On Fri, Jan 1, 2016 at 3:32 PM, Winfried de Heiden <wdh@dds.nl> wrote:
Hi all and happy new year!
I'm running oVirt 3.6 on EL7.
In order to test nested-kvm I installed vdsm-hook-nestedvt on the hypervisor and put "fake_kvm_support = true" in /etc/vdsm/vdsm.conf.
fake_kvm_support is just for developing purposes and it's not needed as it prevent guests to run. Please check to understand if nested support is enabled on your host: /sys/module/kvm_intel/parameters/nested if not echo "options kvm-intel nested=1" > /etc/modprobe.d/kvm-intel.conf and reload the module Than install vdsm-hook-nestedvt on your hosts. If you want also to use the network on your L2 guest please install and configure also macspoof vdsm hook on your physical hosts otherwise all the traffic to/from your L2 guests will be dropped. https://github.com/oVirt/vdsm/tree/master/vdsm_hooks/macspoof
However, afterwards the hypervisor host cannot connect to the ovirt Manager, on ovirt Manager the engine.log will tell:
2016-01-01 15:21:42,105 WARN [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (DefaultQuartzScheduler_Worker-76) [71d1638c] Correlation ID: 29daf92c, Call Stack: null, Custom Event ID: -1, Message: Host bigvirt moved to Non-Operational state as host does not meet the cluster's minimum CPU level. Missing CPU features : model_Opteron_G3
After removing the option all works well again, but I'ḿ lacking the nested kvm option :( Is nested kvm only supported on a limited cpu's??
Winny
Information from /proc/cpuinfo:
processor : 0 vendor_id : AuthenticAMD cpu family : 16 model : 10 model name : AMD Phenom(tm) II X6 1055T Processor stepping : 0 microcode : 0x10000bf cpu MHz : 2800.000 cache size : 512 KB physical id : 0 siblings : 6 core id : 0 cpu cores : 6 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 6 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 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt cpb hw_pstate npt lbrv svm_lock nrip_save pausefilter bogomips : 5625.54 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate cpb
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