[Xen-users] FreeBSD DomU under Debian Etch Dom0 (Xen 3.0.3-1)

[Julien Reveillet <j.reveillet@xxxxxxxxxxxxxxxxxxxxxx>]

Hello everybody,

I'm having troubles creating a FreeBSD DomU.

Here are the logs from Xen :

[2007-12-17 10:29:26 xend.XendDomainInfo 25559] DEBUG (__init__:1072) 
XendDomainInfo.create(['vm', ['name', 'FreeBSD'], ['memory', 256], 
['on_crash', 'preserve'], ['vcpus', 1], ['image', ['linux', ['kernel', 
'/boot/xen3_domU'], ['args', 
'boot_verbose,boot_single,vfs.root.mountfrom=ufs:/dev/md0a,kern.hz=100']]], 
['device', ['vbd', ['uname', 'file:/disk/freebsd_racine.img'], ['dev', 
'wd0a'], ['mode', 'w']]], ['device', ['vif']]])
[2007-12-17 10:29:26 xend.XendDomainInfo 25559] DEBUG (__init__:1072) 
parseConfig: config is ['vm', ['name', 'FreeBSD'], ['memory', 256], 
['on_crash', 'preserve'], ['vcpus', 1], ['image', ['linux', ['kernel', 
'/boot/xen3_domU'], ['args', 
'boot_verbose,boot_single,vfs.root.mountfrom=ufs:/dev/md0a,kern.hz=100']]], 
['device', ['vbd', ['uname', 'file:/disk/freebsd_racine.img'], ['dev', 
'wd0a'], ['mode', 'w']]], ['device', ['vif']]]
[2007-12-17 10:29:26 xend.XendDomainInfo 25559] DEBUG (__init__:1072) 
parseConfig: result is {'shadow_memory': None, 'uuid': None, 'on_crash': 
'preserve', 'on_reboot': None, 'localtime': None, 'image': ['linux', 
['kernel', '/boot/xen3_domU'], ['args', 
'boot_verbose,boot_single,vfs.root.mountfrom=ufs:/dev/md0a,kern.hz=100']], 
'on_poweroff': None, 'bootloader_args': None, 'cpus': None, 'name': 
'FreeBSD', 'backend': [], 'vcpus': 1, 'cpu_weight': None, 'features': 
None, 'vcpu_avail': None, 'memory': 256, 'device': [('vbd', ['vbd', 
['uname', 'file:/disk/freebsd_racine.img'], ['dev', 'wd0a'], ['mode', 
'w']]), ('vif', ['vif'])], 'bootloader': None, 'cpu': None, 'maxmem': None}
[2007-12-17 10:29:26 xend.XendDomainInfo 25559] DEBUG (__init__:1072) 
XendDomainInfo.construct: None
[2007-12-17 10:29:26 xend.XendDomainInfo 25559] DEBUG (__init__:1072) 
XendDomainInfo.initDomain: 35 1.0
[2007-12-17 10:29:26 xend 25559] DEBUG (__init__:1072) Balloon: 1008 KiB 
free; 0 to scrub; need 262144; retries: 20.
[2007-12-17 10:29:26 xend 25559] DEBUG (__init__:1072) Balloon: setting 
dom0 target to 1497 MiB.
[2007-12-17 10:29:26 xend.XendDomainInfo 25559] DEBUG (__init__:1072) 
Setting memory target of domain Domain-0 (0) to 1497 MiB.
[2007-12-17 10:29:27 xend 25559] DEBUG (__init__:1072) Balloon: 263152 
KiB free; need 262144; done.
[2007-12-17 10:29:27 xend 25559] INFO (__init__:1072) buildDomain 
os=linux dom=35 vcpus=1
[2007-12-17 10:29:27 xend 25559] DEBUG (__init__:1072) dom            = 35
[2007-12-17 10:29:27 xend 25559] DEBUG (__init__:1072) image          = 
/boot/xen3_domU
[2007-12-17 10:29:27 xend 25559] DEBUG (__init__:1072) store_evtchn   = 1
[2007-12-17 10:29:27 xend 25559] DEBUG (__init__:1072) console_evtchn = 2
[2007-12-17 10:29:27 xend 25559] DEBUG (__init__:1072) cmdline        =  
boot_verbose,boot_single,vfs.root.mountfrom=ufs:/dev/md0a,kern.hz=100
[2007-12-17 10:29:27 xend 25559] DEBUG (__init__:1072) ramdisk        =
[2007-12-17 10:29:27 xend 25559] DEBUG (__init__:1072) vcpus          = 1
[2007-12-17 10:29:27 xend 25559] DEBUG (__init__:1072) features       =
[2007-12-17 10:29:27 xend.XendDomainInfo 25559] ERROR (__init__:1072) 
Domain construction failed
Traceback (most recent call last):
File "/usr/lib/xen-3.0.3-1/lib/python/xen/xend/XendDomainInfo.py", line 
195, in create
  vm.initDomain()
File "/usr/lib/xen-3.0.3-1/lib/python/xen/xend/XendDomainInfo.py", line 
1363, in initDomain
  raise VmError(str(exn))
VmError: (22, 'Invalid argument')



Here is my config file :



kernel = "/boot/xen3_domU"

# Optional ramdisk.
#ramdisk = "/boot/initrd.gz"

# The domain build function. Default is 'linux'.
#builder='linux'

# Initial memory allocation (in megabytes) for the new domain.
memory = 256

# A name for your domain. All domains must have different names.
name = "FreeBSD"

vif = [ '' ]

#disk = [ 'phy:hda1,hda1,w' ]
disk = [ 'file:/disk/freebsd_racine.img,wd0a,w' ]

# Set root device.
root = "/dev/sdb1 ro"

#1 Sets runlevel 4.
extra = "4"

on_crash    = 'preserve'
extra = "boot_verbose"
extra += ",boot_single"
extra += ",vfs.root.mountfrom=ufs:/dev/md0a"
#extra += ",vfs.root.mountfrom=ufs:/dev/xbd769a"
extra += ",kern.hz=100"


Is there an other builder option for Bsd systems?


I saw many post about people having the same problem but some told them 
to use différent kernel for install or using different way like non pae 
kernel.
As my Xen kernel do a "kernel panic" with non pae (Quad Core with 4Gb) i 
can't try FreeBSD on my system.
What do you suggest to me?

- Upgrade to Xen 3.1?
- Compile FreeBSD kernel with Pae enabled? (i'm searching for it but 
haven't found one yet, is it a working option for FreeBSD?)
- Any other way?...

Thanks in advance.

Julien.

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