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Re: [Xen-users] XEN 4.0 boot error

To: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-users] XEN 4.0 boot error
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Date: Thu, 8 Apr 2010 14:16:43 -0700 (PDT)
Cc: "For@ll" <forall@xxxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
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Sorry, you are right.

Boris.

--- On Thu, 4/8/10, Pasi Kärkkäinen <pasik@xxxxxx> wrote:

From: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-users] XEN 4.0 boot error
To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
Cc: "For@ll" <forall@xxxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
Date: Thursday, April 8, 2010, 4:44 PM

On Thu, Apr 08, 2010 at 01:12:10PM -0700, Boris Derzhavets wrote:
>    PV DomU seems to be loaded
>    Profile seems to reference root=/dev/sda1.
>    Try root=/dev/xvda1
>

No, I think he's trying to boot dom0.

-- Pasi

>    Boris.
>
>    --- On Thu, 4/8/10, For@ll <forall@xxxxxxxxxxxxx> wrote:
>
>      From: For@ll <forall@xxxxxxxxxxxxx>
>      Subject: Re: [Xen-users] XEN 4.0 boot error
>      To: xen-users@xxxxxxxxxxxxxxxxxxx
>      Date: Thursday, April 8, 2010, 3:46 PM
>
>      2010/4/8 Pasi KÀrkkÀinen <[1]pasik@xxxxxx>
>
>        On Thu, Apr 08, 2010 at 08:23:45PM +0200, Konto usnetu wrote:
>        >    2010/4/8 Pasi KÀrkkÀinen <[1][2]pasik@xxxxxx>
>        >
>        >      On Wed, Apr 07, 2010 at 08:51:39PM +0100, Ian Tobin wrote:
>        >      >    Hey all,
>        >      >
>        >      >    Just downloaded the new Xen 4.0 and ran
>        >      >
>        >      >    Make xen
>        >      >    Make tools
>        >      >    Make stubdom
>        >      >
>        >      >    Copied the new files from dist/install
>        >      >    Im already running pv_ops 2.6.31.6 kernel.
>        >      >
>        >      >    When I boot i get
>        >      >
>        >      >    (XEN) Panic on CPU 0:
>        >      >    (XEN) IO-APIC +  timer doesn't work!
>        >      >
>        >      >    I have tried booting with noapic boot option but makes no
>        >      difference.  The
>        >      >    system worked fine on 3.4.2
>        >      >
>        >      >    CPU is AMD.
>        >      >
>        >      >    Any ideas?
>        >      >
>        >
>        >      Well.. can you post a full serial console log of the boot
>        process?
>        >
>        >      See here for help:
>        [2][3]http://wiki.xensource.com/xenwiki/XenParavirtOps
>        >
>        >    I have the same problem to boot xen 4.0 on debian lenny 5.0,
>         under I
>        >    paste a some error:
>        >
>        >    41.017078]   Magic number: 6:876:244
>        >    [   41.061177] md: Waiting for all devices to be available before
>        >    autodetect
>        >    [   41.142579] md: If you don't use raid, use raid=noautodetect
>        >    [   41.211225] md: Autodetecting RAID arrays.
>        >    [   41.260417] md: Scanned 0 and added 0 devices.
>        >    [   41.313729] md: autorun ...
>        >    [   41.347281] md: ... autorun DONE.
>        >    [   41.387150] Root-NFS: No NFS server available, giving up.
>        >    [   41.451921] VFS: Unable to mount root fs via NFS, trying
>        floppy.
>        >    [   41.524664] VFS: Cannot open root device "sda1" or
>        unknown-block(2,0)
>
>        So the disk was not detected, or did you pass wrong root= parameter?
>
>        Please post the _full_ log.
