I want to try out Xen, but i can't get it working. All i get is the
error:
(XEN) Initial guest OS requires too much space
(XEN) (8MB is greater than 0MB limit)
I'm using Xen 2.05 (self-built), with a customized xen0 kernel. My kernel does
_not_ use initrd, because i hate initrd. The "0 MB" limit looks suspicious and
is probably the source of my problem. How is it caused?
Here is the complete bootlog:
kernel /xen.gz dom0_mem=128M com1=57600,8n1
[Multiboot-elf, <0x100000:0x3ef5c:0x360a4>, shtab=0x175078, entry=0x100000]
module /vmlinuz-xen0 ro root=/dev/sda3 console=tty1 console=ttyS0,57600
[Multiboot-module @ 0x176000, 0x40919c bytes]
__ __ ____ ___ ____
\ \/ /___ _ __ |___ \ / _ \ | ___|
\ // _ \ '_ \ __) || | | ||___ \
/ \ __/ | | | / __/ | |_| | ___) |
/_/\_\___|_| |_| |_____(_)___(_)____/
http://www.cl.cam.ac.uk/netos/xen
University of Cambridge Computer Laboratory
Xen version 2.0.5 (root@xxxxxxxxxx) (gcc version 3.3.5 (Debian 1:3.3.5-6)) Mon
May 16 00:16:42 CEST 2005
Latest ChangeSet: information unavailable
(XEN) Physical RAM map:
(XEN) 0000000000000000 - 00000000000a0000 (usable)
(XEN) 00000000000f0000 - 0000000000100000 (reserved)
(XEN) 0000000000100000 - 000000001f7f0000 (usable)
(XEN) 000000001f7f0000 - 000000001f7f3000 (ACPI NVS)
(XEN) 000000001f7f3000 - 000000001f800000 (ACPI data)
(XEN) 00000000fec00000 - 0000000100000000 (reserved)
(XEN) System RAM: 503MB (515648kB)
(XEN) Xen heap: 10MB (10780kB)
(XEN) CPU0: Before vendor init, caps: bfebfbff 00000000 00000000, vendor = 0
(XEN) CPU#0: Hyper-Threading is disabled
(XEN) CPU caps: bfebfbff 00000000 00000000 00000000
(XEN) found SMP MP-table at 000f4ed0
(XEN) ACPI: RSDP (v000 VIAP4M ) @ 0x000f6870
(XEN) ACPI: RSDT (v001 VIAP4M AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x1f7f3000
(XEN) ACPI: FADT (v001 VIAP4M AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x1f7f3040
(XEN) ACPI: MADT (v001 VIAP4M AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x1f7f6c80
(XEN) ACPI: DSDT (v001 VIAP4M AWRDACPI 0x00001000 MSFT 0x0100000d) @ 0x00000000
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
(XEN) Processor #0 Pentium 4(tm) XEON(tm) APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] disabled)
(XEN) ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
(XEN) Using ACPI for processor (LAPIC) configuration information
(XEN) Intel MultiProcessor Specification v1.4
(XEN) Virtual Wire compatibility mode.
(XEN) OEM ID: OEM00000 Product ID: PROD00000000 APIC at: 0xFEE00000
(XEN) I/O APIC #2 Version 17 at 0xFEC00000.
(XEN) Enabling APIC mode: Flat. Using 1 I/O APICs
(XEN) Processors: 1
(XEN) Using scheduler: Borrowed Virtual Time (bvt)
(XEN) Initializing CPU#0
(XEN) Detected 2404.128 MHz processor.
(XEN) CPU0: Before vendor init, caps: bfebfbff 00000000 00000000, vendor = 0
(XEN) CPU#0: Hyper-Threading is disabled
(XEN) CPU caps: bfebfbff 00000000 00000000 00000000
(XEN) CPU0 booted
(XEN) enabled ExtINT on CPU#0
(XEN) ESR value before enabling vector: 00000000
(XEN) ESR value after enabling vector: 00000000
(XEN) Error: only one processor found.
(XEN) ENABLING IO-APIC IRQs
(XEN) Setting 2 in the phys_id_present_map
(XEN) ...changing IO-APIC physical APIC ID to 2 ... ok.
(XEN) init IO_APIC IRQs
(XEN) ..TIMER: vector=0x41 pin1=2 pin2=0
(XEN) Using local APIC timer interrupts.
(XEN) Calibrating APIC timer for CPU0...
(XEN) ..... CPU speed is 2404.1072 MHz.
(XEN) ..... Bus speed is 100.1710 MHz.
(XEN) ..... bus_scale = 0x00006695
(XEN) Time init:
(XEN) .... System Time: 20002419ns
(XEN) .... cpu_freq: 00000000:8F4C17D0
(XEN) .... scale: 00000001:A9EF1633
(XEN) .... Wall Clock: 1116279984s 170000us
(XEN) PCI: PCI BIOS revision 2.10 entry at 0xfb300, 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 [1106/3177] at 00:11.0
(XEN) PCI->APIC IRQ transform: (B0,I9,P0) -> 17
(XEN) PCI->APIC IRQ transform: (B0,I17,P0) -> 15
(XEN) PCI->APIC IRQ transform: (B0,I18,P0) -> 23
(XEN) PCI->APIC IRQ transform: (B1,I0,P0) -> 16
(XEN) PCI: Via IRQ fixup for 00:10.1, from 255 to 0
(XEN) PCI: Via IRQ fixup for 00:10.2, from 255 to 0
(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->0100919c
(XEN) Initrd image: 00000000->00000000
(XEN) Dom0 alloc.: 01400000->01420000
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: c0100000->c053a604
(XEN) Init. ramdisk: c053b000->c053b000
(XEN) Phys-Mach map: c053b000->c053b080
(XEN) Page tables: c053c000->c053f000
(XEN) Start info: c053f000->c0540000
(XEN) Boot stack: c0540000->c0541000
(XEN) TOTAL: c0000000->c0800000
(XEN) ENTRY ADDRESS: c0100000
(XEN) Initial guest OS requires too much space
(XEN) (8MB is greater than 0MB limit)
****************************************
Could not set up DOM0 guest OS
Aieee! CPU0 is toast...
****************************************
Reboot in five seconds...
Regards
Michael
--
It's an insane world, but i'm proud to be a part of it. -- Bill Hicks
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