[Xen-users] Success report with questions.

[Steve Thompson <steve49152@xxxxxxxx>]

I have managed to install xen-3.3.0 on my laptop and have it working properly 
so far.  I must offer my gratitude to the developers who built such a useful 
system.  VMware has been around for ages and yet for one reason or another I 
was not been exposed to it and therefore never before acquired an appreciation 
of its capabilities.  Xen allows otherwise isolated individuals to 'move to the 
next level', as it were, and greatly improve their knowledge of 
Enterprise-class systems and cluster services.  Thank you.

The hardware I am using is fairly uninteresting, a Dell Insprion 8200 (P4m 
1.6GHz, Nvidia) with half a gig of ram and a 120G HDD, which mostly works under 
Linux.  The OS was once a Slackware distribution but I have been working for 
some time now to convert it to a hand-rolled installation which violates the 
FSSTND in several ways, but which is nevertheless amusing as it provides 
opportunities to learn lessons on the practical value of autoconf and the 
assumptions that are commonly made by developers.

Needless to say I had some difficulty getting everything running, but no total 
showstoppers.  It helps that I've been using Linux for several years and so 
compiling packages from source is a routine activity.  I intend to experiment 
quite a bit with Xen as I realize that machine virtualization under a 
hypervisor will be a persistent feature of cluster computing for the forseeable 
future.  Now that I have a skeleton framework up and running my immediate plans 
are (in no particular order):

- My current testing domU boot environment fits in 4M disk and runs with only 
8M ram and some swap.  I have not yet aggressively optimised for space, and I 
doubt that I will bother doing much in that direction.  Static linked 
applications will far outstrip the modest requirements of this sort of setup, 
which is ideal for a firewall.  So, I will attempt to pass the PCMCIA bus 
and/or the on-board 10/100 Ethernet through to a domU and build a firewall.

- I'm considering also passing the USB ports through as well, but I don't know 
how practical that will be.  I expect headaches in this area and I would 
appreciate any practical tips from anyone who has made this sort of thing work 
on x86-32.

- I intend to Instantiate guest domains to isolate major network daemons from 
'work' domains and the firewall.  Servers for DNS, HTTP, NNTP, SMTP, etc will 
be isolated in small environments.  This seems rather straightforward.

- Obviously I like xen for the fact that testing arbitrary distros will become 
much, much easier.  ATM, I have a partition layout that accommodates three full 
operating system installations.  I should be able to pare that down to two 
without any risk whatsoever while using LVM to manage an arbitrary number of 
guest domains.  Perhaps now I'll get a chance to test-drive  Plan 9 and FreeBSD 
without also interrupting normal operations.

Beyond that, I envision IPV6 and all sorts of funky niche experimentations.  
This should be really interesting.  Soon, I may even develop an excuse to raise 
my consulting fees.  Heh.

At any rate, I have a few specific questions.  I'll interleave my text with the 
logs:

 __  __            _____  _____  ___  
 \ \/ /___ _ __   |___ / |___ / / _ \ 
  \  // _ \ '_ \    |_ \   |_ \| | | |
  /  \  __/ | | |  ___) | ___) | |_| |
 /_/\_\___|_| |_| |____(_)____(_)___/ 
                                      
(XEN) Xen version 3.3.0 (src@) (gcc version 4.3.2 (GCC) ) Sun Nov 30 13:47:37 
UTC 2008

    If I futz with the compiler optimizations, xen does not boot.  In 
particular,
    -march=pentium3 -mtune-pentium3 -O3 doesn't work, and neither will
    -mfpmath=sse,387 -msse.  It would be useful to know where the
    problem is, but I have no idea where to start looking, or the reasons
    why it is inadvisable to do this.