>
>        -- Pasi
>
>        >    [   41.601913] Please append a correct "root=" boot option; here
>        are the
>        >    available partitions:
>        >    [   41.702180] 0b00         1048575 sr0 driver: sr
>        >    [   41.756691] Kernel panic - not syncing: VFS: Unable to mount
>        root fs on
>        >    unknown-block(2,0)
>        >    [   41.855912] Pid: 1, comm: swapper Not tainted 2.6.31.13 #2
>        >    [   41.921708] Call Trace:
>        >    [   41.951139]  [<c15e8386>] ? printk+0xf/0x11
>        >    [   42.001366]  [<c15e82ca>] panic+0x39/0xe6
>        >    [   42.049483]  [<c191ec2d>] mount_block_root+0x163/0x172
>        >    [   42.111158]  [<c1002930>] ? hypercall_page+0x930/0x1005
>        >    [   42.173838]  [<c191eca2>] mount_root+0x66/0x84
>        >    [   42.227178]  [<c191ee05>] prepare_namespace+0x145/0x16c
>        >    [   42.289857]  [<c191e34f>] kernel_init+0x16e/0x17d
>        >    [   42.346326]  [<c191e1e1>] ? kernel_init+0x0/0x17d
>        >    [   42.402764]  [<c1028d37>] kernel_thread_helper+0x7/0x10
>        >
>
>      Hi,
>
>      This is a longer version dmesg from console redirection ( ipmitool
>      connect to iRMC)
>
>      [   25.101873] xen_set_ioapic_routing: irq 16 gsi 16 vector 16 ioapic 0
>      pin 16 triggering 1 polarity 1
>      [   25.210426] pci 0000:00:1c.7: PCI INT A -> GSI 16 (level, low) -> IRQ
>      16
>      [   25.290926] NET: Registered protocol family 2
>      [   25.343369] IP route cache hash table entries: 32768 (order: 5,
>      131072 bytes)
>      [   25.429385] TCP established hash table entries: 131072 (order: 8,
>      1048576 bytes)
>      [   25.518783] TCP bind hash table entries: 65536 (order: 7, 524288
>      bytes)
>      [   25.598413] TCP: Hash tables configured (established 131072 bind
>      65536)
>      [   25.677741] TCP reno registered
>      [   25.715586] NET: Registered protocol family 1
>      [   25.767966] kvm: no hardware support
>      [   25.810908] has_svm: not amd
>      [   25.845501] kvm: no hardware support
>      [   25.888606] Simple Boot Flag at 0x50 set to 0x1
>      [   25.946611] Microcode Update Driver: v2.00
>      <[4]tigran@xxxxxxxxxxxxxxxxxxxx>, Peter Oruba
>      [   26.040604] Scanning for low memory corruption every 60 seconds
>      [   26.112527] audit: initializing netlink socket (disabled)
>      [   26.179722] type=2000 audit(1270763053.504:1): initialized
>      [   11.184373] highmem bounce pool size: 64 pages
>      [   11.237701] HugeTLB registered 2 MB page size, pre-allocated 0 pages
>      [   11.319190] VFS: Disk quotas dquot_6.5.2
>      [   11.366415] Dquot-cache hash table entries: 1024 (order 0, 4096
>      bytes)
>      [   11.445284] DLM (built Apr  8 2010 14:55:36) installed
>      [   11.508815] OCFS2 1.5.0
>      [   11.538530] ocfs2: Registered cluster interface o2cb
>      [   11.598381] ocfs2: Registered cluster interface user
>      [   11.657945] OCFS2 Node Manager 1.5.0
>      [   11.701011] OCFS2 DLM 1.5.0
>      [   11.734622] OCFS2 DLMFS 1.5.0
>      [   11.770430] OCFS2 User DLM kernel interface loaded
>      [   11.828680] Slow work thread pool: Starting up
>      [   11.882081] Slow work thread pool: Ready
>      [   11.929163] GFS2 (built Apr  8 2010 14:56:07) installed
>      [   11.991853] msgmni has been set to 1248
>      [   12.039039] alg: No test for stdrng (krng)
>      [   12.088412] Block layer SCSI generic (bsg) driver version 0.4 loaded
>      (major 252)
>      [   12.177207] io scheduler noop registered
>      [   12.224285] io scheduler anticipatory registered
>      [   12.279686] io scheduler deadline registered
>      [   12.330936] io scheduler cfq registered (default)
>      [   12.390106] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
>      [   12.457519] ACPI: AC Adapter [PSD] (on-line)
>      [   12.509066] input: Power Button as
>      /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
>      [   12.597857] ACPI: Power Button [PWRF]
>      [   12.641975] input: Power Button as
>      /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input1
>      [   12.740153] ACPI: Power Button [PWRB]
>      [   12.784590] ACPI: CPU-1 (power states: C1[C1] C2[C3])
>      [   12.845935] ACPI: CPU-1 (power states: C1[C1] C2[C3])
>      [   12.907366] ACPI: CPU-1 (power states: C1[C1] C2[C3])
>      [   12.968754] ACPI: CPU-1 (power states: C1[C1] C2[C3])
>      [   13.034662] Event-channel device installed.
