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    On 03/16/2012 01:58 PM, Su Zhang wrote:
    <blockquote
cite="mid:CAPjtyqvh4Rw7SnLM_JSSRCX=mrS27xWE6KVh4Pg_yraeR1-miA@mail.gmail.com"
      type="cite"><br>
      <br>
      <div class="gmail_quote">On Fri, Mar 16, 2012 at 12:55 AM, Su
        Zhang <span dir="ltr"><<a moz-do-not-send="true"
            href="mailto:westlifezs@gmail.com">westlifezs@gmail.com</a>></span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
          0.8ex; border-left: 1px solid rgb(204, 204, 204);
          padding-left: 1ex;">
          <br>
          <br>
          <div class="gmail_quote">
            <div class="im">On Fri, Mar 16, 2012 at 12:16 AM, Alex Jia <span
                dir="ltr"><<a moz-do-not-send="true"
                  href="mailto:ajia@redhat.com" target="_blank">ajia@redhat.com</a>></span>
              wrote:<br>
              <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
                0.8ex; border-left: 1px solid rgb(204, 204, 204);
                padding-left: 1ex;">
                <div bgcolor="#ffffff" text="#000000">
                  <div> On 03/16/2012 12:12 PM, Su Zhang wrote:
                    <blockquote type="cite">Alex,<br>
                      <br>
                      I changed the symbolic link to
                      "/usr/local/lib/libvirt.so.0.9.10". Here is the
                      running script:<br>
                      <br>
                      [root@XenTester libvirt-0.9.10]# rm
                      /usr/lib64/libvirt.so.0 <br>
                      rm: remove symbolic link
                      `/usr/lib64/libvirt.so.0'? yes<br>
                      [root@XenTester libvirt-0.9.10]# ln -s
                      /usr/local/lib/libvirt.so.0.9.10
                      /usr/lib64/libvirt.so.0<br>
                    </blockquote>
                  </div>
                  It's not enough, you had better to clean up your dirty
                  libvirt environment, for example, remove all of<br>
                   libvirt rpm package on host, then recompile libvirt
                  and ./configure --prefix=/usr && make
                  && make install, or ./autogen --system
                  && make && make install.</div>
              </blockquote>
            </div>
            <div><br>
              <br>
              I've already done make uninstall && ./autogen.sh
              --system && make && make install. However,
              while starting libvirtd, there is still an error here:<br>
              <br>
            </div>
          </div>
        </blockquote>
        <div>Sorry I forgot the command line I used to start the libvirt
          service, here it is:<br>
          <br>
              [root@XenTester su]# /etc/rc.d/init.d/libvirtd start<br>
        </div>
        <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
          0.8ex; border-left: 1px solid rgb(204, 204, 204);
          padding-left: 1ex;">
          <div class="gmail_quote">
            <div>
              Starting libvirtd daemon: libvirtd:
              /usr/lib64/libvirt.so.0: version `LIBVIRT_PRIVATE_0.9.4'
              not found (required by libvirtd)<br>
              libvirtd: /usr/lib64/libvirt.so.0: version
              `LIBVIRT_PRIVATE_0.9.4' not found (required by
              /usr/lib64/libvirt-qemu.so.0)<br>
                                                                        
              [FAILED]<br>
              <br>
              Does it mean I cannot remove all of the libvirt binary by
              only running "make uninstall"?<br>
              Are there any other ways can be used to remove the libvirt
              environment completely?<br>
            </div>
          </div>
        </blockquote>
      </div>
    </blockquote>
    As usual, 'make uninstall' should be okay, if your 0.9.4 is a
    libvirt rpm package installation, you may use 'rpm -e libvirt
    --nodeps' to<br>
    remove it, also remove libvirt-client rpm package using the same
    method.<br>
    <blockquote
cite="mid:CAPjtyqvh4Rw7SnLM_JSSRCX=mrS27xWE6KVh4Pg_yraeR1-miA@mail.gmail.com"
      type="cite">
      <div class="gmail_quote">
        <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
          0.8ex; border-left: 1px solid rgb(204, 204, 204);
          padding-left: 1ex;">
          <div class="gmail_quote">
            <div><br>
              Thanks,<br>
              <br>
            </div>
            <div>
              <div class="h5">
                <blockquote class="gmail_quote" style="margin: 0pt 0pt
                  0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204);
                  padding-left: 1ex;">
                  <div bgcolor="#ffffff" text="#000000">
                    <div>
                      <br>
                      <blockquote type="cite"><br>
                        <br>
                        I run "strace -o strace.txt virt-install
                        --connect=xen:/// -p" once again, and the
                        following error came out:<br>
                        <br>
                        ERROR    Error in network device parameters:
                        Virtual network 'default' does not exist: this
                        function is not supported by the connection
                        driver: virNetworkLookupByName<br>
                        the  strace.txt is attached. <br>
                      </blockquote>
                    </div>
                    I think current xen URI works well for you, and you
                    may try virt-install --connect=xen:/// -p -d or
                    virt-install -p -d to confirm this.<br>
                    <br>
                    The above error is another issues, you need to
                    change others stuff, it's not enough to just link <br>
                    /usr/local/lib/libvirt.so.0.9.10
                    /usr/lib64/libvirt.so.0, please follow answer 1.
