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RE: [Xen-users] Xen 4.0.1 rc3 pre install problem



Guys,
                Still have the same problem,

cat /var/log/xen/xend.log | tail -n 20
    info = XendDomain.instance().domain_create(config)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendDomain.py", line 
982, in domain_create
    dominfo = XendDomainInfo.create(config)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendDomainInfo.py", 
line 95, in create
    domconfig = XendConfig.XendConfig(sxp_obj = config)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendConfig.py", line 
342, in __init__
    self._sxp_to_xapi(sxp_obj)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendConfig.py", line 
857, in _sxp_to_xapi
    cfg = self._parse_sxp(sxp_cfg)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendConfig.py", line 
720, in _parse_sxp
    self.device_add(dev_type, cfg_sxp = config, target = cfg)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendConfig.py", line 
1448, in device_add
    ret_uuid = self.device_duplicate_check(dev_type, dev_info, target, config)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendConfig.py", line 
1237, in device_duplicate_check
    blkdev_file = blkdev_uname_to_file(dev_uname)
  File "/usr/local/lib/python2.6/dist-packages/xen/util/blkif.py", line 95, in 
blkdev_uname_to_file
    return _parse_uname(uname)[0]
  File "/usr/local/lib/python2.6/dist-packages/xen/util/blkif.py", line 90, in 
_parse_uname
    (taptype, fn) = fn.split(":", 2)[1:3]
ValueError: need more than 1 value to unpack

cat /var/log/xen/xend-debug.log.log | tail -n 20
cat: /var/log/xen/xend-debug.log.log: No such file or directory
root@opt-it-desktop:/# cat /var/log/xen/xend-debug.log | tail -n 20
cat: /sys/bus/scsi/devices/host5/type: No such file or directory
cat: /sys/bus/scsi/devices/host5/rev: No such file or directory
cat: /sys/bus/scsi/devices/host5/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/target0:0:0/vendor: No such file or directory
cat: /sys/bus/scsi/devices/target0:0:0/model: No such file or directory
cat: /sys/bus/scsi/devices/target0:0:0/type: No such file or directory
cat: /sys/bus/scsi/devices/target0:0:0/rev: No such file or directory
cat: /sys/bus/scsi/devices/target0:0:0/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/target1:0:0/vendor: No such file or directory
cat: /sys/bus/scsi/devices/target1:0:0/model: No such file or directory
cat: /sys/bus/scsi/devices/target1:0:0/type: No such file or directory
cat: /sys/bus/scsi/devices/target1:0:0/rev: No such file or directory
cat: /sys/bus/scsi/devices/target1:0:0/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/target3:0:0/vendor: No such file or directory
cat: /sys/bus/scsi/devices/target3:0:0/model: No such file or directory
cat: /sys/bus/scsi/devices/target3:0:0/type: No such file or directory
cat: /sys/bus/scsi/devices/target3:0:0/rev: No such file or directory
cat: /sys/bus/scsi/devices/target3:0:0/scsi_level: No such file or directory
/usr/local/lib/python2.6/dist-packages/xen/xend/XendAPI.py:548: 
DeprecationWarning: object.__new__() takes no parameters

Seems like I'm stuck

-Thanks
Deb

________________________________________
From: Bruce Edge [bruce.edge@xxxxxxxxx]
Sent: Monday, June 21, 2010 9:53 PM
To: Debasish Bose
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Xen 4.0.1 rc3 pre install problem

This may or may not address your problem but it worked for Ubuntu systems with 
a similar requirement, build once and distribute.

Apply the attached patch (not mine) to xen 4.0.1.rc3.pre and then build using:

export KERNELS="" ; export PYTHON_PREFIX_ARG="" ; make dist

This generates a dist dir that puts everything in the right place for Ubuntu 
systems. I know the sysconfig/default changes apply to debian as well, the ones 
I'm not sure about are the python lib location move.