(XEN) Latest ChangeSet: unavailable
(XEN) Command line: vga=mode-775,keep dom0_mem=min:131072 
apic_verbosity=verbose console=vga watchdog console_timestamps noreboot lapic 
(XEN) Video information:
(XEN)  VGA is graphics mode 1280x1024, 8 bpp
(XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
(XEN)  EDID info not retrieved because no DDC retrieval method detected
(XEN) Disc information:
(XEN)  Found 1 MBR signatures
(XEN)  Found 1 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  0000000000000000 - 000000000009fc00 (usable)
(XEN)  000000000009fc00 - 00000000000a0000 (reserved)
(XEN)  0000000000100000 - 000000001ffe2800 (usable)
(XEN)  000000001ffe2800 - 0000000020000000 (reserved)
(XEN)  00000000feda0000 - 00000000fee00000 (reserved)
(XEN)  00000000ffb80000 - 0000000100000000 (reserved)
(XEN) System RAM: 511MB (523780kB)
(XEN) ACPI: RSDP 000FDE50, 0014 (r0 DELL  )
(XEN) ACPI: RSDT 000FDE64, 002C (r1 DELL    CPi R   27D40107 ASL        61)
(XEN) ACPI: FACP 000FDE90, 0074 (r1 DELL    CPi R   27D40107 ASL        61)
(XEN) ACPI: DSDT FFFE4000, 314E (r1 INT430 SYSFexxx     1001 MSFT  100000E)
(XEN) ACPI: FACS 1FFFF800, 0040
(XEN) ACPI: BOOT 000FDF04, 0028 (r1 DELL    CPi R   27D40107 ASL        61)
(XEN) Xen heap: 9MB (9812kB)
(XEN) Domain heap initialised
(XEN) Local APIC disabled by BIOS -- reenabling.
(XEN) Found and enabled local APIC!
(XEN) mapped APIC to fffdf000 (fee00000)
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 1595.327 MHz processor.
(XEN) CPU0: Intel(R) Pentium(R) 4 Mobile CPU 1.60GHz stepping 04
(XEN) enabled ExtINT on CPU#0
(XEN) Testing NMI watchdog --- CPU#0 okay. 
(XEN) Using local APIC timer interrupts.
(XEN) calibrating APIC timer ...
(XEN) ..... CPU clock speed is 1595.3094 MHz.
(XEN) ..... host bus clock speed is 99.7065 MHz.
(XEN) ..... bus_scale = 0x0000661A
(XEN) Platform timer is 3.579MHz ACPI PM Timer
(XEN) [2008-12-10 22:05:35] Brought up 1 CPUs
(XEN) [2008-12-10 22:05:35] I/O virtualisation disabled
(XEN) [2008-12-10 22:05:35] *** LOADING DOMAIN 0 ***
(XEN) [2008-12-10 22:05:35]  Xen  kernel: 32-bit, PAE, lsb
(XEN) [2008-12-10 22:05:35]  Dom0 kernel: 32-bit, PAE, lsb, paddr 0xc0100000 -> 
0xc05e26cc

    Do I really need PAE on an x86-32 system?  ISTR that I tested xen 3.2
   briefly and compiled it without the extra level of indirection.  The config
   for xen does not have this as an option anymore.

(XEN) [2008-12-10 22:05:35] PHYSICAL MEMORY ARRANGEMENT:
(XEN) [2008-12-10 22:05:35]  Dom0 alloc.:   000000001e800000->000000001f000000 
(116724 pages to be allocated)
(XEN) [2008-12-10 22:05:35] VIRTUAL MEMORY ARRANGEMENT:
(XEN) [2008-12-10 22:05:35]  Loaded kernel: c0100000->c05e26cc
(XEN) [2008-12-10 22:05:35]  Init. ramdisk: c05e3000->c05e3000
(XEN) [2008-12-10 22:05:35]  Phys-Mach map: c05e3000->c0656fd0
(XEN) [2008-12-10 22:05:35]  Start info:    c0657000->c0657474
(XEN) [2008-12-10 22:05:35]  Page tables:   c0658000->c0661000
(XEN) [2008-12-10 22:05:35]  Boot stack:    c0661000->c0662000
(XEN) [2008-12-10 22:05:35]  TOTAL:         c0000000->c0800000
(XEN) [2008-12-10 22:05:35]  ENTRY ADDRESS: c0100000
(XEN) [2008-12-10 22:05:35] Dom0 has maximum 1 VCPUs
(XEN) [2008-12-10 22:05:35] Scrubbing Free RAM: done.
(XEN) [2008-12-10 22:05:35] Xen trace buffers: disabled
(XEN) [2008-12-10 22:05:35] Std. Loglevel: Errors and warnings
(XEN) [2008-12-10 22:05:35] Guest Loglevel: Nothing (Rate-limited: Errors and 
warnings)
(XEN) [2008-12-10 22:05:35] *** Serial input -> DOM0 (type 'CTRL-a' three times 
to switch input to Xen)

