dragonfly run throwing error

[lddlww]

when i installed latest dragonfly and run dragonfly --help, but it throwed error: Illegal instruction (core dumped)
what's wrong ?

os version：

No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 22.04.2 LTS
Release:        22.04
Codename:       jammy

linux kernel

5.15.0-71-generic

[romange]

you are running it on a laptop? what cat /proc/cpuinfo says?

[lddlww]

no，it's in kvm vritual machine

vendor_id       : GenuineIntel
cpu family      : 6
model           : 6
model name      : QEMU Virtual CPU version 2.5+
stepping        : 3
microcode       : 0x1
cpu MHz         : 2394.362
cache size      : 16384 KB
physical id     : 7
siblings        : 1
core id         : 0
cpu cores       : 1
apicid          : 7
initial apicid  : 7
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm rep_good nopl xtopology cpuid tsc_known_freq pni cx16 x2apic hypervisor lahf_lm cpuid_fault pti
bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit mmio_unknown
bogomips        : 4788.72
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:

[romange]

in that case, I suggest changing the kvm settings to emulate skylake architecture.

[lddlww]

thanks for reply