>      [   13.088923] blktap_device_init: blktap device major 253
>      [   13.151673] blktap_ring_init: blktap ring major: 251
>      [   13.212676] registering netback
>      [   13.260648] hpet_acpi_add: no address or irqs in _CRS
>      [   13.321642] Non-volatile memory driver v1.3
>      [   13.372539] Linux agpgart interface v0.103
>      [   13.422152] [drm] Initialized drm 1.1.0 20060810
>      [   13.477799] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
>      Ë*[   13.797361] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>      [   13.872710] 00:0a: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>      [   13.946381] brd: module loaded
>      [   13.985783] loop: module loaded
>      [   14.024058] input: Macintosh mouse button emulation as
>      /devices/virtual/input/input2
>      [   14.118477] xen_set_ioapic_routing: irq 22 gsi 22 vector 22 ioapic 0
>      pin 22 triggering 1 polarity 1
>      [   14.227076] ata_piix 0000:00:1f.2: PCI INT A -> GSI 22 (level, low)
>      -> IRQ 22
>      [   14.312643] ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
>      [   14.375473] scsi0 : ata_piix
>      [   14.410844] scsi1 : ata_piix
>      [   14.445932] ata1: SATA max UDMA/133 cmd 0x1f0 ctl 0x3f6 bmdma 0x1870
>      irq 14
>      [   14.529487] ata2: SATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0x1878
>      irq 15
>      [   14.613055] xen_set_ioapic_routing: irq 23 gsi 23 vector 23 ioapic 0
>      pin 23 triggering 1 polarity 1
>      [   14.721616] ata_piix 0000:00:1f.5: PCI INT B -> GSI 23 (level, low)
>      -> IRQ 23
>      [   14.807293] ata_piix 0000:00:1f.5: MAP [ P0 -- P1 -- ]
>      [   14.870023] scsi2 : ata_piix
>      [   14.905173] scsi3 : ata_piix
>      [   14.940127] ata3: SATA max UDMA/133 cmd 0x18c8 ctl 0x18bc bmdma
>      0x1890 irq 23
>      [   15.025708] ata4: SATA max UDMA/133 cmd 0x18c0 ctl 0x18b8 bmdma
>      0x1898 irq 23
>      [   15.112211] Intel(R) PRO/1000 Network Driver - version 7.3.21-k3-NAPI
>      [   15.189453] Copyright (c) 1999-2006 Intel Corporation.
