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Re: [Fedora-xen] no Virtualization support for creating VM's on PE840‏

You CPU stats seems to indicate "vmx" which implies that the CPU us capable of running HVM hosts. So it is indeed a pity the BIOS does not let you enable it (for now).

Which OS(s) do you want to run in virtual machines? If you want to run Linux guests then you don't need to use the hardware VM features - you can run them in a paravirtualised manner. This is how I run my Linux guests, I only use HVM for windows or OSs that have not been modified to run in a paravirtualised configuration.

Hope this helps!


On Sat, Mar 22, 2008 at 8:29 PM, Odi <oditm hotmail com> wrote:
what it is is that i recently purchased a Dell PowerEdge 840 after carefully selecting the specs i required, on its arrival i noticed that the BIOS does not support virtualization, as a result of this on successfully installing Xen vm on Open Suse 10.2 which creates the vm kernel and i try to start the vm i get the error message: 'Cannot start the virtual machine' then it goes on to say : command: /usr/sbin/xm create /etc/xen/vm/vm1 return Error: (22, 'Invalid argument') Using config file "/etc/xen/vm/vm1". when i prompt for more details i get: 'Error: HVM guest support is unavailable: is VT/AMD-v supported by your CPU and enabled in your BIOS' i have had a word with dell support who confirmed that the that the BIOS does not support virtualization for now and that that option in the bios is defaultly set to disable and that the most recent release of my BIOS software doesn't list this in the menu for me to toggle that option, and that maybe a future release of the BIOS software will have accessibilty to this option. I was adviced by the Dell Engineer to come this site and seek for help on this site. does anyone know what i can do to get around this problem please. i was told by the Dell engineer to run a cat command on the cpuinfo file to see if the flag will reflect xt or vt, i did this and the i got the following: odi PE840Srv:/proc> cat cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Xeon(R) CPU X3210 @ 2.13GHz stepping : 11 cpu MHz : 2133.600 cache size : 4096 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr lahf_lm bogomips : 4269.91 i badly need to create virtual machines on this server, its got 750 GB HDD (mirroring support) and 8GB of RAM, i selected all this with virtualization in mind obviously. any assistance will be greatly appreciated. Odi

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