Re: [Xen-users] Trying to run centos4.3 on xen under debian unstable

["John R. Shannon" <john@xxxxxxxxxxxxxxxx>]

Quick guess - you need an initrd. CentOS uses a device filesystem.

Try adding something like:

ramdisk = "/boot/initrd-2.6.11.12-xenU.img"

to your configuration file.

On Monday 31 July 2006 09:05, Marco Milanesi wrote:
> hi,
>
>       I followed http://mark.foster.cc/wiki/index.php/Centos-4_on_Xen and
> populated the image with centos' packages downloaded from the net.
>
> my config file in /etc/xen is centos, so /etc/xen/centos contains:
>
> kernel = "/boot/vmlinuz-2.6.11-xenU"
> memory = 96
> name = "centos"
> dhcp = "dhcp"
> disk = [
> 'file:/home/kpanic/xen-images/centos.img,sdb1,w','file:/home/kpanic/xen-ima
>ges/centos-swap.img,sdb1,w' ] # or if you use LVM
> # disk = [ 'phy:/dev/vg01/vol01,sdb1,w','phy:/dev/vg01/vol02,sdb2,w' ]
> root = "/dev/sdb1 ro"
>
> but when I try to:
>
> # xm create -c centos
>
> I obtain:
>
> Using config file "/etc/xen/centos".
> Error: (22, 'Invalid argument')
>
> here is the paste of /var/log/xend.log:
>
> [2006-07-31 16:55:44 xend.XendDomainInfo] DEBUG (XendDomainInfo:178)
> XendDomainInfo.create(['vm', ['name', 'centos'], ['memory', 96], ['vcpus',
> 1], ['image', ['linux', ['kernel', '/boot/vmlinuz-2.6.11-xenU'], ['ip',
> ':1.2.3.4::::eth0:dhcp'], ['root', '/dev/sdb1 ro']]], ['device', ['vbd',
> ['uname', 'file:/home/kpanic/xen-images/centos.img'], ['dev', 'sdb1'],
> ['mode', 'w']]], ['device', ['vbd', ['uname',
> 'file:/home/kpanic/xen-images/centos-swap.img'], ['dev', 'sdb1'], ['mode',
> 'w']]]]) [2006-07-31 16:55:44 xend.XendDomainInfo] DEBUG
> (XendDomainInfo:284) parseConfig: config is ['vm', ['name', 'centos'],
> ['memory', 96], ['vcpus', 1], ['image', ['linux', ['kernel',
> '/boot/vmlinuz-2.6.11-xenU'], ['ip', ':1.2.3.4::::eth0:dhcp'], ['root',
> '/dev/sdb1 ro']]], ['device', ['vbd', ['uname',
> 'file:/home/kpanic/xen-images/centos.img'], ['dev', 'sdb1'], ['mode',
> 'w']]], ['device', ['vbd', ['uname',
> 'file:/home/kpanic/xen-images/centos-swap.img'], ['dev', 'sdb1'], ['mode',
> 'w']]]] [2006-07-31 16:55:44 xend.XendDomainInfo] DEBUG
> (XendDomainInfo:380) parseConfig: result is {'ssidref': None, 'uuid': None,
> 'on_crash': None, 'on_reboot': None, 'image': ['linux', ['kernel',
> '/boot/vmlinuz-2.6.11-xenU'], ['ip', ':1.2.3.4::::eth0:dhcp'], ['root',
> '/dev/sdb1 ro']], 'on_poweroff': None, 'cpus': None, 'name': 'centos',
> 'backend': [], 'vcpus': 1, 'cpu_weight': None, 'vcpu_avail': None,
> 'memory': 96, 'device': [('vbd', ['vbd', ['uname',
> 'file:/home/kpanic/xen-images/centos.img'], ['dev', 'sdb1'], ['mode',
> 'w']]), ('vbd', ['vbd', ['uname',
> 'file:/home/kpanic/xen-images/centos-swap.img'], ['dev', 'sdb1'], ['mode',
> 'w']])], 'bootloader': None, 'cpu': None, 'maxmem': None}
> [2006-07-31 16:55:44 xend.XendDomainInfo] DEBUG (XendDomainInfo:1164)
> XendDomainInfo.construct: None 0 [2006-07-31 16:55:44 xend.XendDomainInfo]
> DEBUG (XendDomainInfo:1196) XendDomainInfo.initDomain: 23 1.0 [2006-07-31
> 16:55:44 xend] DEBUG (balloon:128) Balloon: free 97; need 97; done.
> [2006-07-31 16:55:44 xend] INFO (image:135) buildDomain os=linux dom=23
> vcpus=1 [2006-07-31 16:55:44 xend] DEBUG (image:173) dom            = 23
> [2006-07-31 16:55:44 xend] DEBUG (image:174) image          =