>      [   30.313754] ata2.00: SATA link down (SStatus 0 SControl 300)
>      [   30.313848] ata2.01: SATA link down (SStatus 0 SControl 300)
>      [   30.326241] ata1.00: SATA link down (SStatus 0 SControl 300)
>      [   30.326268] ata1.01: SATA link down (SStatus 0 SControl 300)
>      [   30.500741] ata4: SATA link down (SStatus 0 SControl 300)
>      [   15.587630] e1000e: Intel(R) PRO/1000 Network Driver - 1.0.2-k2
>      [   16.373656] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>      [   16.392986] ata3.00: ATAPI: HL-DT-ST DVDRAM GT20N, CW03, max UDMA/133
>      [   16.414991] ata3.00: configured for UDMA/133
>      [   30.751248] scsi 2:0:0:0: CD-ROM            HL-DT-ST DVDRAM GT20N
>      CW03 PQ: 0 ANSI: 5
>      [   30.763236] sr0: scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw
>      xa/form2 cdda tray
>      [   30.763240] Uniform CD-ROM driver Revision: 3.20
>      [   30.764188] sr 2:0:0:0: Attached scsi generic sg0 type 5
>      [   16.167491] e1000e: Copyright (c) 1999-2008 Intel Corporation.
>      [   16.237533] xen_set_ioapic_routing: irq 17 gsi 17 vector 17 ioapic 0
>      pin 17 triggering 1 polarity 1
>      [   16.346385] e1000e 0000:00:19.0: PCI INT A -> GSI 17 (level, low) ->
>      IRQ 17
>      [   16.429871] e1000e 0000:00:19.0: pci_enable_pcie_error_reporting
>      failed 0xfffffffb
>      [   16.631590] 0000:00:19.0: eth0: (PCI Express:2.5GB/s:Width x1)
>      00:40:d0:c0:94:ab
>      [   16.720405] 0000:00:19.0: eth0: Intel(R) PRO/1000 Network Connection
>      [   16.798930] 0000:00:19.0: eth0: MAC: 9, PHY: 9, PBA No: 313130-032
>      [   16.873209] xen_set_ioapic_routing: irq 18 gsi 18 vector 18 ioapic 0
>      pin 18 triggering 1 polarity 1
>      [   16.981766] e1000e 0000:06:00.0: PCI INT A -> GSI 18 (level, low) ->
>      IRQ 18
>      [   17.151067] 0000:06:00.0: eth1: (PCI Express:2.5GB/s:Width x1)
>      00:40:d0:c0:94:aa
>      [   17.239785] 0000:06:00.0: eth1: Intel(R) PRO/1000 Network Connection
>      [   17.316095] 0000:06:00.0: eth1: MAC: 3, PHY: 8, PBA No: 313132-030
>      [   17.390967] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI
>      [   17.464089] e100: Copyright(c) 1999-2006 Intel Corporation
>      [   17.530921] sky2 driver version 1.23
>      [   17.575855] console [netcon0] enabled
>      [   17.619813] netconsole: network logging started
>      [   17.674531] Fusion MPT base driver 3.04.10
>      [   17.723728] Copyright (c) 1999-2008 LSI Corporation
>      [   17.782276] Fusion MPT FC Host driver 3.04.10
>      [   17.834877] Fusion MPT misc device (ioctl) driver 3.04.10
>      [   17.900030] mptctl: Registered with Fusion MPT base driver
>      [   17.965842] mptctl: /dev/mptctl @ (major,minor=10,220)
>      [   18.028613] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI)
>      Driver
>      [   18.106968] xen_set_ioapic_routing: irq 21 gsi 21 vector 21 ioapic 0
>      pin 21 triggering 1 polarity 1
