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[Xen-users] Xen 3.0.1, Debian Sarge: Swap file not recognized in guest

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: "Jens-Christian Fischer" <jcfischer.lists@xxxxxxxxx>
  • Date: Sun, 19 Mar 2006 09:55:37 +0100
  • Delivery-date: Sun, 19 Mar 2006 08:56:58 +0000
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I have installed Xen 3.0.1 on a Debian Sarge base system (see [1],
[2], [3] for details) with image files as drives for the guest
operating system.

My problem is, that the swap "device" on /dev/sda2 is not recognized
by the guest OS:

    INIT: version 2.86 booting
    * Files under mount point '/dev/shm' will be hidden.
    Will now activate swap.
    swapon on /dev/sda2
    swapon: cannot stat /dev/sda2: No such file or directory
    * Swap activation failed with error code 255.
    Will now check root file system.

the configuration file looks like this:

    kernel = "/boot/vmlinuz-2.6.12-xenU"
    memory = 512
    name   = "notes"
    root   = "/dev/sda1 ro"
    vif    = [ '' ]
    disk   = [ 'file:/home/xen/domains/notes/big.img,sda1,w',
'file:/home/xen/domains/notes/swap,sda2,w' ]

and /etc/fstab

    /dev/sda1       /       ext3    defaults,errors=remount-ro      0       1
    /dev/sda2       none    swap    sw
    proc            /proc   proc    defaults

I tried both "sda" and "hda" devices - with no change in behaviour.

/dev/sda2 is not visible in the guest operating system.

An older image with the debian base system (base-config not yet
executed) that the above image was evolved from works fine:

    INIT: version 2.86 booting
    Activating swap.
    EXT3 FS on sda1, internal journal

Any ideas? My Xen-fu is quite young :-)


[1]: http://blog.invisible.ch/2006/03/09/installing-xen-30-on-debian-sarge/

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