hi, this is an "ps aux | grep qemu" output (for better reading, a little bit formated by me): /usr/libexec/qemu-kvm -name guest=instance-0000000a,debug-threads=on -S -object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-13-instance-0000000a/master-key.aes -machine pc-i440fx-rhel7.4.0,accel=kvm,usb=off,dump-guest-core=off -m 8192 -realtime mlock=off -smp 4,sockets=4,cores=1,threads=1 -object memory-backend-file,id=ram-node0,prealloc=yes,mem-path=/mnt/huge-2048kB/libvirt/qemu/13-instance-0000000a,share=yes,size=8589934592,host-nodes=0,policy=bind -numa node,nodeid=0,cpus=0-3,memdev=ram-node0 -uuid 3bce281c-db91-4b6f-aa48-832c27c2338f -smbios type=1,manufacturer=Fedora Project,product=OpenStack Nova,version=16.0.2-1.tis.11,serial=f88367ca-9cf6-4678-bc69-69ed97297bb5,uuid=3bce281c-db91-4b6f-aa48-832c27c2338f,family=Virtual Machine -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-13-instance-0000000a/monitor.sock,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc,driftfix=slew -global kvm-pit.lost_tick_policy=delay -no-hpet -no-shutdown -boot reboot-timeout=5000,strict=on -global i440FX-pcihost.pci-hole64-size=67108864K -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=rbd:cinder-volumes/volume-ef431cc7-2964-4335-8138-2d2c6642be6c:auth_supported=none:mon_host=192.168.204.3\:6789\;192.168.204.4\:6789\;192.168.204.112\:6789,format=raw,if=none,id=drive-virtio-disk0,cache=none,discard=unmap -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1,write-cache=on,serial=ef431cc7-2964-4335-8138-2d2c6642be6c -chardev socket,id=charnet0,path=/var/run/openvswitch/vhu74250cb0-40,server -netdev vhost-user,chardev=charnet0,id=hostnet0 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=fa:16:3e:ff:cc:ac,bus=pci.0,addr=0x3 -add-fd set=0,fd=81 -chardev pty,id=charserial0,logfile=/dev/fdset/0,logappend=on -device isa-serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0,bus=usb.0,port=1 -vnc 0.0.0.0:1 -k en-us -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -incoming defer -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 -msg timestamp=on => btw, how can this cmd-line handle the spaces in argument "-smbios" or just "ps aux" remove the ' " ' ? this is an running VM without any changes, created and started on top starlingx (2x controller, 2x compute, 3x storage). and yes, there is no "-cpu host" argument !? this ends in something like this in guest view: $ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 6 Model: 13 Model name: QEMU Virtual CPU version 2.5+ Stepping: 3 CPU MHz: 2199.996 BogoMIPS: 4399.99 Hypervisor vendor: KVM Virtualization type: full L1d cache: 64K L1i cache: 64K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx fxsr_opt pdpe1gb lm nopl cpuid pni cx16 x2apic popcnt hypervisor lahf_lm 3dnowprefetch vmmcall here are some outputs from my flavor metadata trys: hw:cpu_model = SandyBridge => No valid host was found. There are not enough hosts available. compute-0: (VCpuModelFilter) Host VCPU model EPYC-IBPB required SandyBridge, compute-1: (VCpuModelFilter) Host VCPU model EPYC-IBPB required SandyBridge of course, SandyBridge is an intel CPU, but all of allowed CPU architectures for meta extra specs "hw:cpu_model" are Intel devices, so i need AMD! do you remember: $ openstack flavor set --property hw:cpu_model=EPYC-IBPB 76609f7b-f0c7-48ca-8c8a-f78481e62cd4 Failed to set flavor property: Invalid hw:cpu_model 'EPYC-IBPB', must be one of: Passthrough, Conroe, Penryn, Nehalem, Westmere, SandyBridge, IvyBridge, Haswell, Broadwell-noTSX, Broadwell, Skylake-Client, Skylake-Server. how can i edit this allowed CPU-Model-List?! the nova.conf settings define no CPU config, so the hyperviser has to handle this: # cat /etc/nova/nova.conf | grep cpu_mode libvirt_cpu_mode = none cpu_mode=none so this is an deadlock for me, i do not know how to fix this :( plz help, volker... ________________________________________ Von: Arevalo, Mario Alfredo C [mario.alfredo.c.arevalo@intel.com] Gesendet: Donnerstag, 17. Januar 2019 17:40 An: von Hoesslin, Volker; starlingx-discuss@lists.starlingx.io Betreff: RE: cpu mode Hi Volker, Could you please send me the QEMU command line used to launch your VM, this is in order to check the QEMU arguments/flags, possibly it requires "-cpu host" argument. Thanks. Best regards. Mario. From: von Hoesslin, Volker [Volker.Hoesslin@swsn.de] Sent: Thursday, January 17, 2019 8:23 AM To: starlingx-discuss@lists.starlingx.io Subject: Re: [Starlingx-discuss] cpu mode it is impossible to set a EPIC (or any other AMD) as guest CPU? $ openstack flavor set --property hw:cpu_model=EPYC-IBPB 76609f7b-f0c7-48ca-8c8a-f78481e62cd4 Failed to set flavor property: Invalid hw:cpu_model 'EPYC-IBPB', must be one of: Passthrough, Conroe, Penryn, Nehalem, Westmere, SandyBridge, IvyBridge, Haswell, Broadwell-noTSX, Broadwell, Skylake-Client, Skylake-Server. (HTTP 400) (Request-ID: req-2fda19cc-8e0e-4be8-a8ea-b58fc00358ce) Command Failed: One or more of the operations failed but my compute node seems to support EPIC CPUs? cat /usr/share/libvirt/cpu_map/x86_EPYC-IBRS.xml <cpus> <model name='EPYC-IBPB'> <signature family='23' model='1'/> <vendor name='AMD'/> <feature name='3dnowprefetch'/> .... <feature name='xsavec'/> <feature name='xsaveopt'/> </model> </cpus> some tips for me how to handle this? volker... Von: von Hoesslin, Volker [Volker.Hoesslin@swsn.de] Gesendet: Donnerstag, 17. Januar 2019 15:50 An: starlingx-discuss@lists.starlingx.io Betreff: [Starlingx-discuss] cpu mode hi, my setup has two computes nodes, every node has a dual AMD EPYC 7601 CPU config. how can i bring all the CPU features (AES, SSSE3, ...) to the guest VMs. i have tryed with some flavor-metadata but nothing realy helps, the VMs getting just a little subset of cpu-features. some investigations to the kvm-settings hit me to the facts that my nova config has "cpu_model=none" !? how can i fix that and bring my AMD EPIC CPU to my nova-config?! here is the host /proc/cpuinfo processor : 127 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD EPYC 7601 32-Core Processor stepping : 2 microcode : 0x8001227 cpu MHz : 1200.000 cache size : 512 KB physical id : 1 siblings : 64 core id : 31 cpu cores : 32 apicid : 127 initial apicid : 127 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 art rep_good nopl nonstop_tsc extd_apicid amd_dcm aperfmperf eagerfpu 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 skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 cpb hw_pstate retpoline_amd ssbd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov succor smca bogomips : 4400.08 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 cpb eff_freq_ro [13] [14] greez & thx, volker...