ERROR: cannot use unconfigured serial port COM1
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 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer Laboratory

 Xen version 2.0 (abuild@xxxxxxx) (gcc version 3.3.4 (pre 3.3.5 20040809)) Mon Jan 24 02:13:11 UTC 2005
 Latest ChangeSet: information unavailable

(XEN) Physical RAM map:
(XEN)  0000000000000000 - 00000000000a0000 (usable)
(XEN)  00000000000f0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 0000000013ff0000 (usable)
(XEN)  0000000013ff0000 - 0000000013ff3000 (ACPI NVS)
(XEN)  0000000013ff3000 - 0000000014000000 (ACPI data)
(XEN)  00000000ffff0000 - 0000000100000000 (reserved)
(XEN) System RAM: 319MB (327232kB)
(XEN) Xen heap: 10MB (10744kB)
(XEN) CPU0: Before vendor init, caps: 0387f9ff 00000000 00000000, vendor = 0
(XEN) CPU caps: 0387f9ff 00000000 00000000 00000000
(XEN) ACPI: RSDP (v000 ECSORG                                    ) @ 0x000f6d60
(XEN) ACPI: RSDT (v001 AWARD  AWRDACPI 0x30302e31 AWRD 0x00000000) @ 0x13ff3000
(XEN) ACPI: FADT (v001 AWARD  AWRDACPI 0x30302e31 AWRD 0x00000000) @ 0x13ff3040
(XEN) ACPI: DSDT (v001 ECSORG AWRDACPI 0x00001000 MSFT 0x0100000a) @ 0x00000000
(XEN) Using scheduler: Borrowed Virtual Time (bvt)
(XEN) Initializing CPU#0
(XEN) Detected 451.049 MHz processor.
(XEN) Local APIC disabled by BIOS -- reenabling.
(XEN) Found and enabled local APIC!
(XEN) CPU0: Before vendor init, caps: 0387fbff 00000000 00000000, vendor = 0
(XEN) CPU caps: 0387fbff 00000000 00000000 00000000
(XEN) CPU0 booted
(XEN) SMP motherboard not detected.
(XEN) enabled ExtINT on CPU#0
(XEN) ESR value before enabling vector: 00000000
(XEN) ESR value after enabling vector: 00000000
(XEN) Using local APIC timer interrupts.
(XEN) Calibrating APIC timer for CPU0...
(XEN) ..... CPU speed is 451.0204 MHz.
(XEN) ..... Bus speed is 100.2266 MHz.
(XEN) ..... bus_scale = 0x000066A2
(XEN) Time init:
(XEN) .... System Time: 10895811ns
(XEN) .... cpu_freq:    00000000:1AE27704
(XEN) .... scale:       00000002:3790C815
(XEN) .... Wall Clock:  1108073342s 20000us
(XEN) PCI: PCI BIOS revision 2.10 entry at 0xfb130, last bus=1
(XEN) PCI: Using configuration type 1
(XEN) PCI: Probing PCI hardware
(XEN) PCI: Probing PCI hardware (bus 00)
(XEN) PCI: Using IRQ router VIA [1106/0596] at 00:07.0
(XEN) Activating ISA DMA hang workarounds.
(XEN) mtrr: v2.0 (20020519)
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen-ELF header found: 'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=2.0,VIRT_BASE=0xC0000000,LOADER=generic,PT_MODE_WRITABLE'
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Kernel image:  00c00000->00ebb798
(XEN)  Initrd image:  00ebc000->01348000
(XEN)  Dom0 alloc.:   01400000->05280000
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0100000->c040f7dc
(XEN)  Init. ramdisk: c0410000->c089c000
(XEN)  Phys-Mach map: c089c000->c08aba00
(XEN)  Page tables:   c08ac000->c08b0000
(XEN)  Start info:    c08b0000->c08b1000
(XEN)  Boot stack:    c08b1000->c08b2000
(XEN)  TOTAL:         c0000000->c0c00000
(XEN)  ENTRY ADDRESS: c0100000
(XEN) Scrubbing DOM0 RAM: .done.
(XEN) Initrd len 0x48c000, start at 0xc0410000
(XEN) Scrubbing Free RAM: ....done.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen).
(XEN) spurious 8259A interrupt: IRQ7.
(XEN) PCI: Found IRQ 12 for device 00:0a.0
(XEN) PCI: Found IRQ 9 for device 00:0c.0
(XEN) PCI: Sharing IRQ 9 with 00:0d.0