# xm dmesg
EFI v1.10 by INTEL: SALsystab=0x7fe4c8c0 ACPI=0x7ff95000 ACPI 2.0=0x7ff94000 MPS=0x7ff93000 SMBIOS=0xf0000
ERROR: I/O base address must be specified.
 __  __            _____  ___                     _        _     _      
 \ \/ /___ _ __   |___ / / _ \    _   _ _ __  ___| |_ __ _| |__ | | ___ 
  \  // _ \ '_ \    |_ \| | | |__| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
  /  \  __/ | | |  ___) | |_| |__| |_| | | | \__ \ || (_| | |_) | |  __/
 /_/\_\___|_| |_| |____(_)___/    \__,_|_| |_|___/\__\__,_|_.__/|_|\___|
                                                                        
 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer Laboratory

 Xen version 3.0-unstable (root@) (gcc version 3.4.4 20050721 (Red Hat 3.4.4-2)) Tue Sep 12 00:43:11 JST 2006
 Latest ChangeSet: Sun Sep 10 15:34:14 2006 -0600 11447:a1988768828d

(XEN) Xen command line: BOOT_IMAGE=scsi0:EFI\redhat\../xen/xen.gz-kan  dom0_mem=512M com2=115200,8n1 console=com2 
[snip]

# xm vcpu-list
Name                              ID  VCPU  CPU  State  Time(s)  CPU Affinity
Domain-0                           0     0    0   r--      29.8  any cpu
#