x86-64-vX

最後更新: 2022-07-12

前言

x86-64-v2 的影響

Kernel Panic Fatal Exception when installing rocky 9 on proxmox Debian 10

el9 will require your AMD or Intel 64 bit cpu to support a minimum of x86-64-v2.

 


Version

 

x86-64-v2
(circa 2009: Nehalem and Jaguar)
CMPXCHG16B, LAHF-SAHF, POPCNT, SSE3, SSE4.1, SSE4.2, SSSE3

x86-64-v3
(circa 2015: Haswell and Excavator)
AVX, AVX2, BMI1, BMI2, F16C, FMA, LZCNT, MOVBE, XSAVE

x86-64-v4
(AVX-512's general-purpose subset)

 

Checking

# x86-64-v2

grep --color -e cx16 -e lahf -e popcnt -e sse4 -e ssse3 /proc/cpuinfo

 


舊版 Qemu 行 x86-64-v2

 

qemu-system-x86_64 -machine ? | less   # pc-i440fx 是 v1 的

# 方式 1

<os>
    <type arch='x86_64' machine='?'>hvm</type>
</os>

# 方式 2

<cpu mode='host-passthrough'>
    <feature name="vmx" policy="disable"/>
</cpu>

 


 

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