    I have no idea what this means.  Will someone explain what xen does with
    its console and how it is accessed?

(XEN) [2008-12-10 22:05:35] Freed 104kB init memory.


Dom0 is 2.6.18.8 from the xensource server:

Truncated intro....000000:deda0000)
Detected 1595.366 MHz processor.
Built 1 zonelists.  Total pages: 120820
Kernel command line: root=/dev/root ro lapic acpi_sleep=s3_bios 
resume=/dev/swap 

    Suspend to RAM works, but on this laptop it causes the video display
    to go white and as yet I have no workaround.  Later vanilla kernels
    suspend to disk just works.

Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 2048 (order: 11, 8192 bytes)
Xen reported: 1595.302 MHz processor.
Console: colour dummy device 80x25
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Software IO TLB enabled: 
 Aperture:     2 megabytes
 Kernel range: c06dc000 - c08dc000
 Address size: 24 bits
vmalloc area: de000000-f56b3000, maxmem 2d7fe000
Memory: 462228k/483280k available (3246k kernel code, 12764k reserved, 1144k 
data, 224k init, 0k high mem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 3192.70 BogoMIPS (lpj=15963538)
Mount-cache hash table entries: 512
CPU: After generic identify, caps: 1fc99375 00000000 00000000 00000000 00000000 
00000000 00000000
CPU: After vendor identify, caps: 1fc99375 00000000 00000000 00000000 00000000 
00000000 00000000
CPU: Trace cache: 12K uops, L1 D cache: 8K
CPU: L2 cache: 512K
CPU: After all inits, caps: 1fc99375 00000000 00000000 00000080 00000000 
00000000 00000000
CPU: Intel(R) Pentium(R) 4 Mobile CPU 1.60GHz stepping 04
Checking 'hlt' instruction... OK.
ACPI: Core revision 20060707
ACPI: setting ELCR to 0200 (from 0800)
NET: Registered protocol family 16
ACPI: ACPI Dock Station Driver 
ACPI: bus type pci registered
PCI: Using configuration type 1
Setting up standard PCI resources
ACPI: Interpreter enabled
ACPI: Using PIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI: Probing PCI hardware (bus 00)
ACPI: Assume root bridge [\_SB_.PCI0] bus is 0
PCI quirk: region 0800-087f claimed by ICH4 ACPI/GPIO/TCO
PCI quirk: region 0880-08bf claimed by ICH4 GPIO
PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
Boot video device is 0000:01:00.0
PCI: Transparent bridge - 0000:00:1e.0
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 9 10 *11)
ACPI: PCI Interrupt Link [LNKB] (IRQs 5 7) *11
ACPI: PCI Interrupt Link [LNKC] (IRQs 9 10 *11)
ACPI: PCI Interrupt Link [LNKD] (IRQs 5 7 9 10 *11)
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.AGP_._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIE._PRT]
ACPI: Power Resource [PADA] (on)
xen_mem: Initialising balloon driver.
SCSI subsystem initialized
usbcore: registered new driver usbfs
usbcore: registered new driver hub
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq".  If it helps, post a report
PCI: Bridge: 0000:00:01.0
  IO window: c000-cfff
  MEM window: fc000000-fdffffff
  PREFETCH window: e0000000-e7ffffff
PCI: Bus 3, cardbus bridge: 0000:02:01.0
  IO window: 0000e000-0000e0ff
