[[PageOutline]]

 = VM on VM =
 == VMware ==
 * きちんと設定されていないと次のように表示される[[br]][[Image(vmsvonvmws.png, 33%)]]

 * [http://communities.vmware.com/docs/DOC-8970 VMware Communities: Running Nested VMs]
   * VMware製品各種での設定がまとめられている

 * 実用的な実行速度で動かすためのハードウェア条件
   * Intel VT-x
   * AMD-v with Barcelona or Phenom or later
     * AMD-V is supported on Rev F and later Family 0FH AMD64 processors, but current VMware products only support AMD-V on Family 10H or later AMD64 processors (Barcelona or Phenom). Thus, you can use AMD-V on Family 0FH Rev F and Rev G processors with Workstation 6.0. However, you need a Family 10H processor to use AMD-V with ESX 3.5 and Workstation 6.5 (or later).
     * 手持ちの「AMD Athlon 64 X2 5000+」では「MONITOR MODE: allowed modes : BT」となり、AMD-v使用不能。

 * vmxファイルに以下の2行を追加すると可能になる(非Intel-VT, 非AMD-V環境では未テスト)
{{{
monitor_control.vt32 = "TRUE"
monitor_control.restrict_backdoor = "TRUE"
}}}
 * IntelCPU+x64GuestだとVTが必須なので自動的に有効になる
{{{
Software virtualization is incompatible with long mode on this platform. Virtual execution will begin in software mode, but will automatically switch to hardware mode if the guest enters long mode.
}}}
   * それ以外の環境では、次の1行もあった方が良いかも知れない(入れ子内のVMguestの起動が非常に遅くなり得る)
{{{
monitor.virtual_exec = "hardware"
}}}
 === VMware Workstation on Intel VT ===
 * Ubuntu 10.04 lucid on VMware Workstation 7.1.3 with Windows 7 x64 Host
  * Linux ubuntu32 2.6.32-26-generic !#48-Ubuntu SMP Wed Nov 24 09:00:03 UTC 2010 i686 GNU/Linux
  * model name      : Intel(R) Core(TM)2 Duo CPU     T7500  @ 2.20GHz
 * 仮想マシン設定 > ハードウェア > プロセッサ > 優先モード
  * 自動
   * vmware.log
{{{
Dec 12 17:27:11.858: vmx| MONITOR MODE: allowed modes          : BT32 HV
Dec 12 17:27:11.858: vmx| MONITOR MODE: user requested modes   : BT32 HV HWMMU
Dec 12 17:27:11.858: vmx| MONITOR MODE: guestOS preferred modes: HWMMU BT32 HV
Dec 12 17:27:11.858: vmx| MONITOR MODE: filtered list          : BT32 HV
Dec 12 17:27:11.858: vmx| HV Settings: virtual exec = 'dynamic'; virtual mmu = 'software'
}}}
   * /proc/cpuinfo
{{{
flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht nx lm constant_tsc arch_perfmon pebs bts tsc_reliable aperfmperf pni ssse3 cx16 hypervisor lahf_lm ida
}}}
  * Intel VT-xまたはAMD-V
   * diff of Ubuntu32.vmx
{{{
-monitor.virtual_mmu = "automatic"
-monitor.virtual_exec = "automatic"
+monitor.virtual_mmu = "software"
+monitor.virtual_exec = "hardware"
}}}
   * vmware.log
{{{
Dec 12 17:53:28.574: vmx| MONITOR MODE: allowed modes          : BT32 HV
Dec 12 17:53:28.574: vmx| MONITOR MODE: user requested modes   : HV
Dec 12 17:53:28.574: vmx| MONITOR MODE: guestOS preferred modes: HWMMU BT32 HV
Dec 12 17:53:28.574: vmx| MONITOR MODE: filtered list          : HV
Dec 12 17:53:28.574: vmx| HV Settings: virtual exec = 'hardware'; virtual mmu = 'software'
}}}
   * /proc/cpuinfo
{{{
flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht nx lm constant_tsc arch_perfmon pebs bts tsc_reliable aperfmperf pni ssse3 cx16 hypervisor lahf_lm ida
}}}

 * 元々が「自動」だからなのか、CPU flagsに変化はなかった。

 * [http://www.grc.com/securable.htm GRC | SecurAble: Determine Processor Security Features |  ][[br]][[Image(WindowsXPonVM.png, 33%)]]