                    <div>
                      <div><br>
                        <blockquote type="cite"><br>
                          Are there any other places I need to change in
                          order to let the system know I am running
                          libvirt.so.0.9.10?<br>
                          <br>
                          <br>
                          Thanks,<br>
                          <br>
                          <div class="gmail_quote">On Thu, Mar 15, 2012
                            at 10:54 PM, Su Zhang <span dir="ltr"><<a
                                moz-do-not-send="true"
                                href="mailto:westlifezs@gmail.com"
                                target="_blank">westlifezs@gmail.com</a>></span>
                            wrote:<br>
                            <blockquote class="gmail_quote"
                              style="margin: 0pt 0pt 0pt 0.8ex;
                              border-left: 1px solid rgb(204, 204, 204);
                              padding-left: 1ex;">Here it is:<br>
                              <br>
                              # ll /usr/lib64/libvirt.so.0<br>
                              lrwxrwxrwx. 1 root root 16 Mar 12 21:19
                              /usr/lib64/libvirt.so.0 ->
                              libvirt.so.0.9.4<br>
                              <br>
                              So you meant that I used a wrong
                              libvirt.so? How can I correct this?
                              <div>
                                <div><br>
                                  <br>
                                  <div class="gmail_quote"> On Thu, Mar
                                    15, 2012 at 10:52 PM, Alex Jia <span
                                      dir="ltr"><<a
                                        moz-do-not-send="true"
                                        href="mailto:ajia@redhat.com"
                                        target="_blank">ajia@redhat.com</a>></span>
                                    wrote:<br>
                                    <blockquote class="gmail_quote"
                                      style="margin: 0pt 0pt 0pt 0.8ex;
                                      border-left: 1px solid rgb(204,
                                      204, 204); padding-left: 1ex;">
                                      <div bgcolor="#ffffff"
                                        text="#000000">
                                        <div>
                                          <div> On 03/16/2012 11:41 AM,
                                            Su Zhang wrote:
                                            <blockquote type="cite"><br>
                                              <br>
                                              <div class="gmail_quote">On
                                                Thu, Mar 15, 2012 at
                                                10:20 PM, Alex Jia <span
                                                  dir="ltr"><<a
                                                    moz-do-not-send="true"
href="mailto:ajia@redhat.com" target="_blank">ajia@redhat.com</a>></span>
                                                wrote:<br>
                                                <blockquote
                                                  class="gmail_quote"
                                                  style="margin: 0pt 0pt
                                                  0pt 0.8ex;
                                                  border-left: 1px solid
                                                  rgb(204, 204, 204);
                                                  padding-left: 1ex;">
                                                  <div bgcolor="#ffffff"
                                                    text="#000000">
                                                    <div>
                                                      <div> On
                                                        03/16/2012 11:02
                                                        AM, Su Zhang
                                                        wrote:
                                                        <blockquote
                                                          type="cite"><br>
                                                          <br>
                                                          <div
                                                          class="gmail_quote">On
                                                          Thu, Mar 15,
                                                          2012 at 9:45
                                                          PM, Alex Jia <span
                                                          dir="ltr"><<a
moz-do-not-send="true" href="mailto:ajia@redhat.com" target="_blank">ajia@redhat.com</a>></span>
                                                          wrote:<br>
                                                          <blockquote
                                                          class="gmail_quote"
                                                          style="margin:
                                                          0pt 0pt 0pt
                                                          0.8ex;
                                                          border-left:
                                                          1px solid
                                                          rgb(204, 204,
                                                          204);
                                                          padding-left:
                                                          1ex;">
                                                          <div
                                                          bgcolor="#ffffff"
                                                          text="#000000">
                                                          <div> On
                                                          03/16/2012
                                                          05:33 AM, Su
                                                          Zhang wrote:
                                                          <blockquote
                                                          type="cite"><br>
                                                          <br>
                                                          <div
                                                          class="gmail_quote">On

                                                          Thu, Mar 15,
                                                          2012 at 4:20
                                                          PM, Eric Blake
                                                          <span
                                                          dir="ltr"><<a
moz-do-not-send="true" href="mailto:eblake@redhat.com" target="_blank">eblake@redhat.com</a>></span>
                                                          wrote:<br>
                                                          <blockquote
                                                          class="gmail_quote"
                                                          style="margin:
                                                          0pt 0pt 0pt
                                                          0.8ex;
