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Thread: VM hangs while booting

  1. #1
    Join Date
    Nov 2007
    Beans
    9

    VM hangs while booting

    My Hardware: Asus P5E mit Core Duo 2 und 2 GB Ram

    I installed gutsy from the alternate-CD, then I installed xen using apt-get install ubuntu-xen-server.

    My xend-config.sxp looks like this:

    Code:
    # -*- sh -*-
    (xend-relocation-server yes)
    (xend-relocation-hosts-allow '^localhost$ ^localhost\\.localdomain$')
    (network-script network-bridge)
    (vif-script vif-bridge)
    (dom0-min-mem 196)
    (dom0-cpus 0)
    (vncpasswd '')
    Next I used xen-tools to create a VM. The resulting .cfg file:

    Code:
    kernel      = '/boot/vmlinuz-2.6.22-14-xen'
    ramdisk     = '/boot/initrd.img-2.6.22-14-xen'
    memory      = '128'
    root        = '/dev/hda1 ro'
    disk        = [ 'file:/var/xen-images/xLx-1.cfg-disk,hda1,w', 'file:/var/xen-images/xLx-1.cfg-swap,hda2,w' ]
    #disk        = [ 'phy:lx5/xLx-1.cfg-disk,hda1,w', 'phy:lx5/xLx-1.cfg-swap,hda2,w' ]
    name        = 'xLx-1.cfg'
    vif         = [ 'ip=172.30.5.25' ]
    vif         = [ 'bridge=xenbr0' ]
    on_poweroff = 'destroy'
    on_reboot   = 'restart'
    on_crash    = 'restart'
    The VM starts - no matter, if it uses file- or lvm-disks, but boot always hangs after short time. The last messages are:

    Code:
    [ 3274.824736] fuse init (API version 7.8)
    [ 3274.829181] Failure registering capabilities with primary security module.
    [ 3274.860491] thermal: Unknown symbol acpi_processor_set_thermal_limit
    [ 3274.869629] device-mapper: ioctl: 4.11.0-ioctl (2006-10-12) initialised: dm-devel@redhat.com
    [ 3275.297529] kjournald starting.  Commit interval 5 seconds
    [ 3275.297544] EXT3-fs: mounted filesystem with ordered data mode.
    Any idea how to fix it?

  2. #2
    Join Date
    Nov 2007
    Beans
    17

    Re: VM hangs while booting

    Same problem... anybody?

  3. #3
    Join Date
    Nov 2007
    Beans
    1

    Re: VM hangs while booting

    Hi,

    i had the same problem with the same distribution too and spend hours on it. After digging in /etc/xen-tools/xen-tools.conf, looking around in the guestfilesystem, trying to mount it as ext2 and so on i just tested the kernelversion 2.6.19-4 and it worked out of the box. I even tried different guestsystems before without luck. So it seems to depend on the kernel version running on dom0. Maybe a bug?

    So please boot the grubentry looking like this one (/boot/grub/menu.lst) .

    title Xen 3.1 / Ubuntu 7.10, kernel 2.6.19-4-generic-amd64
    root (hd0,0)
    kernel /boot/xen-3.1.gz
    module /boot/vmlinuz-2.6.19-4-generic-amd64 root=UUID=847966de-6757-421c-b655-4e26914279a7 ro console=tty0
    module /boot/initrd.img-2.6.19-4-generic-amd64
    #quiet

    After that give xen-tools another chance.

    regards,

    Jörn

  4. #4
    Join Date
    Nov 2007
    Beans
    17

    Re: VM hangs while booting

    Hi,

    Thanks for the help...

    I don't enough about Linux to create the correct syntax for a Grub file.


    Here is what I have now: (in dom0/baremetal)

    [...SNIP...]
    title Xen 3.1 / Ubuntu 7.10, kernel 2.6.22-14-xen
    root (hd0,0)
    kernel /boot/xen-3.1.gz
    module /boot/vmlinuz-2.6.22-14-xen root=UUID=01fbe140-a127-46a9-8915-588b18ab5e46 ro console=tty0
    module /boot/initrd.img-2.6.22-14-xen
    quiet

    [...SNIP...]

    I don't see any other files in /boot that use different version numbers. (cpu is a P3 1.0GHz)

    Not sure what to try next.

  5. #5
    Join Date
    Nov 2007
    Beans
    9

    Re: VM hangs while booting

    Hi Jörn,

    my processor is an Intel Core Duo 2. Is it OK to use itle the "Xen 3.1 / Ubuntu 7.10, kernel 2.6.19-4-generic-amd64" kernel for it?

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