[root@ServerXen34 vm]# cat intrepid.cfg
name="IntrepidPV"
memory=2048
disk = ['file:/etc/xen/isos/intrepid.iso,xvdb:cdrom,r', 'phy:/dev/sda6,xvda,w' ]
vif = [ 'bridge=eth0' ]
bootloader = "/usr/bin/pygrub"
kernel = "/install/vmlinuz"
ramdisk = "/install/initrd.gz"
vcpus=1


[root@ServerXen34 vm]# xm create -c intrepid.cfg
Using config file "./intrepid.cfg".
Started domain IntrepidPV
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 2.6.27-7-generic (buildd@yellow) (gcc version 4.3.2 (Ubuntu 4.3.2-1ubuntu10) ) #1 SMP Fri Oct 24 06:40:41 UTC 2008 (Ubuntu 2.6.27-7.14-generic)
[ 0.000000] Command line:
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] Centaur CentaurHauls
[ 0.000000] ACPI in unprivileged domain disabled
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] Xen: 0000000000000000 - 00000000000a0000 (usable)
[ 0.000000] Xen: 00000000000a0000 - 0000000000100000 (reserved)
[ 0.000000] Xen: 0000000000100000 - 000000000193a000 (usable)
[ 0.000000] Xen: 000000000193a000 - 0000000001d3d000 (reserved)
[ 0.000000] Xen: 0000000001d3d000 - 0000000080000000 (usable)
[ 0.000000] last_pfn = 0x80000 max_arch_pfn = 0x3ffffffff
[ 0.000000] init_memory_mapping
[ 0.000000] last_map_addr: 80000000 end: 80000000
[ 0.000000] RAMDISK: 008b9000 - 0193a000
[ 0.000000] DMI not present or invalid.
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at 0000000000000000-0000000080000000
[ 0.000000] Bootmem setup node 0 0000000000000000-0000000080000000
[ 0.000000] NODE_DATA [0000000000001000 - 0000000000005fff]
[ 0.000000] bootmap [0000000000008000 - 0000000000017fff] pages 10
[ 0.000000] (6 early reservations) ==> bootmem [0000000000 - 0080000000]
[ 0.000000] #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000]
[ 0.000000] #1 [0000006000 - 0000008000] TRAMPOLINE ==> [0000006000 - 0000008000]
[ 0.000000] #2 [0001d3d000 - 0001d50000] XEN PAGETABLES ==> [0001d3d000 - 0001d50000]
[ 0.000000] #3 [0000200000 - 00008b8f9c] TEXT DATA BSS ==> [0000200000 - 00008b8f9c]
[ 0.000000] #4 [00008b9000 - 000193a000] RAMDISK ==> [00008b9000 - 000193a000]
[ 0.000000] #5 [0001d50000 - 000213d000] PGTABLE ==> [0001d50000 - 000213d000]
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0x00000000 -> 0x00001000
[ 0.000000] DMA32 0x00001000 -> 0x00100000
[ 0.000000] Normal 0x00100000 -> 0x00100000
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] early_node_map[3] active PFN ranges
[ 0.000000] 0: 0x00000000 -> 0x000000a0
[ 0.000000] 0: 0x00000100 -> 0x0000193a
[ 0.000000] 0: 0x00001d3d -> 0x00080000
[ 0.000000] SMP: Allowing 1 CPUs, 0 hotplug CPUs
[ 0.000000] No local APIC present
[ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000
[ 0.000000] PM: Registered nosave memory: 000000000193a000 - 0000000001d3d000
[ 0.000000] Allocating PCI resources starting at 88000000 (gap: 80000000:80000000)
[ 0.000000] PERCPU: Allocating 64928 bytes of per cpu data
[ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 513250
[ 0.000000] Policy zone: DMA32
[ 0.000000] Kernel command line:
[ 0.000000] Initializing CPU#0
[ 0.000000] PID hash table entries: 4096 (order: 12, 32768 bytes)
[ 0.000000] Detected 3005.554 MHz processor.
[ 0.004000] Console: colour dummy device 80x25
[ 0.004000] console [tty0] enabled
[ 0.004000] console [hvc0] enabled
[ 0.004000] Checking aperture...
[ 0.004000] No AGP bridge found
[ 0.004000] Memory: 2031704k/2097152k available (3112k kernel code, 60956k reserved, 1575k data, 536k init)
[ 0.004000] SLUB: Genslabs=13, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.004000] installing Xen timer for CPU 0
[ 0.004000] Calibrating delay loop (skipped), value calculated using timer frequency.. 6011.10 BogoMIPS (lpj=12022216)
[ 0.004000] Security Framework initialized
[ 0.004000] SELinux: Disabled at boot.
[ 0.004000] AppArmor: AppArmor initialized
[ 0.004000] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
[ 0.004000] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.004000] Mount-cache hash table entries: 256
[ 0.004000] Initializing cgroup subsys ns
[ 0.004000] Initializing cgroup subsys cpuacct
