Re: [Xen-users] support for hvm

[Andrew Lyon <andrew.lyon@xxxxxxxxx>]

On Fri, Jan 29, 2010 at 9:20 AM, Aclhk Aclhk <aclhkaclhk@xxxxxxxxx> wrote:

my server has intel q9550 cpu (which supports intel-vt) and intel s3200 motherboard. BIOS has enabled intel virtualisation.

centos 5.4, 64bit
[root@localhost ~]# uname -a
Linux localhost.localdomain 2.6.18-164.el5xen #1 SMP Thu Sep 3 04:03:03 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux


[root@localhost ~]# grep vmx /proc/cpuinfo
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx smx est tm2 cx16 xtpr lahf_lm
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx smx est tm2 cx16 xtpr lahf_lm
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx smx est tm2 cx16 xtpr lahf_lm
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx smx est tm2 cx16 xtpr lahf_lm

why HVM is disabled in virtmanager? it said either cpu or bios not enabled with intel-vt..

xm create source-c5.4-hvm-lvm
Using config file "/etc/xen/source-c5.4-hvm-lvm".
Error: HVM guest support is unavailable: is VT/AMD-V supported by your CPU and enabled in your BIOS?

name = "source-c5.4-hvm-lvm"
uuid = "5306fbe1-f032-5db4-af5e-3ac726d97689"
maxmem = 512
memory = 512
vcpus = 1
builder = "hvm"
kernel = "/usr/lib/xen/boot/hvmloader"
boot = "c"
pae = 1
acpi = 1
apic = 1
localtime = 0
>>> device_model = "/usr/lib64/xen/bin/qemu-dm"
sdl = 0
vnc = 1
vncunused = 1
keymap = "en-us"
disk = [ "file:/var/lib/xen/images/source-c5.4-hvm-lvm.img,hda,w", ",hdc:cdrom,r" ]
vif = [ "mac=00:16:36:46:20:de,bridge=xenbr0,script=vif-bridge" ]
parallel = "none"
serial = "pty"

virsh # version
Compiled against library: libvir 0.6.3
Using library: libvir 0.6.3
Using API: Xen 3.0.1
Running hypervisor: Xen 3.1.0

pls advise

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Did you power cycle the server after enabling vt in the bios? Some servers require a full power off reset for the change to be effective.

Andy

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