[OmniOS-discuss] oracle vm server in kvm enabled zone

[Michael Rasmussen]

Seem to remember nested kvm is not supported.

On August 10, 2016 3:53:11 PM GMT+02:00, pieter van puymbroeck <pietervanpuymbroeck at hotmail.com> wrote:
>Hello,
>
>Currently I'm building a new homelab based on omnios (omnios-r151018)
>
>There a kvm enabled zone is created and inside the zone I have 3
>kvm-guests running. These guests are running oracle vm (xen based). All
>is running fine except if I want to start a linux-testvm inside oracle
>vm, the system complains about:
>
>
>Error: HVM guest support is unavailable: is VT/AMD-V supported by your
>CPU and enabled in your BIOS?
>
>
>Inside the kvm enabled zone, kvm is enabled:
>
>root at ovm1:/root# ls -l /dev/kvm
>
>crw------- 1 root sys 125, 0 Aug 10 12:48 /dev/kvm
>
>root at ovm1:/root# modinfo |grep -i kvm
>
>207 fffffffff840a000  3a030 125   1  kvm (kvm driver v0.1)
>
>root at ovm1:/root#
>
>
>For sure I checked the processor itself from the global zone if it is
>supported:
>
># isainfo -v
>
>64-bit amd64 applications
>
>vmx pclmulqdq aes sse4.2 sse4.1 ssse3 popcnt tscp cx16 sse3 sse2
>
>sse fxsr mmx cmov amd_sysc cx8 tsc fpu
>
>32-bit i386 applications
>
>vmx pclmulqdq aes sse4.2 sse4.1 ssse3 popcnt tscp ahf cx16 sse3
>
>sse2 sse fxsr mmx cmov sep cx8 tic fpu
>
>#
>
>
>
>and to me it looks I have the required flags available.
>
>inside the lvm-guest the flags are indeed not given to the guest:
>
>
>[root at ovm2 ~]# uname -s -r -i -p
>
>Linux 2.6.39-400.279.1.el5uek x86_64 x86_64
>
>[root at ovm2 ~]# cat /etc/oracle-release
>
>Oracle VM Server release 5.7
>
>[root at ovm2 ~]# grep flags /proc/cpuinfo
>
>flags : fpu de tsc msr pae mce cx8 apic sep mca cmov pat clflush mmx
>fxsr sse sse2 ss syscall nx lm constant_tsc up nopl pni ssse3 cx16
>sse4_1 sse4_2 popcnt aes hypervisor lahf_lm
>
>[root at ovm2 ~]#
>
>
>it does not matter if I start the kvm guest using
>
>-cpu host \
>
>or using
>
>-cpu qemu64,+vmx,+aes,+sse4.2,+sse4.1,+ssse3 \  # --> this one is
>faster
>
>
>despite I have an intel cpu I use the -enable-nested flag as well, but
>it doesn't seem to make a difference.
>
>
>How can I fix this?
>
>
>Thanks and best regards,
>
>Pieter
>
>
>------------------------------------------------------------------------
>
>_______________________________________________
>OmniOS-discuss mailing list
>OmniOS-discuss at lists.omniti.com
>http://lists.omniti.com/mailman/listinfo/omnios-discuss

-- 
Sent from my Android phone with K-9 Mail. Please excuse my brevity.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://omniosce.org/ml-archive/attachments/20160810/18b1a01c/attachment.html>