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Re: [Xen-users] RuntimeError: domUloader
- To: xen-users@xxxxxxxxxxxxxxxxxxx
- From: Ralf Jansen <jansen_expedition@xxxxxxxx>
- Date: Wed, 4 Jul 2007 18:14:25 +0200 (CEST)
- Delivery-date: Wed, 04 Jul 2007 09:12:24 -0700
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Hi Marc,
thank you. I create loop devices with:
for ((i=8;i<=255;i+=1)); do mknod -m 660 /dev/loop$i b 7 $i; done
and use the following /boot/grub/menu.lst:
title XEN
root (hd0,0)
kernel /boot/xen.gz
module /boot/vmlinuz-xen root=/dev/sda1 max_loop=255 dom0_mem=512M mem=16G vga=0x31a resume=/dev/sda3 splash=silent showopts
module /boot/initrd-xen
After rebooting i still have the same error-message:
Using config file "/etc/xen/vm/c14".
/dev/loop8: Kein passendes Gerät bzw. keine passende Adresse gefunden
Traceback (most recent call last):
File "/usr/lib/xen/boot/domUloader.py", line 495, in ?
main(sys.argv)
File "/usr/lib/xen/boot/domUloader.py", line 481, in main
setupDisks(disks)
File "/usr/lib/xen/boot/domUloader.py", line 280, in
setupDisks
setupOneDisk(disk)
File "/usr/lib/xen/boot/domUloader.py", line 272, in setupOneDisk
wdisk = Wholedisk(cfg[1], physdev, loopfile)
File "/usr/lib/xen/boot/domUloader.py", line 100, in __init__
self.pcount = self.scanpartitions()
File "/usr/lib/xen/boot/domUloader.py", line 127, in scanpartitions
self.loopsetup()
File "/usr/lib/xen/boot/domUloader.py", line 112, in loopsetup
raise RuntimeError("domUloader: Failure setting up loop dev")
RuntimeError: domUloader: Failure setting up loop dev
Error: Boot loader didn't return any data!
xen-Dom0-Backup:/dev #
Regards,
Ralf
Marc Patino Gómez <mpatino@xxxxxxxxxxxx> schrieb: Hi
Ralf,
you need more loop devices. So append this to dom0 kernel: max_loop=255,
if you are using grub, edit the menu.lst and put something like:
kernel module /boot/vmlinuz-2.6-xen0 root=/dev/sda1 ro max_loop=255
if you are using udev all will work all right, if not you probably must
create the devices: /dev/loopXX
Regards,
Marc
Ralf Jansen wrote:
> Hello,
> i want to run 14 virtual Machines with xen. But i get the following
> error-message:
>
>
> xen-Dom0-Backup:/etc/xen/vm # xm list
> Name ID Mem(MiB) VCPUs State Time(s)
> Domain-0 0 14133 4 r----- 59.7
> c10 8 254 1 -b---- 13.7
> c2 1 254 1 -b---- 14.1
> c3 2 254 1 -b---- 14.0
> c5
3 254 1 ------ 14.0
> c6 4 254 1 -b---- 14.0
> c7 5 254 1 -b---- 13.9
> c8 6 254 1 -b---- 13.9
> c9 7 254 1 -b---- 13.9
> xen-Dom0-Backup:/etc/xen/vm # xm create c14
> Using config file "c14".
> /dev/loop8: Datei oder Verzeichnis nicht gefunden
> Traceback (most recent call last):
> File "/usr/lib/xen/boot/domUloader.py", line 495, in ?
> main(sys.argv)
> File "/usr/lib/xen/boot/domUloader.py", line 481, in main
> setupDisks(disks)
> File "/usr/lib/xen/boot/domUloader.py", line 280, in setupDisks
> setupOneDisk(disk)
> File "/usr/lib/xen/boot/domUloader.py", line 272, in setupOneDisk
> wdisk = Wholedisk(cfg[1], physdev, loopfile)
> File
"/usr/lib/xen/boot/domUloader.py", line 100, in __init__
> self.pcount = self.scanpartitions()
> File "/usr/lib/xen/boot/domUloader.py", line 127, in scanpartitions
> self.loopsetup()
> File "/usr/lib/xen/boot/domUloader.py", line 112, in loopsetup
> raise RuntimeError("domUloader: Failure setting up loop dev")
> RuntimeError: domUloader: Failure setting up loop dev
> Error: Boot loader didn't return any data!
>
> Does someone know why i can not start more than 8 vms?
> Here is my config-file:
>
> disk = [ 'phy:/dev/sdc14,hda2,w',
> 'file:/mnt/swapspace/c14_swap.img,hda1,w' ]
> memory = 254
> vcpus = 1
> name = 'c14'
> vif = [ 'mac=00:16:3e:1b:90:14' ]
> localtime = 1
>
>
>
> extra = ' TERM=xterm'
> bootloader = '/usr/lib/xen/boot/domUloader.py'
>
bootentry = 'hda2:/boot/vmlinuz-xen,/boot/initrd-xen'
>
>
> Thank you,
> r. jansen
>
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