Daniel Kao wrote:
> Hi Ross,
>
> Thank you very much for the reply. It makes sense! So let
> me break down the instructions:
>
> 1. rpm -i
> http://bits.xensource.com/oss-xen/release/3.2.0/centos-5.1/xen
-3.2.0-0xs.centos5.src.rpm 2> /dev/null
> 2. cd /usr/src/redhat/SOURCES ; wget
> http://bits.xensource.com/oss-xen/release/3.2.1/xen-3.2.1.tar.gz
> 3. vi ../SPECS/xen.spec
> i. Change "Version: 3.2.0" to "Version 3.2.1"
> ii. Change "Source0: xen-3.2.0.tar.gz" to "Source0: xen-3.2.1.tar.gz"
> iii. Uncomment "# /usr/lib/xen/boot/hvmloader" to
> "/usr/lib/xen/boot/hvmloader". (noted from previous threads
> to avoid rpmbuild error of unpackaged file)
> 4. yum -y install transfig texi2html tetex-latex gtk2-devel
> libaio-devel gnutls-devel (dependencies needed for rpmbuild
> of xen.spec in CentOS)
> 5. cd /usr/src/redhat/SPECS ; rpmbuild -ba ./xen.spec
> 6. Grab some coffee...
>
> ... and come back to this:
>
> Wrote: /usr/src/redhat/SRPMS/xen-3.2.1-0xs.src.rpm
> Wrote: /usr/src/redhat/RPMS/x86_64/xen-3.2.1-0xs.x86_64.rpm
> Wrote: /usr/src/redhat/RPMS/x86_64/xen-libs-3.2.1-0xs.x86_64.rpm
> Wrote: /usr/src/redhat/RPMS/x86_64/xen-devel-3.2.1-0xs.x86_64.rpm
> Wrote: /usr/src/redhat/RPMS/x86_64/xen-debuginfo-3.2.1-0xs.x86_64.rpm
> Executing(%clean): /bin/sh -e /var/tmp/rpm-tmp.xxxxxx
> + umask 022
> + cd /usr/src/redhat/BUILD
> + cd xen-3.2.1
> + rm -rf /var/tmp/xen-3.2.1-0xs-root
> + exit 0
>
> 7. vi /etc/yum.conf and temporarily set "gpgcheck=0" to
> "gpgcheck=1" since RPMs aren't signed.
> 8. cd /usr/src/redhat/RPMS/x86_64 ; yum -y install
> xen-3.2.1-0xs.x86_64.rpm xen-libs-3.2.1-0xs.x86_64.rpm
> xen-devel-3.2.1-0xs.x86_64.rpm
> 9. vi /etc/yum.conf and set gpgcheck back to "gpgcheck=1".
>
> Reboot.
>
> xend won't start now with the following in /var/log/xen/xend.log
>
> [2008-07-17 16:30:23 7029] INFO (SrvDaemon:226) Xend stopped
> due to signal 15.
> [2008-07-17 16:30:23 7870] INFO (SrvDaemon:331) Xend Daemon started
> [2008-07-17 16:30:23 7870] INFO (SrvDaemon:335) Xend
> changeset: unavailable.
> [2008-07-17 16:30:23 7870] INFO (SrvDaemon:342) Xend version: Unknown.
> [2008-07-17 16:30:23 7870] ERROR (SrvDaemon:353) Exception
> starting xend ((13, 'Permission denied'))
> Traceback (most recent call last):
> File
> "/usr/lib64/python2.4/site-packages/xen/xend/server/SrvDaemon.
py", line 345, in run
> servers = SrvServer.create()
> File
> "/usr/lib64/python2.4/site-packages/xen/xend/server/SrvServer.
py", line 251, in create
> root.putChild('xend', SrvRoot())
> File
> "/usr/lib64/python2.4/site-packages/xen/xend/server/SrvRoot.py
", line 40, in __init__
> self.get(name)
> File
> "/usr/lib64/python2.4/site-packages/xen/web/SrvDir.py", line
> 82, in get
> val = val.getobj()
> File
> "/usr/lib64/python2.4/site-packages/xen/web/SrvDir.py", line
> 52, in getobj
> self.obj = klassobj()
> File
> "/usr/lib64/python2.4/site-packages/xen/xend/server/SrvNode.py
", line 30, in __init__
> self.xn = XendNode.instance()
> File
> "/usr/lib64/python2.4/site-packages/xen/xend/XendNode.py",
> line 709, in instance
> inst = XendNode()
> File
> "/usr/lib64/python2.4/site-packages/xen/xend/XendNode.py",
> line 83, in __init__
> self.other_config["xen_pagesize"] =
> self.xeninfo_dict()["xen_pagesize"]
> File
> "/usr/lib64/python2.4/site-packages/xen/xend/XendNode.py",
> line 673, in xeninfo_dict
> return dict(self.xeninfo())
> File
> "/usr/lib64/python2.4/site-packages/xen/xend/XendNode.py",
> line 617, in xeninfo
> info['xen_scheduler'] = self.xenschedinfo()
> File
> "/usr/lib64/python2.4/site-packages/xen/xend/XendNode.py",
> line 607, in xenschedinfo
> sched_id = self.xc.sched_id_get()
> Error: (13, 'Permission denied')
>
> I did a quick peek in /usr/lib64/python2.4/site-packages/xen
> and all the Python tools looks to be correct with 3.2.1.
>
> Any ideas?
Yes, almost perfect setup, except, need to edit /boot/grub/grub.conf
and switch all /boot/xen-3.1... references to /boot/xen-3.2...
the errors you saw are what happens when the newer libraries try
to access the older hypervisor.
-Ross
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