[ 0.004000] Initializing cgroup subsys memory
[ 0.004000] CPU: L1 I cache: 32K, L1 D cache: 32K
[ 0.004000] CPU: L2 cache: 6144K
[ 0.004000] CPU 0/0 -> Node 0
[ 0.004000] CPU: Physical Processor ID: 0
[ 0.004000] CPU: Processor Core ID: 0
[ 0.004000] SMP alternatives: switching to UP code
[ 0.015314] Freeing SMP alternatives: 24k freed
[ 0.015367] cpu 0 spinlock event irq 1
[ 0.015437] Brought up 1 CPUs
[ 0.015716] net_namespace: 1552 bytes
[ 0.015722] Booting paravirtualized kernel on Xen
[ 0.015725] Xen version: 3.3.1-rc4 (preserve-AD)
[ 0.015828] Grant table initialized
[ 0.035676] Time: 165:165:165 Date: 165/165/65
[ 0.035700] NET: Registered protocol family 16
[ 0.036127] PCI: Fatal: No config space access function found
[ 0.036791] ACPI: Interpreter disabled.
[ 0.036796] Linux Plug and Play Support v0.97 (c) Adam Belay
[ 0.036829] pnp: PnP ACPI: disabled
[ 0.036838] xen_balloon: Initialising balloon driver.
[ 0.036838] PCI: System does not support PCI
[ 0.036838] PCI: System does not support PCI
[ 0.048048] NET: Registered protocol family 8
[ 0.048052] NET: Registered protocol family 20
[ 0.048085] NetLabel: Initializing
[ 0.048089] NetLabel: domain hash size = 128
[ 0.048092] NetLabel: protocols = UNLABELED CIPSOv4
[ 0.048105] NetLabel: unlabeled traffic allowed by default
[ 0.048111] PCI-GART: No AMD northbridge found.
[ 0.048430] tracer: 1286 pages allocated for 65536 entries of 80 bytes
[ 0.048434] actual entries 65586
[ 0.048498] AppArmor: AppArmor Filesystem Enabled
[ 0.048886] NET: Registered protocol family 2
[ 0.084094] IP route cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.084747] TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
[ 0.086045] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
[ 0.086353] TCP: Hash tables configured (established 262144 bind 65536)
[ 0.086358] TCP reno registered
[ 0.096065] NET: Registered protocol family 1
[ 0.096143] checking if image is initramfs... it is
[ 0.111423] Freeing initrd memory: 16900k freed
[ 0.116756] platform rtc_cmos: registered platform RTC device (no PNP device found)
[ 0.117163] audit: initializing netlink socket (disabled)
[ 0.117178] type=2000 audit(1230110523.385:1): initialized
[ 0.121228] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 0.123254] VFS: Disk quotas dquot_6.5.1
[ 0.123321] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.123401] msgmni has been set to 4129
[ 0.123487] io scheduler noop registered
[ 0.123491] io scheduler anticipatory registered
[ 0.123495] io scheduler deadline registered
[ 0.184152] io scheduler cfq registered (default)
[ 0.210999] Linux agpgart interface v0.103
[ 0.211043] Serial: 8250/16550 driver4 ports, IRQ sharing enabled
[ 0.213209] brd: module loaded
[ 0.213272] input: Macintosh mouse button emulation as /devices/virtual/input/input0
[ 0.213418] PNP: No PS/2 controller found. Probing ports directly.
[ 0.214240] i8042.c: No controller found.
[ 0.220124] mice: PS/2 mouse device common for all mice
[ 0.220168] rtc_cmos: probe of rtc_cmos failed with error -16
[ 0.220239] cpuidle: using governor ladder
[ 0.220243] cpuidle: using governor menu
Entering installer and proceed until :-
In order to access your CD-ROM drive, please enter the device file
│ that should be used. Non-standard CD-ROM drives use non-standard
│ device files (such as /dev/mcdx).
│
│ You may switch to the shell on the second terminal (ALT+F2) to check
│ the available devices in /dev with "ls /dev". You can return to this
│ screen by pressing ALT+F1.
│
│ Device file for accessing the CD-ROM:
│
│ /dev/xvdb______________________________
│
<Continue>

At this point, regardless "xm list -l IntrepidPV" shows :-
(device
(vbd
(protocol x86_64-abi)
(uuid 36c7e8ad-3698-cbac-120c-6ffaf96c3be1)
(dev xvdb:cdrom)
(uname file:/etc/xen/isos/intrepid.iso)
(mode r)
(backend 0)
(bootable 1)
(VDI )
)
Installer fails to detect CD-ROM device. Droping to shell and "ls -l /dev" also
doesn't report device /dev/xvdb present.
Hardware - C2D box.

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