                                                          border-left:
                                                          1px solid
                                                          rgb(204, 204,
                                                          204);
                                                          padding-left:
                                                          1ex;">
                                                          <div>On
                                                          03/15/2012
                                                          02:57 PM, Su
                                                          Zhang wrote:<br>
                                                          > Hi all,<br>
                                                          ><br>
                                                          > I am
                                                          trying to use
                                                          virt-install
                                                          to install
                                                          domU image.
                                                          However, I<br>
                                                          >
                                                          encountered
                                                          the following
                                                          issue. It
                                                          seems that a
                                                          connection
                                                          driver is<br>
                                                          > needed
                                                          for Xen.<br>
                                                          > I am new
                                                          to both
                                                          libvirt and
                                                          Xen. Anyone
                                                          have any ideas
                                                          on what's
                                                          wrong<br>
                                                          > with the
                                                          following
                                                          error ?<br>
                                                          ><br>
                                                          ><br>
                                                          ><br>
                                                          > #
                                                          virt-install
                                                          --connect=xen:///
                                                          -p -d<br>
                                                          > Thu, 15
                                                          Mar 2012
                                                          10:17:55 DEBUG
                                                             Launched
                                                          with command
                                                          line:<br>
                                                          >
                                                          /usr/bin/virt-install
                                                          --connect=xen:///

                                                          -p -d<br>
                                                          > Thu, 15
                                                          Mar 2012
                                                          10:17:55 DEBUG
                                                             Requesting
                                                          libvirt URI
                                                          xen:///<br>
                                                          > Thu, 15
                                                          Mar 2012
                                                          10:17:55 ERROR
                                                             no
                                                          connection
                                                          driver
                                                          available for
                                                          No<br>
                                                          >
                                                          connection for
                                                          URI xen:///<br>
                                                          <br>
                                                          </div>
                                                          This probably
                                                          means that
                                                          your copy of
                                                          libvirt.so and
                                                          libvirtd was
                                                          built<br>
                                                          without xen
                                                          support.  What
                                                          does<br>
                                                          <br>
                                                          virsh
                                                          --version=long<br>
                                                          <br>
                                                          say?  Also,
                                                          are you sure
                                                          libvirtd is
                                                          running?<br>
                                                          </blockquote>
                                                          </div>
                                                          </blockquote>
                                                          </div>
                                                          In addition, I
                                                          want to know
                                                          your
                                                          libvirt.so,
                                                          libvirtd, xend
                                                          location, for
                                                          example,<br>
                                                          # which
                                                          libvirtd<br>
                                                          # which xend<br>
                                                          # locate
                                                          libvirt.so<br>
                                                          <br>
                                                          Please also
                                                          make sure xend