This patch works for 4.0.0 and 4.0.1.rc3.pre, but not 4.1.

-Bruce


On Mon, Jun 21, 2010 at 9:05 AM, Debasish Bose 
<dbose@xxxxxxxxx<mailto:dbose@xxxxxxxxx>> wrote:
Guys,
          I've successfully ran dom0/domU (both Debian) in my local laptop 
using 2.6.32.15 dom0 with xen-4.0.1-rc3-pre. Great. Now I want to install it 
into couple of test-machines without compiling from source. So I did following..

          a. make dist-xen
          b. make dist-tools PYTHON_PREFIX_ARG="--install-layout=deb"
          c. make dist-stubdom

This should pre-pare my dist/ directory with binaries. With the help of 
top-level /.install.sh I should be able to install it any other machine (same 
ARCH=x86_64/amd64). I've tar-zipped, copied and inflated. The target machine is 
a CentOS 64-bit machine whereas the build machine (my laptop) is a 
Debian/Ubuntu 10.04 64 bit one. After installation, my xend started, 
bridge-magic happened, `brctl -show` is fine, xm info / xm list is fine, ls 
/dev/xen is fine (evtchn,gntdev) too. But when I'm trying
to run a domU (using a working domU-xmexample-config) it has some problem with 
tap driver config and complains

     "ValueError: need more than 1 value to unpack"

/var/log/xen/xend.log

File "/usr/lib/python2.6/dist-packages/xen/xend/XendConfig.py", line 342, in 
__init__
   self._sxp_to_xapi(sxp_obj)
 File "/usr/lib/python2.6/dist-packages/xen/xend/XendConfig.py", line 857, in 
_sxp_to_xapi
   cfg = self._parse_sxp(sxp_cfg)
 File "/usr/lib/python2.6/dist-packages/xen/xend/XendConfig.py", line 720, in 
_parse_sxp
   self.device_add(dev_type, cfg_sxp = config, target = cfg)
 File "/usr/lib/python2.6/dist-packages/xen/xend/XendConfig.py", line 1448, in 
device_add
   ret_uuid = self.device_duplicate_check(dev_type, dev_info, target, config)
 File "/usr/lib/python2.6/dist-packages/xen/xend/XendConfig.py", line 1237, in 
device_duplicate_check
   blkdev_file = blkdev_uname_to_file(dev_uname)
 File "/usr/lib/python2.6/dist-packages/xen/util/blkif.py", line 95, in 
blkdev_uname_to_file
   return _parse_uname(uname)[0]
 File "/usr/lib/python2.6/dist-packages/xen/util/blkif.py", line 90, in 
_parse_uname
   (taptype, fn) = fn.split(":", 2)[1:3]
ValueError: need more than 1 value to unpack

in xmexample config,

kernel = "/vm/tmp/vmlinuz-2.6.32.15-domU-deb"
ramdisk = "/vm/tmp/initrd.img-2.6.32.15-domU-deb"
memory = 256
name = "debdomU"
vif = [ 'mac=6A:60:41:4A:60:41,ip=172.16.30.201,bridge=eth1' ]
disk = [ "tap:aio:/vm/tmp/core.img,xvda1,w" , 
"tap:aio:/vm/tmp/swap.img,xvda2,w" ]
dhcp="dhcp"
netmask="255.255.255.0"
gateway="172.16.30.10"
hostname= "dbose-domU"
root="/dev/xvda1 ro"
extra = "3 console=hvc0"

vmlinuz/initrd/core.img/swap.img are made on Ubuntu and just copied over.

The same config worked earlier on a ubuntu-dom0/ubuntu-domU setup. Is this 
something to do with CentOS-dom0/Ubuntu-domU? Is copying binaries (pyc) built 
in Ubuntu wrong? Then how even xend/xendomains got started? If xend started 
with same python tool chain, what's wrong with domU booting up?

Please help me guys. Should I re-compile?

-Thanks
Deb
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