  IO window: 0000e400-0000e4ff
  PREFETCH window: 30000000-31ffffff
  MEM window: f4000000-f5ffffff
PCI: Bus 7, cardbus bridge: 0000:02:01.1
  IO window: 0000e800-0000e8ff
  IO window: 00001000-000010ff
  PREFETCH window: 32000000-33ffffff
  MEM window: f6000000-f7ffffff
PCI: Bridge: 0000:00:1e.0
  IO window: e000-ffff
  MEM window: f4000000-fbffffff
  PREFETCH window: 30000000-34ffffff
PCI: Setting latency timer of device 0000:00:1e.0 to 64
PCI: Enabling device 0000:02:01.0 (0000 -> 0003)
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
PCI: setting IRQ 11 as level-triggered
ACPI: PCI Interrupt 0000:02:01.0[A] -> Link [LNKD] -> GSI 11 (level, low) -> 
IRQ 11
PCI: Enabling device 0000:02:01.1 (0000 -> 0003)
ACPI: PCI Interrupt 0000:02:01.1[A] -> Link [LNKD] -> GSI 11 (level, low) -> 
IRQ 11
NET: Registered protocol family 2
IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
TCP established hash table entries: 16384 (order: 4, 65536 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 16384 bind 8192)
TCP reno registered
Simple Boot Flag at 0x79 set to 0x1
JFS: nTxBlock = 3711, nTxLock = 29693
Initializing Cryptographic API
io scheduler noop registered
io scheduler cfq registered (default)
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
fakephp: Fake PCI Hot Plug Controller Driver
acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
acpiphp_glue: can't get bus number, assuming 0
ACPI: Assume root bridge [\_SB_.PCI0] bus is 0
decode_hpp: Could not get hotplug parameters. Use defaults
acpiphp: Slot [1] registered
acpiphp_glue: sibling found, but _SUN doesn't match!
decode_hpp: Could not get hotplug parameters. Use defaults
kobject_add failed for 1 with -EEXIST, don't try to register things with the 
same name in the same directory.
 [<c0219bec>] kobject_add+0x11a/0x16f
 [<c0219d2a>] kobject_register+0x19/0x35
 [<c022e7be>] pci_hp_register+0x61/0x233
 [<c022fabc>] acpiphp_register_hotplug_slot+0x124/0x198
 [<c0230a6d>] register_slot+0x319/0x398
 [<c0119948>] vprintk+0x28e/0x323
 [<c025112b>] acpi_ns_walk_namespace+0x87/0xfc
 [<c024fb3b>] acpi_walk_namespace+0x43/0x60
 [<c0230754>] register_slot+0x0/0x398
 [<c023010d>] init_bridge_misc+0x47/0xe2
 [<c0230754>] register_slot+0x0/0x398
 [<c0230d29>] find_p2p_bridge+0x1c3/0x2a0
 [<c025112b>] acpi_ns_walk_namespace+0x87/0xfc
 [<c024fb3b>] acpi_walk_namespace+0x43/0x60
 [<c0230b66>] find_p2p_bridge+0x0/0x2a0
 [<c02306d3>] add_bridge+0x119/0x19a
 [<c0230b66>] find_p2p_bridge+0x0/0x2a0
 [<c024fb47>] acpi_walk_namespace+0x4f/0x60
 [<c025e749>] acpi_pci_register_driver+0x35/0x4c
 [<c056039f>] acpiphp_glue_init+0x4d/0x53
 [<c0231958>] find_root_bridges+0x0/0x38
 [<c0560285>] acpiphp_init+0x27/0x48
 [<c01020a1>] init+0x86/0x395
 [<c0104c42>] ret_from_fork+0x6/0x1c
 [<c010201b>] init+0x0/0x395
 [<c010201b>] init+0x0/0x395
 [<c0102ab5>] kernel_thread_helper+0x5/0xb
pci_hotplug: Unable to register kobject<3>acpiphp: pci_hp_register failed with 
error -22
acpiphp_glue: acpiphp_register_hotplug_slot failed(err code = 0xffffffea)

