[PVE-User] KVM_AMD

Alain Péan alain.pean at lpp.polytechnique.fr
Mon Apr 30 10:35:19 CEST 2012


Hi Dean,

Your processor has virtualization extensions (svm), OK, but did you 
verify if it was enabled in the BIOS ?
I can be wrong (no example before hand), but I guess that svm extensions 
can appear even if they are disabled in BIOS.

Alain

Le 29/04/2012 19:04, Dean Mumby a écrit :
>  lshw -c cpu
>   *-cpu
>        description: CPU
>        product: AMD Athlon(tm) 64 X2 Dual Core Processor 5600+
>        vendor: Advanced Micro Devices [AMD]
>        physical id: 4
>        bus info: cpu at 0
>        version: AMD Athlon(tm) 64 X2 Dual Core Processor 5600+
>        serial: To Be Filled By O.E.M.
>        slot: CPU1
>        size: 2900MHz
>        width: 64 bits
>        clock: 200MHz
>        capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce 
> cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht 
> syscall nx mmxext fxsr_opt rdtscp x86-64 3dnowext 3dnow up rep_good 
> extd_apicid pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy 
> 3dnowprefetch lbrv
> root at proxmox2:~#
>
>
> ---
> Regards
> Dean Mumby
>
>
>
> ------------------------------------------------------------------------
> *From: *"Fábio Rabelo" <fabio at fabiorabelo.wiki.br>
> *To: *"Dean Mumby" <dean at openss.co.za>
> *Cc: *pve-user at pve.proxmox.com
> *Sent: *Sunday, 29 April, 2012 3:49:37 PM
> *Subject: *Re: [PVE-User] KVM_AMD
>
> This flags are strage, PAE (Phisical Address Extension ) refers to 32 
> bits CPU with memory extension ....
>
> Execute this :
>
> lshw -c cpu
>
> If you do not have it instaled :
>
> apt-get  install  lshw
>
> it will show the name of the processor ...
>
>
> Fábio Rabelo
>
>
>
> 2012/4/29 Dean Mumby <dean at openss.co.za <mailto:dean at openss.co.za>>
>
>     Hi
>
>     I have a problem with a an AMD pc , I can install proxmox so I
>     know it is 64bit , I have updated to the latest version
>
>      pveversion -v
>     pve-manager: 2.1-1 (pve-manager/2.1/f9b0f63a)
>     running kernel: 2.6.32-11-pve
>     proxmox-ve-2.6.32: 2.0-66
>     pve-kernel-2.6.32-11-pve: 2.6.32-66
>     lvm2: 2.02.95-1pve2
>     clvm: 2.02.95-1pve2
>     corosync-pve: 1.4.3-1
>     openais-pve: 1.1.4-2
>     libqb: 0.10.1-2
>     redhat-cluster-pve: 3.1.8-3
>     resource-agents-pve: 3.9.2-3
>     fence-agents-pve: 3.1.7-2
>     pve-cluster: 1.0-26
>     qemu-server: 2.0-39
>     pve-firmware: 1.0-15
>     libpve-common-perl: 1.0-27
>     libpve-access-control: 1.0-21
>     libpve-storage-perl: 2.0-18
>     vncterm: 1.0-2
>     vzctl: 3.0.30-2pve5
>     vzprocps: 2.0.11-2
>     vzquota: 3.0.12-3
>     pve-qemu-kvm: 1.0-9
>     ksm-control-daemon: 1.1-1
>
>
>
>     but I am still unable to start a kvm VM. I checked the boot
>     process and noticed the kvm_amd module not being loaded. I googled
>     this and found it is normally when virtualization is disabled in
>     bios as is checked by the absence of vmx/svm in cpuinfo. None of
>     this seems to be correct  , as you can see svm is in cpuinfo
>
>     egrep '(vmx|svm)' --color=always /proc/cpuinfo
>     flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge
>     mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext
>     fxsr_opt rdtscp lm 3dnowext 3dnow rep_good extd_apicid pni cx16
>     lahf_lm cmp_legacy svm extapic cr8_legacy 3dnowprefetch lbrv
>     flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge
>     mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext
>     fxsr_opt rdtscp lm 3dnowext 3dnow rep_good extd_apicid pni cx16
>     lahf_lm cmp_legacy svm extapic cr8_legacy 3dnowprefetch lbrv
>
>
>     modprobe -vv kvm_amd
>     insmod /lib/modules/2.6.32-11-pve/kernel/arch/x86/kvm/kvm-amd.ko
>     FATAL: Error inserting kvm_amd
>     (/lib/modules/2.6.32-11-pve/kernel/arch/x86/kvm/kvm-amd.ko):
>     Operation not supported
>
>     What else can I check , the machine has been powered off , cable
>     unplugged so its not a rebooting issue.
>
>     Thanks
>
>
>     ---
>     Regards
>     Dean Mumby
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-- 
=============================================================
Alain Péan - LPP/CNRS
Attention !! :  Nouveau numéro de Telephone : 01-44-27-92-39
Administrateur Système/Réseau
Laboratoire de Physique des Plasmas - UMR 7648
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