[Qemu-devel] [Bug 1722074] [NEW] warning: host doesn't support requested feature: CPUID.01H:ECX.vmx

[address@hidden]

Public bug reported:

I encountered the bug today:

warning: host doesn't support requested feature: CPUID.01H:ECX.vmx

My Ubuntu have this version of QEMU installed:

qemu-system-x86_64 --version

QEMU emulator version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.16), Copyright
(c) 2003-2008 Fabrice Bellard

And PC is a AMD Ryzen7 CPU built, and since it is not Intel CPU:


cat /proc/cpuinfo |more

processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 23
model           : 1
model name      : AMD Ryzen 7 1700X Eight-Core Processor
stepping        : 1
microcode       : 0x800110e
cpu MHz         : 2200.000
cache size      : 512 KB
physical id     : 0
siblings        : 16
core id         : 0
cpu cores       : 8
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov 
pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp
 lm constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf pni pclmulqdq 
monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf
_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw s
kinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate 
vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt 
xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale v
mcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov 
succor smca
bugs            : fxsave_leak sysret_ss_attrs null_seg
bogomips        : 6787.24
TLB size        : 2560 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 48 bits physical, 48 bits virtual
power management: ts ttp tm hwpstate eff_freq_ro [13] [14]

processor       : 1
vendor_id       : AuthenticAMD
cpu family      : 23
model           : 1
model name      : AMD Ryzen 7 1700X Eight-Core Processor
stepping        : 1
microcode       : 0x800110e
cpu MHz         : 2200.000
cache size      : 512 KB

>From other places, it can be seen that this is an AMD CPU issue:

https://www.virtualmin.com/node/52227

not sure?

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1722074

Title:
  warning: host doesn't support requested feature: CPUID.01H:ECX.vmx

Status in QEMU:
  New

Bug description:
  I encountered the bug today:

  warning: host doesn't support requested feature: CPUID.01H:ECX.vmx

  My Ubuntu have this version of QEMU installed:

  qemu-system-x86_64 --version

  QEMU emulator version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.16),
  Copyright (c) 2003-2008 Fabrice Bellard

  And PC is a AMD Ryzen7 CPU built, and since it is not Intel CPU:

  
  cat /proc/cpuinfo |more

  processor     : 0
  vendor_id     : AuthenticAMD
  cpu family    : 23
  model         : 1
  model name    : AMD Ryzen 7 1700X Eight-Core Processor
  stepping      : 1
  microcode     : 0x800110e
  cpu MHz               : 2200.000
  cache size    : 512 KB
  physical id   : 0
  siblings      : 16
  core id               : 0
  cpu cores     : 8
  apicid                : 0
  initial apicid        : 0
  fpu           : yes
  fpu_exception : yes
  cpuid level   : 13
  wp            : yes
  flags         : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov 
  pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb 
rdtscp
   lm constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf pni 
pclmulqdq 
  monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand 
lahf
  _lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch 
osvw s
  kinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx 
hw_pstate 
  vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni 
xsaveopt 
  xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save 
tsc_scale v
  mcb_clean flushbyasid decodeassists pausefilter pfthreshold avic 
overflow_recov 
  succor smca
  bugs          : fxsave_leak sysret_ss_attrs null_seg
  bogomips      : 6787.24
  TLB size      : 2560 4K pages
  clflush size  : 64
  cache_alignment       : 64
  address sizes : 48 bits physical, 48 bits virtual
  power management: ts ttp tm hwpstate eff_freq_ro [13] [14]

  processor     : 1
  vendor_id     : AuthenticAMD
  cpu family    : 23
  model         : 1
  model name    : AMD Ryzen 7 1700X Eight-Core Processor
  stepping      : 1
  microcode     : 0x800110e
  cpu MHz               : 2200.000
  cache size    : 512 KB

  From other places, it can be seen that this is an AMD CPU issue:

  https://www.virtualmin.com/node/52227

  not sure?

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