                                                          service is
                                                          running:<br>
                                                          # service xend
                                                          status <br>
                                                          <div>
                                                          <blockquote
                                                          type="cite">
                                                          <div
                                                          class="gmail_quote">
                                                          <blockquote
                                                          class="gmail_quote"
                                                          style="margin:
                                                          0pt 0pt 0pt
                                                          0.8ex;
                                                          border-left:
                                                          1px solid
                                                          rgb(204, 204,
                                                          204);
                                                          padding-left:
                                                          1ex;"> <span><font
color="#888888"><br>
                                                          --<br>
                                                          Eric Blake   <a
moz-do-not-send="true" href="mailto:eblake@redhat.com" target="_blank">eblake@redhat.com</a>
                                                             <a
                                                          moz-do-not-send="true"
href="tel:%2B1-919-301-3266" value="+19193013266" target="_blank">+1-919-301-3266</a><br>
                                                          Libvirt
                                                          virtualization
                                                          library <a
                                                          moz-do-not-send="true"
href="http://libvirt.org" target="_blank">http://libvirt.org</a><br>
                                                          <br>
                                                          </font></span></blockquote>
                                                          </div>
                                                          <br>
                                                          Eric,<br>
                                                          <br>
                                                          Here is the
                                                          output:<br>
                                                          # virsh
                                                          --version=long<br>
                                                          Virsh command
                                                          line tool of
                                                          libvirt 0.9.10<br>
                                                          See web site
                                                          at <a
                                                          moz-do-not-send="true"
href="http://libvirt.org/" target="_blank">http://libvirt.org/</a><br>
                                                          <br>
                                                          Compiled with
                                                          support for:<br>
                                                           Hypervisors:
                                                          Xen QEmu/KVM
                                                          UML OpenVZ
                                                          VirtualBox LXC
                                                          Test<br>
                                                           Networking:
                                                          Remote Daemon
                                                          Network
                                                          Bridging
                                                          Nwfilter
                                                          VirtualPort<br>
                                                           Storage: Dir
                                                          Filesystem
                                                          SCSI Multipath
                                                          iSCSI LVM<br>
                                                           Miscellaneous:
                                                          SELinux
                                                          Secrets Debug<br>
                                                          <br>
                                                          It seems that
                                                          it does
                                                          support Xen.<br>
                                                          </blockquote>
                                                          </div>
                                                          Yeah, Xen
                                                          indeed appears
                                                          in Hypervisors
                                                          line.
                                                          <div><br>
                                                          <blockquote
                                                          type="cite"><br>
                                                          I am not sure
                                                          if libvirtd is
                                                          running so I
                                                          use the
                                                          following
                                                          command to
                                                          start it:<br>
                                                          <br>
                                                          [root@XenTester
                                                          srv]#
                                                          /etc/rc.d/init.d/libvirtd
                                                          start<br>
                                                          </blockquote>
                                                          </div>
                                                          Right, you may
                                                          also use
                                                          service
                                                          libvirtd
                                                          start, and
                                                          check it by
                                                          service
                                                          libvirtd
                                                          status or ps
                                                          -ef|grep
                                                          libvirtd.
