There is no instance log when using KVM as Hypervisor?

asked 2015-11-05 00:31:10 -0500

soumitrakarmakar gravatar image

I have a virtual infrastructure and openstack installed in it, the libvirt_type=qemu works fine, but when I change the libvirt_type=kvm the instances spawn up but no log is generated and I can't see the display in vnc. My compute nodes support kvm as determined from the command grep -E 'svm|vmx' /proc/cpuinfo the output is as follows:

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 tsc_reliable nonstop_tsc aperfmperf pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 x2apic popcnt aes xsave avx hypervisor lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw xop fma4 arat npt svm_lock nrip_save vmcb_clean flushbyasid decodeassists

What may be the issue?

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answered 2015-11-05 00:46:30 -0500

Bipin gravatar image


Your compute node is a virtual machine ? or bare metal ? if its a physical machine it should be libvirt_type=kvm and if its a virtual machine it should be libvirt_type=qemu


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It is a virtual machine but my cpu supports nested virtuialization, so if a CPU supports nested virtualization as per the guide then we can use KVM.

soumitrakarmakar gravatar imagesoumitrakarmakar ( 2015-11-05 01:22:36 -0500 )edit

Sorry Dont know about the nested virtualization and openstack part.

Bipin gravatar imageBipin ( 2015-11-09 03:19:27 -0500 )edit

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Asked: 2015-11-05 00:31:10 -0500

Seen: 101 times

Last updated: Nov 05 '15