> /boot/vmlinuz-2.6.11-xenU [2006-07-31 16:55:44 xend] DEBUG (image:175)
> store_evtchn   = 1
> [2006-07-31 16:55:44 xend] DEBUG (image:176) console_evtchn = 2
> [2006-07-31 16:55:44 xend] DEBUG (image:177) cmdline        = 
> ip=:1.2.3.4::::eth0:dhcp root=/dev/sdb1 ro [2006-07-31 16:55:44 xend] DEBUG
> (image:178) ramdisk        =
> [2006-07-31 16:55:44 xend] DEBUG (image:179) vcpus          = 1
> [2006-07-31 16:55:44 xend] DEBUG (image:180) features       =
> [2006-07-31 16:55:44 xend.XendDomainInfo] ERROR (XendDomainInfo:190) Domain
> construction failed Traceback (most recent call last):
>   File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py", line
> 183, in create
>     vm.initDomain()
>   File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py", line
> 1225, in initDomain channel_details = self.image.createImage()
>   File "/usr/lib/python2.3/site-packages/xen/xend/image.py", line 118, in
> createImage return self.createDomain()
>   File "/usr/lib/python2.3/site-packages/xen/xend/image.py", line 137, in
> createDomain result = self.buildDomain()
>   File "/usr/lib/python2.3/site-packages/xen/xend/image.py", line 188, in
> buildDomain features       = self.features)
> error: (22, 'Invalid argument')
> [2006-07-31 16:55:44 xend.XendDomainInfo] DEBUG (XendDomainInfo:1327)
> XendDomainInfo.destroy: domid=23 [2006-07-31 16:55:44 xend.XendDomainInfo]
> DEBUG (XendDomainInfo:1335) XendDomainInfo.destroyDomain(23) [2006-07-31
> 16:55:44 xend] ERROR (xmlrpclib2:124) (22, 'Invalid argument') Traceback
> (most recent call last):
>   File "/usr/lib/python2.3/site-packages/xen/util/xmlrpclib2.py", line 103,
> in _marshaled_dispatch response = self._dispatch(method, params)
>   File "/usr/lib/python2.3/SimpleXMLRPCServer.py", line 407, in _dispatch
>     return func(*params)
>   File "/usr/lib/python2.3/site-packages/xen/xend/server/XMLRPCServer.py",
> line 63, in domain_create
>     info = XendDomain.instance().domain_create(config)
>   File "/usr/lib/python2.3/site-packages/xen/xend/XendDomain.py", line 227,
> in domain_create dominfo = XendDomainInfo.create(config)
>   File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py", line
> 183, in create
>     vm.initDomain()
>   File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py", line
> 1225, in initDomain channel_details = self.image.createImage()
>   File "/usr/lib/python2.3/site-packages/xen/xend/image.py", line 118, in
> createImage return self.createDomain()
>   File "/usr/lib/python2.3/site-packages/xen/xend/image.py", line 137, in
> createDomain result = self.buildDomain()
>   File "/usr/lib/python2.3/site-packages/xen/xend/image.py", line 188, in
> buildDomain features       = self.features)
> error: (22, 'Invalid argument')
>
> and /var/log/xend-debug.log:
>
> ERROR: Will only load images built for Xen v3.0
> ERROR: Actually saw:
> 'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=2.0,VIRT_BASE=0xC0000000,LOADER=gener
>ic,PT_MODE_WRITABLE' ERROR: Error constructing guest OS
>
> what I'm doing wrong?
>
> (sorry for long paste)
>
> thanks in advance
>
> ciao,
> Marco

-- 
John R. Shannon, CISSP
john@xxxxxxxxxxxxxxxx
jshannon@xxxxxxxxxxxx
john.r.shannon@xxxxxxxxxxx
shannonjr@xxxxxxxxxx

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