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[Qemu-discuss] ERROR unsupported configuration: guest and host CPU are n

From: akhilesh rawat
Subject: [Qemu-discuss] ERROR unsupported configuration: guest and host CPU are not
Date: Wed, 11 Jan 2017 10:44:16 +0530

Hi ,

 I want to create VM with CPU type HAswell however unable to do so due to this error

I manged to update my KVM  emulator to 2.6 from 1.5 but still I see face same error. Can i get help if i QEMU support same on my host CPU Arch . 


address@hidden ~]# rpm -qa|grep qemu










address@hidden ~]# /usr/libexec/qemu-kvm -cpu ?

x86           qemu64  QEMU Virtual CPU version 2.5+                  

x86           phenom  AMD Phenom(tm) 9550 Quad-Core Processor        

x86         core2duo  Intel(R) Core(TM)2 Duo CPU     T7700  @ 2.40GHz

x86            kvm64  Common KVM processor                           

x86           qemu32  QEMU Virtual CPU version 2.5+                  

x86            kvm32  Common 32-bit KVM processor                     

x86          coreduo  Genuine Intel(R) CPU           T2600  @ 2.16GHz

x86              486                                                 

x86          pentium                                                 

x86         pentium2                                                  

x86         pentium3                                                 

x86           athlon  QEMU Virtual CPU version 2.5+                  

x86             n270  Intel(R) Atom(TM) CPU N270   @ 1.60GHz         

x86      cpu64-rhel6  QEMU Virtual CPU version (cpu64-rhel6)         

x86           Conroe  Intel Celeron_4x0 (Conroe/Merom Class Core 2)  

x86           Penryn  Intel Core 2 Duo P9xxx (Penryn Class Core 2)   

x86          Nehalem  Intel Core i7 9xx (Nehalem Class Core i7)      

x86         Westmere  Westmere E56xx/L56xx/X56xx (Nehalem-C)         

x86      SandyBridge  Intel Xeon E312xx (Sandy Bridge)               

x86        IvyBridge  Intel Xeon E3-12xx v2 (Ivy Bridge)             

x86    Haswell-noTSX  Intel Core Processor (Haswell, no TSX)         

x86          Haswell  Intel Core Processor (Haswell)                 

x86  Broadwell-noTSX  Intel Core Processor (Broadwell, no TSX)       

x86        Broadwell  Intel Core Processor (Broadwell)               

x86   Skylake-Client  Intel Core Processor (Skylake)                 

x86       Opteron_G1  AMD Opteron 240 (Gen 1 Class Opteron)          

x86       Opteron_G2  AMD Opteron 22xx (Gen 2 Class Opteron)         

x86       Opteron_G3  AMD Opteron 23xx (Gen 3 Class Opteron)         

x86       Opteron_G4  AMD Opteron 62xx class CPU                     

x86       Opteron_G5  AMD Opteron 63xx class CPU                     

x86             host  KVM processor with all supported host features (only available in KVM mode)


Recognized CPUID flags:

  fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 pn clflush ds acpi mmx fxsr sse sse2 ss ht tm ia64 pbe

  pni|sse3 pclmulqdq|pclmuldq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cid fma cx16 xtpr pdcm pcid dca sse4.1|sse4_1 sse4.2|sse4_2 x2apic movbe popcnt tsc-deadline aes xsave osxsave avx f16c rdrand hypervisor

  fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx avx512f avx512dq rdseed adx smap avx512ifma pcommit clflushopt clwb avx512pf avx512er avx512cd avx512bw avx512vl

  avx512vbmi pku ospke

  syscall nx|xd mmxext fxsr_opt|ffxsr pdpe1gb rdtscp lm|i64 3dnowext 3dnow

  lahf_lm cmp_legacy svm extapic cr8legacy abm sse4a misalignsse 3dnowprefetch osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext perfctr_core perfctr_nb


  xstore xstore-en xcrypt xcrypt-en ace2 ace2-en phe phe-en pmm pmm-en

  kvmclock kvm_nopiodelay kvm_mmu kvmclock kvm_asyncpf kvm_steal_time kvm_pv_eoi kvm_pv_unhalt kvmclock-stable-bit

  npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pause_filter pfthreshold

  xsaveopt xsavec xgetbv1 xsaves


Br Aki


address@hidden ~]#

address@hidden ~]# lscpu

Architecture:          x86_64

CPU op-mode(s):        32-bit, 64-bit

Byte Order:            Little Endian

CPU(s):                24

On-line CPU(s) list:   0-23

Thread(s) per core:    2

Core(s) per socket:    6

Socket(s):             2

NUMA node(s):          2

Vendor ID:             GenuineIntel

CPU family:            6

Model:                 45

Model name:            Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz

Stepping:              7

CPU MHz:               1200.000

BogoMIPS:              3995.05

Virtualization:        VT-x

L1d cache:             32K

L1i cache:             32K

L2 cache:              256K

L3 cache:              15360K

NUMA node0 CPU(s):     0-5,12-17

NUMA node1 CPU(s):     6-11,18-23

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