On Fri, Jan 1, 2016 at 3:32 PM, Winfried de Heiden <wdh(a)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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