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 -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. 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? To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1722074/+subscriptions
