clock=2.6GHz --sys-clock=2.6GHz --caches --l1d_size=64kB --l1i_size=64kB
--l2cache --l2_size=32MB --mem-size=32GB --num-cpus=1 -I 5000 -c ./test
warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
warn: tol2bus.master is deprecated. `master` is now called `mem_side_ports`
warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
warn: tol2bus.slave is deprecated. `slave` is now called `cpu_side_ports`
warn: tol2bus.slave is deprecated. `slave` is now called `cpu_side_ports`
warn: tol2bus.slave is deprecated. `slave` is now called `cpu_side_ports`
warn: tol2bus.slave is deprecated. `slave` is now called `cpu_side_ports`
warn: membus.master is deprecated. `master` is now called `mem_side_ports`
warn: membus.master is deprecated. `master` is now called `mem_side_ports`
warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
Global frequency set at 1000000000000 ticks per second
warn: DRAM device capacity (8192 Mbytes) does not match the address range
assigned (32768 Mbytes)
0: system.remote_gdb: listening for remote gdb on port 7000
**** REAL SIMULATION ****
panic: KVM: Failed to create virtual CPU
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