Re: [Xen-devel] Bug of xl?

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 9 Jun 2010, Yang Hongyang wrote:
> While I'm using 'xl create' to install centos 5,
> I got following error. But with the same config,
> 'xm create' succesfully installed the vm.
> So I wonder if this is a bug of xl?
> 
> Below is the config and xl output, If it doesn't
> help, ask me for more imformations if you want.
> 
> config:
> ==========================================
> kernel = "/mnt/images/xen/vmlinuz"
> ramdisk = "/mnt/images/xen/initrd.img"
> extra = "text"
> name = "centos"
> memory = "256"
> disk = [ 'file:/home/yanghy/vm/centos.img,xvda,w' ]
> vif = [ 'bridge=eth0' ]
> vcpus=1
> on_reboot = 'destroy'
> on_crash = 'destroy'
> =======================================
> 

I think it is worth trying with a loop device instead of a file:

- create a loop device on your host
losetup /dev/loop0 /home/yanghy/vm/centos.img

- use 'disk = [ 'phy:/dev/loop0,xvda,w' ]' in your config

If it works it is probably a bug in libxl's blktap support.


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