                                                          <div>
                                                          <blockquote
                                                          type="cite"><br>
                                                          But the same
                                                          error is still
                                                          there.<br>
                                                          <br>
                                                          Am I using the
                                                          right way to
                                                          start libvirtd
                                                          service? Are
                                                          there any
                                                          other possible
                                                          reasons of
                                                          this error?<br>
                                                          </blockquote>
                                                          </div>
                                                          <blockquote
                                                          type="cite">
                                                          <div><br>
                                                          Thanks,<br
                                                          clear="all">
                                                          <br>
                                                          -- <br>
                                                          Su Zhang<br>
                                                          Ph.D Candidate<br>
                                                          Computing and
                                                          Information
                                                          Sciences<br>
                                                          Kansas State
                                                          University<br>
                                                          </div>
                                                          <pre><fieldset></fieldset>
_______________________________________________
libvirt-users mailing list
<a moz-do-not-send="true" href="mailto:libvirt-users@redhat.com" target="_blank">libvirt-users@redhat.com</a>
<a moz-do-not-send="true" href="https://www.redhat.com/mailman/listinfo/libvirt-users" target="_blank">https://www.redhat.com/mailman/listinfo/libvirt-users</a></pre>
                                                          </blockquote>
                                                          <br>
                                                          </div>
                                                          </blockquote>
                                                          </div>
                                                          Alex,<br>
                                                          <br>
                                                          Here is some
                                                          information:<br>
                                                          <br>
                                                          #
                                                          /etc/init.d/xencommons
                                                          start<br>
                                                          Starting
                                                          xenstored...<br>
                                                          Setting domain
                                                          0 name...<br>
                                                          Starting
                                                          xenconsoled...<br>
                                                          [root@XenTester
                                                          su]#
                                                          /etc/init.d/xend
                                                          start<br>
                                                          [root@XenTester
                                                          su]# which
                                                          libvirtd<br>
/usr/local/sbin/libvirtd<br>
                                                          [root@XenTester
                                                          su]# which
                                                          xend<br>
                                                          /usr/sbin/xend<br>
                                                          [root@XenTester
                                                          su]# locate
                                                          libvirt.so<br>
/usr/lib64/libvirt.so.0<br>
/usr/lib64/libvirt.so.0.9.4<br>
/usr/local/lib/libvirt.so<br>
/usr/local/lib/libvirt.so.0<br>
/usr/local/lib/libvirt.so.0.9.10<br>
                                                        </blockquote>
                                                      </div>
                                                    </div>
                                                    You have 2 different
                                                    libvirt versions
                                                    0.9.4 and 0.9.10,
                                                    and your 0.9.10 is
                                                    put under the<br>
                                                    /usr/local/lib
                                                    directory, so I
                                                    guess you haven't
                                                    used ./configure
                                                    with --prefix=/usr
                                                    option<br>
                                                    or directly use
                                                    ./autogen.sh
                                                    --system when you
                                                    configure and
                                                    compile libvirt.<br>
                                                    <br>
                                                    And also please yum
                                                    install strace -y if
                                                    you haven't
                                                    installed strace
                                                    rpm, then run the
                                                    following operation:<br>
                                                    <br>
                                                    # strace -o
                                                    strace.txt
                                                    virt-install
                                                    --connect=xen:/// -p<br>
                                                    <br>
                                                    Then attach
                                                    strace.txt as a
                                                    attachment.<br>
                                                    <br>
                                                    Thanks,<br>
                                                    Alex
                                                    <div><br>
                                                    </div>
                                                  </div>
                                                </blockquote>
                                                <div><br>
                                                  Alex,<br>
                                                  <br>
                                                  Thanks. I have run
                                                  ./autogen.sh --system.
                                                  And "make" and "make
                                                  install" the libvirt
                                                  once again.<br>
                                                  I encountered one type
                                                  of errors while
                                                  running "make
                                                  install", it seems
                                                  that the installer is
                                                  looking for a bunch of
                                                  HTML files under
                                                  /usr/bin/install. here
                                                  is the error info:<br>
                                                  <br>
                                                  /usr/bin/install:
                                                  cannot stat
                                                  `./api.html': No such
                                                  file or directory<br>
                                                  /usr/bin/install:
                                                  cannot stat
                                                  `./api_extension.html':
                                                  No such file or
                                                  directory<br>
                                                  /usr/bin/install:
                                                  cannot stat
                                                  `./apps.html': No such
                                                  file or directory<br>
                                                  /usr/bin/install:
                                                  cannot stat
                                                  `./archdomain.html':
                                                  No such file or
                                                  directory<br>
                                                  /usr/bin/install:
                                                  cannot stat
                                                  `./architecture.html':
                                                  No such file or
                                                  directory<br>
                                                  /usr/bin/install:
                                                  cannot stat
                                                  `./archnetwork.html':
                                                  No such file or
                                                  directory<br>
                                                  /usr/bin/install:
                                                  cannot stat
                                                  `./archnode.html': No
                                                  such file or directory<br>
                                                  (there are still tens
                                                  of HTML files missing)<br>
                                                  ....<br>
                                                </div>
                                              </div>
                                            </blockquote>
                                          </div>
                                        </div>
                                        It's not important for our
                                        issues.