    This is probably an issue with the mainline kernel as this box
    has no hotplug hardware.  No worries here.

kobject_add failed for 1 with -EEXIST, don't try to register things with the 
same name in the same directory.
 [<c0219bec>] kobject_add+0x11a/0x16f
 [<c0219d2a>] kobject_register+0x19/0x35
 [<c022e7be>] pci_hp_register+0x61/0x233
 [<c022fabc>] acpiphp_register_hotplug_slot+0x124/0x198
 [<c0230a6d>] register_slot+0x319/0x398
 [<c0119948>] vprintk+0x28e/0x323
[<c025112b>] acpi_ns_walk_namespace+0x87/0xfc
 [<c024fb3b>] acpi_walk_namespace+0x43/0x60
 [<c0230754>] register_slot+0x0/0x398
 [<c023010d>] init_bridge_misc+0x47/0xe2
 [<c0230754>] register_slot+0x0/0x398
 [<c0230d29>] find_p2p_bridge+0x1c3/0x2a0
 [<c025112b>] acpi_ns_walk_namespace+0x87/0xfc
 [<c024fb3b>] acpi_walk_namespace+0x43/0x60
 [<c0230b66>] find_p2p_bridge+0x0/0x2a0
 [<c02306d3>] add_bridge+0x119/0x19a
 [<c0230b66>] find_p2p_bridge+0x0/0x2a0
 [<c024fb47>] acpi_walk_namespace+0x4f/0x60
 [<c025e749>] acpi_pci_register_driver+0x35/0x4c
 [<c056039f>] acpiphp_glue_init+0x4d/0x53
 [<c0231958>] find_root_bridges+0x0/0x38
 [<c0560285>] acpiphp_init+0x27/0x48
 [<c01020a1>] init+0x86/0x395
 [<c0104c42>] ret_from_fork+0x6/0x1c
 [<c010201b>] init+0x0/0x395
 [<c010201b>] init+0x0/0x395
 [<c0102ab5>] kernel_thread_helper+0x5/0xb
pci_hotplug: Unable to register kobject<3>acpiphp: pci_hp_register failed with 
error -22
acpiphp_glue: acpiphp_register_hotplug_slot failed(err code = 0xffffffea)
vesafb: framebuffer at 0xe0000000, mapped to 0xde280000, using 2560k, total 
32768k
vesafb: mode is 1280x1024x8, linelength=1280, pages=0
vesafb: scrolling: redraw
vesafb: Pseudocolor: size=8:8:8:8, shift=0:0:0:0
Console: switching to colour frame buffer device 160x64
fb0: VESA VGA frame buffer device
ACPI: AC Adapter [AC] (on-line)
ACPI: Battery Slot [BAT0] (battery absent)
ACPI: Battery Slot [BAT1] (battery present)
ACPI: Lid Switch [LID]
ACPI: Power Button (CM) [PBTN]
ACPI: Sleep Button (CM) [SBTN]
ACPI: Video Device [VID] (multi-head: yes  rom: no  post: no)

  ACPI power events cause a hard lockup.  Later vanilla kernels have
  no such problem.  CPUFREQ is MIA.  No clue as to why.

Using specific hotkey driver
lp: driver loaded but no devices found
Real Time Clock Driver v1.12ac
Non-volatile memory driver v1.2
Dell laptop SMM driver v1.14 21/02/2005 Massimo Dal Zotto (dz@xxxxxxxxxx)
Linux agpgart interface v0.101 (c) Dave Jones
[drm] Initialized drm 1.0.1 20051102
parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE]
parport0: irq 7 detected
lp0: using parport0 (polling).
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
usbcore: registered new driver ub
Xen virtual console successfully installed as xvc0

    This driver is confusing, I fail to see its usefulness.  If I boot a 
    domU with xvc0 enabled (as opposed to tty), console messges
    do not appear, and I am unclear as to the reason.  It's probably
    something simple, but the documentation I have read to date
    does not clarify the distinction.