>      [   18.215560] ehci_hcd 0000:00:1a.0: PCI INT A -> GSI 21 (level, low)
>      -> IRQ 21
>      [   18.301142] ehci_hcd 0000:00:1a.0: EHCI Host Controller
>      [   18.364179] ehci_hcd 0000:00:1a.0: new USB bus registered, assigned
>      bus number 1
>      [   18.456986] ehci_hcd 0000:00:1a.0: debug port 2
>      [   18.511435] ehci_hcd 0000:00:1a.0: irq 21, io mem 0xce003000
>      [   18.589288] ehci_hcd 0000:00:1a.0: USB 2.0 started, EHCI 1.00
>      [   18.658307] usb usb1: New USB device found, idVendor=1d6b,
>      idProduct=0002
>      [   18.739739] usb usb1: New USB device strings: Mfr=3, Product=2,
>      SerialNumber=1
>      [   18.826521] usb usb1: Product: EHCI Host Controller
>      [   18.885035] usb usb1: Manufacturer: Linux 2.6.31.13 ehci_hcd
>      [   18.952915] usb usb1: SerialNumber: 0000:00:1a.0
>      [   19.008822] usb usb1: configuration #1 chosen from 1 choice
>      [   19.076102] hub 1-0:1.0: USB hub found
>      [   19.121247] hub 1-0:1.0: 2 ports detected
>      [   19.169523] xen_set_ioapic_routing: irq 20 gsi 20 vector 20 ioapic 0
>      pin 20 triggering 1 polarity 1
>      [   19.278107] ehci_hcd 0000:00:1d.0: PCI INT A -> GSI 20 (level, low)
>      -> IRQ 20
>      [   19.363693] ehci_hcd 0000:00:1d.0: EHCI Host Controller
>      [   19.426837] ehci_hcd 0000:00:1d.0: new USB bus registered, assigned
>      bus number 2
>      [   19.519665] ehci_hcd 0000:00:1d.0: debug port 2
>      [   19.574137] ehci_hcd 0000:00:1d.0: irq 20, io mem 0xce004000
>      [   20.413312] usb 1-1: new high speed USB device using ehci_hcd and
>      address 2
>      [   19.760373] ehci_hcd 0000:00:1d.0: USB 2.0 started, EHCI 1.00
>      [   19.829381] usb usb2: New USB device found, idVendor=1d6b,
>      idProduct=0002
>      [   19.910786] usb usb2: New USB device strings: Mfr=3, Product=2,
>      SerialNumber=1
>      [   19.997491] usb usb2: Product: EHCI Host Controller
>      [   20.056022] usb usb2: Manufacturer: Linux 2.6.31.13 ehci_hcd
>      [   20.123938] usb usb2: SerialNumber: 0000:00:1d.0
>      [   20.179767] usb usb2: configuration #1 chosen from 1 choice
>      [   35.261351] usb 1-1: New USB device found, idVendor=8087,
>      idProduct=0020
>      [   35.261353] usb 1-1: New USB device strings: Mfr=0, Product=0,
>      SerialNumber=0
>      [   35.261696] usb 1-1: configuration #1 chosen from 1 choice
>      [   35.262004] hub 1-1:1.0: USB hub found
>      [   35.262112] hub 1-1:1.0: 6 ports detected
>      [   20.571877] hub 2-0:1.0: USB hub found
>      [   20.616947] hub 2-0:1.0: 2 ports detected
>      [   20.665554] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
>      [   20.740168] uhci_hcd: USB Universal Host Controller Interface driver
>      [   20.817277] usbcore: registered new interface driver usblp
>      [   20.883086] Initializing USB Mass Storage driver...
>      [   20.941974] usbcore: registered new interface driver usb-storage
>      [   21.014026] USB Mass Storage support registered.
