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...ctively) and the problem persists. The guest OS is also a Debian 7 system running a non-SMP kernel. The error message from virt-manager is Error starting domain: unsupported configuration: guest and host CPU are not compatible: Host CPU does not provide required features: rtm, invpcid, erms, bmi2, smep, avx2, hle, bmi1, fsgsbase, pcid Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line 45, in cb_wrapper callback(asyncjob, *args, **kwargs) File "/usr/share/virt-manager/virtManager/asyncjob.py", line 66, in tmpcb callback(...

...sts. The > guest OS is also a Debian 7 system running a non-SMP kernel. The error > message from virt-manager is > > Error starting domain: unsupported configuration: guest and host CPU are > not compatible: Host CPU does not provide required features: rtm, invpcid, > erms, bmi2, smep, avx2, hle, bmi1, fsgsbase, pcid > > Traceback (most recent call last): > File "/usr/share/virt-manager/virtManager/asyncjob.py", line 45, in > cb_wrapper > callback(asyncjob, *args, **kwargs) > File "/usr/share/virt-manager/virtManager/asyncjob.py", l...

...erfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm bogomips : 6795.58 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 60 model name : Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz stepping : 3 microcode : 0x7 cpu...

...prised to see that still Guest cpu model is not changed and still same as host cpu model(SAndy Bridge) Why don't i see the model as HAswell now , could you please comment. Command used : virt-install --virt-type kvm --name controller-0 --cpu Haswell-noTSX,+fma,+movbe,+fsgsbase,+bmi1,+avx2,+smep,+bmi2,+erms,+invpcid --ram=8120 --vcpus=4,sockets=1 Linux process for KVM : 7479 1 37 10:13 ? 01:13:21 /usr/libexec/qemu-kvm -name controller-0 -S -machine pc-i440fx-rhel7.0.0,accel=kvm,usb=off *-cpu SandyBridge,*+fma,+pcid,+movbe,+fsgsbase,+bmi1,+avx2,+smep,+bmi2,+erms,+invpcid -m 812...

...xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 mo...

...ctively) and the problem persists. The guest OS is also a Debian 7 system running a non-SMP kernel. The error message from virt-manager is Error starting domain: unsupported configuration: guest and host CPU are not compatible: Host CPU does not provide required features: rtm, invpcid, erms, bmi2, smep, avx2, hle, bmi1, fsgsbase, pcid Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line 45, in cb_wrapper callback(asyncjob, *args, **kwargs) File "/usr/share/virt-manager/virtManager/asyncjob.py", line 66, in tmpcb callback(...

...nitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch ida arat epb xsaveopt pln pts dtherm hwp hwp_noitfy hwp_act_window hwp_epp tpr_shadow vnmi flexpriority ept vpid fsgsbase bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx bogomips : 6816.05 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management: Linux srv-s01.ccds.de 2.6.32-696.1.1.el6.x86_64 #1 SMP Tue Apr 11 17:13:24 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux -- LF

...G_LOG(DBG_LEVEL_1, "Guest attempts to change CR4.PCIDE from " + "0 to 1 while either EFER.LMA=0 or CR3[11:0]!=000H"); + goto gpf; + } + v->arch.hvm_vcpu.guest_cr[4] = value; hvm_update_guest_cr(v, 4); - /* Modifying CR4.{PSE,PAE,PGE,SMEP} invalidates all TLB entries. */ - if ( (old_cr ^ value) & (X86_CR4_PSE | X86_CR4_PGE | - X86_CR4_PAE | X86_CR4_SMEP) ) { + /* + * Modifying CR4.{PSE,PAE,PGE,SMEP}, or clearing CR4.PCIDE + * invalidate all TLB entries. + */ + if ( ((old_cr ^ val...

...erfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid And this is what I get in the guest: model name : Intel Xeon E312xx (Sandy Bridge) flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb lm constant_tsc pni ssse3 cx16 sse4_1 sse4_2 popcnt lahf_lm abm Is...

...l is not changed and still same > as host cpu model(SAndy Bridge) > > Why don't i see the model as HAswell now , could you please comment. > > Command used : > > virt-install --virt-type kvm --name controller-0 --cpu > Haswell-noTSX,+fma,+movbe,+fsgsbase,+bmi1,+avx2,+smep,+bmi2,+erms,+invpcid > --ram=8120 --vcpus=4,sockets=1 > > Linux process for KVM : > > 7479 1 37 10:13 ? 01:13:21 /usr/libexec/qemu-kvm -name > controller-0 -S -machine pc-i440fx-rhel7.0.0,accel=kvm,usb=off *-cpu > SandyBridge,*+fma,+pcid,+movbe,+fsgsbase,+bmi1,+avx...