Event-channel device installed.
Successfully initialized TPM backend driver.
netfront: Initialising virtual ethernet driver.
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ICH3M: IDE controller at PCI sltot 0000:00:1f.1
PCI: Enabling device 0000:00:1f.1 (0005 -> 0007)
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
ACPI: PCI Interrupt 0000:00:1f.1[A] -> Link [LNKA] -> GSI 11 (level, low) -> 
IRQ 11
ICH3M: chipset revision 2
ICH3M: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xbfa0-0xbfa7, BIOS settings: hda:DMA, hdb:DMA
    ide1: BM-DMA at 0xbfa8-0xbfaf, BIOS settings: hdc:pio, hdd:pio
Probing IDE interface ide0...
hda: DISKCO BIGMANLYDISK, ATA DISK drive
hdb: MATSHITA CD-RW/DVD-ROM UJDA740, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Probing IDE interface ide1...
hda: max request size: 128KiB
hda: lots of sectors (120 GliB) w/some Cache, CHS=65535/16/63, UDMA(100)
hda: cache flushes supported
 hda: <partitions>
hdb: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
USB Universal Host Controller Interface driver v3.0
ACPI: PCI Interrupt 0000:00:1d.0[A] -> Link [LNKA] -> GSI 11 (level, low) -> 
IRQ 11
PCI: Setting latency timer of device 0000:00:1d.0 to 64
uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:1d.0: irq 11, io base 0x0000bf80
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
ACPI: PCI Interrupt 0000:00:1d.2[C] -> Link [LNKC] -> GSI 11 (level, low) -> 
IRQ 11
PCI: Setting latency timer of device 0000:00:1d.2 to 64
uhci_hcd 0000:00:1d.2: UHCI Host Controller
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:1d.2: irq 11, io base 0x0000bf20
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
Initializing USB Mass Storage driver...
usbcore: registered new driver usb-storage
USB Mass Storage support registered.
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
mice: PS/2 mouse device common for all mice

    Oddly enough, later vanilla kernels see the touchpad and clit as one
    device, but in the xensource kernel I get two /dev/input/mouse
    devices, both of which are required if I want point  and more
    importantly, 'click' on something.  Not a problem, but I suspect this
    bites some people.