>      [   36.112936] usb 2-1: new high speed USB device using ehci_hcd and
>      address 2
>      [   21.153280] usbcore: registered new interface driver libusual
>      [   36.228304] usb 2-1: New USB device found, idVendor=8087,
>      idProduct=0020
>      [   36.228307] usb 2-1: New USB device strings: Mfr=0, Product=0,
>      SerialNumber=0
>      [   36.228660] usb 2-1: configuration #1 chosen from 1 choice
>      [   36.228969] hub 2-1:1.0: USB hub found
>      [   36.229070] hub 2-1:1.0: 8 ports detected
>      [   36.495535] usb 2-1.4: new low speed USB device using ehci_hcd and
>      address 3
>      [   36.592902] usb 2-1.4: New USB device found, idVendor=04d9,
>      idProduct=1603
>      [   36.592905] usb 2-1.4: New USB device strings: Mfr=1, Product=2,
>      SerialNumber=0
>      [   36.592908] usb 2-1.4: Product: USB Keyboard
>      [   36.592910] usb 2-1.4: Manufacturer:
>      [   36.593255] usb 2-1.4: configuration #1 chosen from 1 choice
>      [   36.657328] usb 2-1.5: new full speed USB device using ehci_hcd and
>      address 4
>      [   36.735047] usb 2-1.5: New USB device found, idVendor=0000,
>      idProduct=0000
>      [   36.735049] usb 2-1.5: New USB device strings: Mfr=1, Product=2,
>      SerialNumber=3
>      [   36.735052] usb 2-1.5: Product: iRMC USB Device
>      [   36.735054] usb 2-1.5: Manufacturer: Fujitsu
>      [   36.735056] usb 2-1.5: SerialNumber: 600ABC94D3074C
>      [   36.735417] usb 2-1.5: configuration #1 chosen from 1 choice
>      [   22.454959] PNP: No PS/2 controller found. Probing ports directly.
>      [   23.293431] hrtimer: interrupt took 9183132 ns
>      [   22.842002] serio: i8042 KBD port at 0x60,0x64 irq 1
>      [   22.902741] mice: PS/2 mouse device common for all mice
>      [   22.977135] rtc_cmos 00:06: RTC can wake from S4
>      [   23.032918] rtc_cmos 00:06: rtc core: registered rtc_cmos as rtc0
>      [   23.106105] rtc0: alarms up to one month, y3k, 114 bytes nvram
>      [   23.176478] xen_allocate_pirq: returning irq 20 for gsi 20
>      [   23.242289] xen_set_ioapic_routing: irq 20 gsi 20 vector 20 ioapic 0
>      pin 20 triggering 1 polarity 1
>      [   23.350973] i801_smbus 0000:00:1f.3: PCI INT D -> GSI 20 (level, low)
>      -> IRQ 20
>      [   23.440784] device-mapper: ioctl: 4.15.0-ioctl (2009-04-01)
>      initialised: [5]dm-devel@xxxxxxxxxx
>      [   23.542605] cpuidle: using governor ladder
>      [   23.591833] cpuidle: using governor menu
>      [   23.642069] usbcore: registered new interface driver hiddev
>      [   38.781806] input:   USB Keyboard as
>      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/input/input3
>      [   38.899189] generic-usb 0003:04D9:1603.0001: input,hidraw0: USB HID
>      v1.10 Keyboard [  USB Keyboard] on usb-0000:00:1d.0-1.4/input0
>      [   39.057332] input:   USB Keyboard as
>      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.1/input/input4
>      [   39.174832] generic-usb 0003:04D9:1603.0002: input,hidraw1: USB HID
>      v1.10 Device [  USB Keyboard] on usb-0000:00:1d.0-1.4/input1
>      [   39.315677] input: Fujitsu iRMC USB Device as
>      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.5/2-1.5:1.0/input/input5
>      [   39.442738] generic-usb 0003:0000:0000.0003: input,hidraw2: USB HID
>      v1.11 Keyboard [Fujitsu iRMC USB Device] on usb-0000:00:1d.0-1.5/input0
>      [   39.594713] input: Fujitsu iRMC USB Device as
>      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.5/2-1.5:1.1/input/input6
>      [   39.722047] generic-usb 0003:0000:0000.0004: input,hidraw3: USB HID
>      v1.11 Mouse [Fujitsu iRMC USB Device] on usb-0000:00:1d.0-1.5/input1
>      [   39.869436] usbcore: registered new interface driver usbhid
>      [   39.936280] usbhid: v2.6:USB HID core driver
>      [   39.988359] Advanced Linux Sound Architecture Driver Version 1.0.20.