...r0,model=virtio --network >> bridge=virbr0,model=virtio --graphics vnc,port=5906 --noautoconsole >> >> Starting install... >> ERROR unsupported configuration: guest and host CPU are not compatible: >> Host CPU does not provide required features: invpcid, erms, bmi2, smep, >> avx2, bmi1, fsgsbase, movbe, fma >> Domain installation does not appear to have been successful. >> >> I could not resolve this error . >> >> > You could've just used -cpu host-model-only. > > Finally i came across the post which say that libvirt...

...dge=virbr0,model=e1000 --network bridge=virbr0,model=virtio --network bridge=virbr0,model=virtio --graphics vnc,port=5906 --noautoconsole Starting install... ERROR unsupported configuration: guest and host CPU are not compatible: Host CPU does not provide required features: invpcid, erms, bmi2, smep, avx2, bmi1, fsgsbase, movbe, fma Domain installation does not appear to have been successful. I could not resolve this error . Finally i came across the post which say that libvirt cross verifies flags under CPU model present in /usr/share/libvirt/cpu_map.xml and cat /proc/cpuinfo . An yes the...

...: live migration to ha-idg-2 failed: 1 Sep 18 16:56:54 [6970] ha-idg-1 lrmd: notice: operation_finished: vm_snipanalysis_migrate_to_0:14322:stderr [ error: operation failed: guest CPU doesn't match specification: missing features: fma,movbe,xsave,avx,f16c,rdrand,fsgsbase,bmi1,avx2,smep,bmi2,erms,invpcid,md-clear,xsaveopt,abm ] The two servers are from HP, they are similar, but not identical. Their CPU's are different: One is "Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz", following /proc/cpuinfo, the other is "Intel(R) Xeon(R) CPU X5675 @ 3.07GHz". Which gu...

...nitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch ida arat epb xsaveopt pln pts dtherm hwp hwp_noitfy hwp_act_window hwp_epp tpr_shadow vnmi flexpriority ept vpid fsgsbase bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx > bogomips : 6816.05 > clflush size : 64 > cache_alignment : 64 > address sizes : 39 bits physical, 48 bits virtual > power management: > > Linux srv-s01.ccds.de 2.6.32-696.1.1.el6.x86_64 #1 SMP Tue Apr 11 17:13:24 UTC 2017 x86_64 x86_64 x86_64...

...<feature name='arat'/> <feature name='fsgsbase'/> <feature name='tsc_adjust'/> <feature name='bmi1'/> <feature name='hle'/> <feature name='avx2'/> <feature name='smep'/> <feature name='bmi2'/> <feature name='erms'/> <feature name='invpcid'/> <feature name='rtm'/> <feature name='rdseed'/> <feature name='adx'/> <feature nam...

...rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm cpuid_fault epb pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms xsaveopt dtherm ida arat pln pts flush_l1d bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf This results on my cpu being detected, if I allow host copy, as AMD chip and the guest becomes unbearably slow. The model of the host cpu is correct. I'm using Debian testing...

Hi , Created new thread . Environment: Bare Metal server + CentOs with qemu/KVM +libvirt for virtualization Guest Instantiated with virt-install with forced CPU model like below virt-install --virt-type kvm --name compute-0 --cpu Haswell,+fma,+movbe,+fsgsbase,+bmi1,+hle,+avx2,+smep,+bmi2,+erms,+invpcid,+rtm --ram=61440 --vcpus=20 --os-type=linux --os-variant=generic After guest installation /proc/cpuinfo show model name as Haswell . However Libvirt virsh capabilities show CPU configuration as "SandyBridge . " 1. Could I get explanation of the why inconsistency ....

...; ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt >> tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch ida >> arat epb xsaveopt pln pts dtherm hwp hwp_noitfy hwp_act_window hwp_epp >> tpr_shadow vnmi flexpriority ept vpid fsgsbase bmi1 hle avx2 smep bmi2 erms >> invpcid rtm rdseed adx >> bogomips : 6816.05 >> clflush size : 64 >> cache_alignment : 64 >> address sizes : 39 bits physical, 48 bits virtual >> power management: >> >> Linux srv-s01.ccds.de 2.6.32-696.1.1.el6.x86_64 #1 SMP T...

...i pclmulqdq dtes64 monitor > ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 > x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm > abm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority > ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid > > And this is what I get in the guest: > > model name : Intel Xeon E312xx (Sandy Bridge) > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov > pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb lm > constant_tsc pni ssse3 cx16 s...

...00 --network bridge=virbr0,model=virtio --network >bridge=virbr0,model=virtio --graphics vnc,port=5906 --noautoconsole > >Starting install... >ERROR unsupported configuration: guest and host CPU are not compatible: >Host CPU does not provide required features: invpcid, erms, bmi2, smep, >avx2, bmi1, fsgsbase, movbe, fma >Domain installation does not appear to have been successful. > >I could not resolve this error . > You could've just used -cpu host-model-only. >Finally i came across the post which say that libvirt cross verifies flags >under CPU mode...