i2c /dev entries driver
md: linear personality registered for level -1
md: raid0 personality registered for level 0
md: raid1 personality registered for level 1
md: raid10 personality registered for level 10
raid6: int32x1    435 MB/s
raid6: int32x2    412 MB/s
raid6: int32x4    578 MB/s
raid6: int32x8    335 MB/s
raid6: mmxx1     1191 MB/s
raid6: mmxx2     1473 MB/s
raid6: sse1x1     717 MB/s
raid6: sse1x2    1304 MB/s
raid6: sse2x1    1207 MB/s
raid6: sse2x2    1579 MB/s
raid6: using algorithm sse2x2 (1579 MB/s)
md: raid6 personality registered for level 6
md: raid5 personality registered for level 5
md: raid4 personality registered for level 4
raid5: automatically using best checksumming function: pIII_sse
   pIII_sse  :   621.200 MB/sec
raid5: using function: pIII_sse (621.200 MB/sec)
md: multipath personality registered for level -4
md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: bitmap version 4.39
device-mapper: ioctl: 4.7.0-ioctl (2006-06-24) initialised: dm-devel@xxxxxxxxxx
Advanced Linux Sound Architecture Driver Version 1.0.12rc1 (Thu Jun 22 13:55:50 
2006 UTC).
ALSA device list:
  No soundcards found.
GACT probability on
Mirror/redirect action on
Simple TC action Loaded
netem: version 1.2
u32 classifier
    Performance counters on
    input device check on 
    Actions configured 
Netfilter messages via NETLINK v0.30.
IPv4 over IPv4 tunneling driver
ip_conntrack version 2.4 (3775 buckets, 30200 max) - 228 bytes per conntrack
input: AT Translated Set 2 keyboard as /class/input/input0
ctnetlink v0.90: registering with nfnetlink.
ip_conntrack_pptp version 3.1 loaded
ip_nat_pptp version 3.0 loaded
ip_tables: (C) 2000-2006 Netfilter Core Team
input: DualPoint Stick as /class/input/input1
input: AlpsPS/2 ALPS DualPoint TouchPad as /class/input/input2
ClusterIP Version 0.8 loaded successfully
arp_tables: (C) 2002 David S. Miller
TCP bic registered
Initializing IPsec netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
NET: Registered protocol family 15
Bridge firewalling registered
Ebtables v2.0 registered
802.1Q VLAN Support v1.8 Ben Greear <greearb@xxxxxxxxxxxxxxx>
All bugs added by David S. Miller <davem@xxxxxxxxxx>
CCID: Registered CCID 3 (ccid3)
CCID: Registered CCID 2 (ccid2)
Using IPI Shortcut mode
ACPI: (supports S0 S1 S3 S4 S5)
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
UDF-fs: No VRS found
VFS: Mounted root (jfs filesystem) readonly.
Freeing unused kernel memory: 224k freed
ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 7
PCI: setting IRQ 7 as level-triggered
ACPI: PCI Interrupt 0000:00:1f.5[B] -> Link [LNKB] -> GSI 7 (level, low) -> IRQ 
7
PCI: Setting latency timer of device 0000:00:1f.5 to 64
intel8x0_measure_ac97_clock: measured 59044 usecs
intel8x0: clocking to 48000
ACPI: PCI Interrupt 0000:02:00.0[A] -> Link [LNKC] -> GSI 11 (level, low) -> 
IRQ 11
3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
0000:02:00.0: 3Com PCI 3c905C Tornado at de028c00.
Yenta: CardBus bridge found at 0000:02:01.0 [1028:00d4]
Yenta: Using CSCINT to route CSC interrupts to PCI
Yenta: Routing CardBus interrupts to PCI
Yenta TI: socket 0000:02:01.0, mfunc 0x05033002, devctl 0x64
Yenta: ISA IRQ mask 0x0438, PCI irq 11
Socket status: 30000006
pcmcia: parent PCI bridge I/O window: 0xe000 - 0xffff
pcmcia: parent PCI bridge Memory window: 0xf4000000 - 0xfbffffff
pcmcia: parent PCI bridge Memory window: 0x30000000 - 0x34ffffff
Yenta: CardBus bridge found at 0000:02:01.1 [1028:00d4]
Yenta: Using CSCINT to route CSC interrupts to PCI
Yenta: Routing CardBus interrupts to PCI
Yenta TI: socket 0000:02:01.1, mfunc 0x05033002, devctl 0x64
Yenta: ISA IRQ mask 0x0438, PCI irq 11
Socket status: 30000006
pcmcia: parent PCI bridge I/O window: 0xe000 - 0xffff
pcmcia: parent PCI bridge Memory window: 0xf4000000 - 0xfbffffff
pcmcia: parent PCI bridge Memory window: 0x30000000 - 0x34ffffff
Adding 1953464k swap on /dev/swap.  Priority:-1 extents:1 across:1953464k
CSLIP: code copyright 1989 Regents of the University of California
PPP generic driver version 2.4.2
PPP Deflate Compression module registered
usbcore: registered new driver cdc_acm
drivers/usb/class/cdc-acm.c: v0.25:USB Abstract Control Model driver for USB 
modems and ISDN adapters
usbcore: registered new driver usblp
drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
Floppy drive(s): fd0 is 1.44M
floppy0: Unable to grab DMA2 for the floppy driver

    Probably my f/u as I've never used the device.

FDC 0 is a post-1991 82077



So far so good.  I think I'll be putting a little more RAM in the box soon just 
on general principles as xen does increase the overhead a bit, but I'm 
certainly not complaining!  Thanks again.


Regards,

Steve



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