>      [   40.066220] ALSA device list:
>      [   40.101937]   No soundcards found.
>      [   40.142841] Netfilter messages via NETLINK v0.30.
>      [   40.199352] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
>      [   40.273258] ctnetlink v0.93: registering with nfnetlink.
>      [   40.338192] ip_tables: (C) 2000-2006 Netfilter Core Team
>      [   40.402000] TCP cubic registered
>      [   40.440827] Initializing XFRM netlink socket
>      [   40.493211] NET: Registered protocol family 10
>      [   40.549310] ip6_tables: (C) 2000-2006 Netfilter Core Team
>      [   40.614164] IPv6 over IPv4 tunneling driver
>      [   40.666254] NET: Registered protocol family 17
>      [   40.720665] RPC: Registered udp transport module.
>      [   40.777108] RPC: Registered tcp transport module.
>      [   40.834214] SCTP: Hash tables configured (established 65536 bind
>      65536)
>      [   40.914548] Using IPI No-Shortcut mode
>      [   40.960325] registered taskstats version 1
>      [   41.009654]   Magic number: 6:500:752
>      [   41.053698] tty ttyS3: hash matches
>      [   41.095785] md: Waiting for all devices to be available before
>      autodetect
>      [   41.177190] md: If you don't use raid, use raid=noautodetect
>      [   41.245761] md: Autodetecting RAID arrays.
>      [   41.294919] md: Scanned 0 and added 0 devices.
>      [   41.348234] md: autorun ...
>      [   41.381789] md: ... autorun DONE.
>      [   41.421739] Root-NFS: No NFS server available, giving up.
>      [   41.486540] VFS: Unable to mount root fs via NFS, trying floppy.
>      [   41.559115] VFS: Cannot open root device "sda1" or unknown-block(2,0)
>      [   41.636362] Please append a correct "root=" boot option; here are the
>      available partitions:
>      [   41.736610] 0b00         1048575 sr0 driver: sr
>      [   41.791146] Kernel panic - not syncing: VFS: Unable to mount root fs
>      on unknown-block(2,0)
>      [   41.890337] Pid: 1, comm: swapper Not tainted 2.6.31.13 #2
>      [   41.956135] Call Trace:
>      [   41.985599]  [<c15e8386>] ? printk+0xf/0x11
>      [   42.035826]  [<c15e82ca>] panic+0x39/0xe6
>      [   42.083950]  [<c191ec2d>] mount_block_root+0x163/0x172
>      [   42.145673]  [<c1002930>] ? hypercall_page+0x930/0x1005
>      [   42.208414]  [<c191eca2>] mount_root+0x66/0x84
>      [   42.261803]  [<c191ee05>] prepare_namespace+0x145/0x16c
>      [   42.324489]  [<c191e34f>] kernel_init+0x16e/0x17d
>      [   42.380929]  [<c191e1e1>] ? kernel_init+0x0/0x17d
>      [   42.437369]  [<c1028d37>] kernel_thread_helper+0x7/0x10
>
>      For@ll
>
>      -----Inline Attachment Follows-----
>
>      _______________________________________________
>      Xen-users mailing list
>      [6]Xen-users@xxxxxxxxxxxxxxxxxxx
>      [7]http://lists.xensource.com/xen-users
>
> References
>
>    Visible links
>    1. file:///mc/compose?to=pasik@xxxxxx
>    2. file:///mc/compose?to=pasik@xxxxxx
>    3. http://wiki.xensource.com/xenwiki/XenParavirtOps
>    4. file:///mc/compose?to=tigran@xxxxxxxxxxxxxxxxxxxx
>    5. file:///mc/compose?to=dm-devel@xxxxxxxxxx
>    6. file:///mc/compose?to=Xen-users@xxxxxxxxxxxxxxxxxxx
>    7. http://lists.xensource.com/xen-users

> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

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