Re: [Xen-users] Debian DomU not properly mounting swap

["Chris Fanning" <christopher.fanning@xxxxxxxxx>]

Hi Daniel,

I had that problem.
Installing udev (and reinstalling xen) fixed it.

Cheers.
Chris.

On 5/4/06, Daniel Lang <dlang@xxxxxxxxxx> wrote:
> I am running Xen 3.0.1 with Gentoo for Dom0 and when I create a DomU
> with Debian, the kernel or system does not seem to recognize the volume
> I have created for swap on the DomU and will not mount it during boot or
> after.
>
> here is the disk section of the xen config for the DomU:
>
> disk = [ 'phy:xen-disks/disk-root,hda1,w','phy:xen-disks/disk-swap,hda2,w' ]
>
>
> When the DomU is created, the volume is recognized and assigned to
> /dev/hda2.  From the xend.log:
>
>   ['root', '/dev/hda1 ro'], ['args', '3']]], ['device', ['vbd',
> ['uname', 'phy:xen-disks/disk-root'], ['dev', 'hda1'], ['mode', 'w']]],
> ['device', ['vbd', ['uname', 'phy:xen-disks/disk-swap'], ['dev',
> 'hda2'], ['mode', 'w']]], ['device', ['vif']]])
>
> However, during the boot up sequence, the following error messages occur
> on the console:
>
> VFS: Mounted root (ext3 filesystem) readonly.
> Freeing unused kernel memory: 136k freed
> INIT: version 2.86 booting
> Will now activate swap.
> swapon on /dev/hda2
> swapon: cannot stat /dev/hda2: No such file or directory
> * Swap activation failed with error code 255.
> ...
> Will now mount local filesystems.
> * Mounting proc filesystems failed with error code 32.
> mount: none already mounted or /dev/pts busy
> mount: according to mtab, devpts is already mounted on /dev/pts
> none on /dev/shm type tmpfs (rw)
> mount: none already mounted or /sys busy
> mount: according to mtab, sysfs is already mounted on /sys
> * Mounting local filesystems failed with error code 96.
> Will now activate swapfile swap.
> Done activating swapfile swap.
>
>
> I do not have this problem when creating DomUs with Gentoo or Fedora
> Core.  Could the problem reside with the Debian hotplug subsystem?  I
> have reviewed the Xen 3.0/Debian howto at
> http://www.howtoforge.com/perfect_setup_xen3_debian but I cannot find
> anything in the howto mentioning this problem.
>
> Any ideas on what might be causing the problem, or suggestions on where
> to look for the cause of the problem.  Nothing is standing out in
> xend.log, and no output into the xend-debug.log
>
> Thank you for any help or suggestions you might offer.
>
> Dan Lang
> --
> Daniel Lang
>
> Systems Administrator
> SevenL Networks
> 416.642.1234 - Office
> 1.866.639.5123 - Toll Free
>
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