Hi Reiko, The KVM CPU requires that the host platform supports KVM. Given that you're using WSL, this means that you need to have nested virtualization enabled and implemented on your WSL kernel. https://www.reddit.com/r/bashonubuntuonwindows/comments/ldbyxa/what_is_the_current_state_of_kvm_acceleration_on/ has more information.
We can try to help you with this, but currently we only support KVM on native Linux hosts. Cheers, Jason On Thu, Sep 23, 2021 at 11:36 AM Reiko Matsuda-dunn via gem5-users < gem5-users@gem5.org> wrote: > Hello, > > I'm trying to troubleshoot this error (output below). I've looked at > prior posts in this mailing list and was able to change perf_event_paranoid > to -1 ( I confirmed this with $cat /proc/sys/kernel/perf_event_paranoid, > which returns -1, although it resets to 2 every time I reboot). It looks > like there's some mention of a patch, but I haven't been able to find that > patch. If anyone could point me to that, or offer other suggestions I would > be grateful! > > I'm using gem5 21, WSL2, and have otherwise follower the tutorial here: > https://www.gem5.org/documentation/gem5art/tutorials/spec-tutorial > My launch_spec2017_experiment.py has been modified slightly for the paths > and gem5 version. > > Thanks for all your help, > Reiko > > build/X86/mem/mem_interface.cc:791: warn: > DRAM device capacity (32768 Mbytes) does not match the address range assigned > (1024 Mbytes) > build/X86/mem/mem_interface.cc:791: warn: > DRAM device capacity (32768 Mbytes) does not match the address range assigned > (1024 Mbytes) > build/X86/mem/mem_interface.cc:791: warn: > DRAM device capacity (32768 Mbytes) does not match the address range assigned > (1024 Mbytes) > build/X86/mem/mem_interface.cc:791: warn: > DRAM device capacity (32768 Mbytes) does not match the address range assigned > (1024 Mbytes) > build/X86/mem/mem_interface.cc:791: warn: > DRAM device capacity (32768 Mbytes) does not match the address range assigned > (1024 Mbytes) > build/X86/mem/mem_interface.cc:791: warn: > DRAM device capacity (32768 Mbytes) does not match the address range assigned > (1024 Mbytes) > build/X86/mem/mem_interface.cc:791: warn: > DRAM device capacity (32768 Mbytes) does not match the address range assigned > (1024 Mbytes) > build/X86/mem/mem_interface.cc:791: warn: > DRAM device capacity (32768 Mbytes) does not match the address range assigned > (1024 Mbytes) > build/X86/mem/mem_interface.cc:791: warn: > DRAM device capacity (32768 Mbytes) does not match the address range assigned > (128 Mbytes) > build/X86/sim/kernel_workload.cc:46: info: kernel located at: > vmlinux-4.19.83 > build/X86/dev/serial/terminal.cc:170: warn: > Sockets disabled, not accepting terminal connections > build/X86/base/remote_gdb.cc:377: warn: > Sockets disabled, not accepting gdb connections > build/X86/mem/coherent_xbar.cc:140: warn: > CoherentXBar system.cpu.mmucache.mmubus has no snooping ports attached! > build/X86/dev/intel_8254_timer.cc:125: warn: > Reading current count from inactive timer. > build/X86/cpu/kvm/base.cc:152: info: KVM: > Coalesced MMIO disabled by config. > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 2 > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 3 > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 4 > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 5 > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 6 > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 8 > build/X86/cpu/kvm/base.cc:152: info: KVM: > Coalesced MMIO disabled by config. > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 2 > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 3 > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 4 > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 5 > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 6 > build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x0000: > unimplemented function 8 > build/X86/sim/simulate.cc:107: info: > Entering event queue @ 0. Starting simulation... > build/X86/cpu/kvm/perfevent.cc:183: panic: > PerfKvmCounter::attach failed (2) > Memory Usage: 8738772 KBytes > build/X86/cpu/kvm/perfevent.cc:183: panic: > PerfKvmCounter::attach failed (2) > Memory Usage: 8738772 KBytes > Program aborted at tick 0 > _______________________________________________ > gem5-users mailing list -- gem5-users@gem5.org > To unsubscribe send an email to gem5-users-le...@gem5.org > %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
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