                                        <div><br>
                                          <blockquote type="cite">
                                            <div class="gmail_quote">
                                              <div><br>
                                                Do you think this type
                                                of errors will affect
                                                the functionality of
                                                libvirt?<br>
                                                Also, I checked and it
                                                seems that I've the
                                                latest strace package
                                                installed. So I run
                                                "strace -o strace.txt
                                                virt-install
                                                --connect=xen:/// -p".<br>
                                                Please find strace.txt
                                                attached.<br>
                                              </div>
                                            </div>
                                          </blockquote>
                                        </div>
                                        I saw virt-install is opening
                                        /usr/lib64/libvirt.so.0 in
                                        strace.txt:
                                        <pre>open("/usr/lib64/libvirt.so.0", O_RDONLY) = 7

</pre>
                                        I want to confirm whether you're
                                        using compiling libvirt 0.9.10,
                                        <br>
                                        ll /usr/lib64/libvirt.so.0 say
                                        what?<br>
                                        <br>
                                        Thanks,<br>
                                        Alex
                                        <div><br>
                                          <blockquote type="cite">
                                            <div class="gmail_quote">
                                              <div><br>
                                                Thanks,<br>
                                              </div>
                                              <blockquote
                                                class="gmail_quote"
                                                style="margin: 0pt 0pt
                                                0pt 0.8ex; border-left:
                                                1px solid rgb(204, 204,
                                                204); padding-left:
                                                1ex;">
                                                <div bgcolor="#ffffff"
                                                  text="#000000">
                                                  <div>
                                                    <blockquote
                                                      type="cite">[root@XenTester

                                                      su]# service xend
                                                      status<br>
                                                      [root@XenTester
                                                      su]# ps -ef|grep
                                                      libvirtd<br>
                                                      root      2242    
                                                      1  0 21:52
                                                      ?        00:00:00
                                                      libvirtd --daemon<br>
                                                      root      3295 
                                                      3112  0 21:59
                                                      pts/0    00:00:00
                                                      grep libvirtd<br>
                                                      <br>
                                                      Can you see if it
                                                      is normal here?<br>
                                                      <br>
                                                      Thanks,<br>
                                                      <br clear="all">
                                                      <br>
                                                      -- <br>
                                                      Su Zhang<br>
                                                      Ph.D Candidate<br>
                                                      Computing and
                                                      Information
                                                      Sciences<br>
                                                      Kansas State
                                                      University<br>
                                                    </blockquote>
                                                    <br>
                                                  </div>
                                                </div>
                                              </blockquote>
                                            </div>
                                            <br>
                                            <br clear="all">
                                            <br>
                                            -- <br>
                                            Su Zhang<br>
                                            Ph.D Candidate<br>
                                            Computing and Information
                                            Sciences<br>
                                            Kansas State University<br>
                                          </blockquote>
                                          <br>
                                        </div>
                                      </div>
                                    </blockquote>
                                  </div>
                                  <br>
                                  <br clear="all">
                                  <br>
                                  -- <br>
                                  Su Zhang<br>
                                  Ph.D Candidate<br>
                                  Computing and Information Sciences<br>
                                  Kansas State University<br>
                                </div>
                              </div>
                            </blockquote>
                          </div>
                          <br>
                          <br clear="all">
                          <br>
                          -- <br>
                          Su Zhang<br>
                          Ph.D Candidate<br>
                          Computing and Information Sciences<br>
                          Kansas State University<br>
                        </blockquote>
                        <br>
                      </div>
                    </div>
                  </div>
                </blockquote>
              </div>
            </div>
          </div>
          <div class="HOEnZb">
            <div class="h5"><br>
              <br clear="all">
              <br>
              -- <br>
              Su Zhang<br>
              Ph.D Candidate<br>
              Computing and Information Sciences<br>
              Kansas State University<br>
            </div>
          </div>
        </blockquote>
      </div>
      <br>
      <br clear="all">
      <br>
      -- <br>
      Su Zhang<br>
      Ph.D Candidate<br>
      Computing and Information Sciences<br>
      Kansas State University<br>
    </blockquote>
    <br>
  </body>
</html>