I am trying to create a DomU Debian guest VM. I tried a Debian-Etch DomU from jailtime.org. Lots of my own issues, discovering other people having the same exact problems, but no solutions. So I installed debootstrap and xen-tools and tried that. Again like many other people I ran into the "VFS: Cannot open root device "hda1" or unknown-block(0,0)" issue. I have not figured out why the cfg file is not being generated in /etc/xen, but I have gotten it to generate images using the file image and LVM (creating the Logical Volumes). I just hand coded the cfg file. After they were generated, I mounted both images and noticed that neither had hda1 or hda2 device files in /dev. That would seem to be a problem. Please help! A link to tutorial or answer would be fabulous. The only thing I have not tried yet is using pygrub and bundling the kernel and .img files with the guest and not using the fc8xen kernel and images in the Dom0's boot folder. Thank you for any help.
Fred
Hi Frederick,
it depends a bit on wether you run a PVM or a HVM, but in latter case I got very good results with booting from the mini.iso: http://<repo>/debian/dists/etch/main/installer-i386/current/images/netboot/mini.iso
my domain.cfg:
kernel = "/usr/lib/xen/boot/hvmloader" builder='hvm' device_model = '/usr/lib/xen/bin/qemu-dm' memory = 512 name = "vm1" vcpus=1 pae=0 acpi=0 apic=0 cpus = "" vif = [ 'type=ioemu, mac=aa:00:bb:cc:00:d4, bridge=192.168.1.2' ] disk = [ 'file:/var/lib/xen/vm1-hda.img,ioemu:hda,w', 'file:/var/lib/xen/debian-4.0r1-installer-gtk-netboot-mini.iso,hdc:cdrom,r' ] on_poweroff = 'destroy' on_reboot = 'destroy' on_crash = 'destroy' boot='d' sdl=0 vnc=1 vncviewer=0 stdvga=0 serial='pty' ne2000=0 usb=1 usbdevice='tablet'
Sincerely,
Jan.
On Jan 13, 2008 9:57 AM, Frederick N. Brier fbrier@multideck.com wrote:
I am trying to create a DomU Debian guest VM. I tried a Debian-Etch DomU from jailtime.org. Lots of my own issues, discovering other people having the same exact problems, but no solutions. So I installed debootstrap and xen-tools and tried that. Again like many other people I ran into the "VFS: Cannot open root device "hda1" or unknown-block(0,0)" issue. I have not figured out why the cfg file is not being generated in /etc/xen, but I have gotten it to generate images using the file image and LVM (creating the Logical Volumes). I just hand coded the cfg file. After they were generated, I mounted both images and noticed that neither had hda1 or hda2 device files in /dev. That would seem to be a problem. Please help! A link to tutorial or answer would be fabulous. The only thing I have not tried yet is using pygrub and bundling the kernel and .img files with the guest and not using the fc8xen kernel and images in the Dom0's boot folder. Thank you for any help.
Fred
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Frederick N. Brier -
Jan de Haan