<div dir="ltr">I solve this problem by blacklist bridge module..<div><br></div><div style>I refer this post <a href="http://dev.opennebula.org/issues/1688">http://dev.opennebula.org/issues/1688</a>, which means I can only use <span style="background-color:rgb(255,255,221);color:rgb(72,72,72);font-family:Verdana,sans-serif;font-size:12px">brcompat in ubuntu 12.04. </span></div>
<div style><span style="background-color:rgb(255,255,221);color:rgb(72,72,72);font-family:Verdana,sans-serif;font-size:12px"><br></span></div><div style><span style="background-color:rgb(255,255,221);color:rgb(72,72,72);font-family:Verdana,sans-serif;font-size:12px">but the default bridge module is the built-in "bridge" module, so I blacklist it and restart openvswitch, it works.</span></div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Apr 2, 2013 at 2:46 PM, Liu Wenmao <span dir="ltr"><<a href="mailto:marvelliu@gmail.com" target="_blank">marvelliu@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">hi Aaron:<div><br><div>thanks anyway..</div><div><br></div><div>it's really a weird problem</div></div>
</div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Apr 2, 2013 at 2:29 PM, Aaron Rosen <span dir="ltr"><<a href="mailto:arosen@nicira.com" target="_blank">arosen@nicira.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I've not encountered these errors. If you didn't drop the list perhaps someone else could help you....</div>
<div><div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Apr 1, 2013 at 11:15 PM, Liu Wenmao <span dir="ltr"><<a href="mailto:marvelliu@gmail.com" target="_blank">marvelliu@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>After I uncomment user and group in the qemu.conf, the error remains the same.</div><div><br></div>
My linux release is Ubuntu 12.04LTS:<div><br><div><div>root@node1:~# dpkg -l|grep libvirt</div><div>
ii libvirt-bin 0.9.8-2ubuntu17.7 programs for the libvirt library</div><div>ii libvirt0 0.9.8-2ubuntu17.7 library for interfacing with different virtualization systems</div>
<div>ii python-libvirt 0.9.8-2ubuntu17.7 libvirt Python bindings</div></div><div><br></div><div><div>root@node1:~# tail /var/log/libvirt/libvirtd.log </div><div>2013-04-02 03:47:59.159+0000: 12796: info : libvirt version: 0.9.8</div>
<div>2013-04-02 03:47:59.159+0000: 12796: error : virNetDevBridgeAddPort:309 : Unable to add bridge br-int port tapcc380352-8b: Operation not supported</div><div>2013-04-02 03:49:26.103+0000: 12793: error : virNetDevBridgeAddPort:309 : Unable to add bridge br-int port tapd941ef5a-f1: Operation not supported</div>
<div>2013-04-02 05:01:12.223+0000: 30917: info : libvirt version: 0.9.8</div><div>2013-04-02 05:01:12.223+0000: 30917: error : virNetSocketReadWire:996 : End of file while reading data: Input/output error</div><div>2013-04-02 05:01:38.735+0000: 30921: error : virNetDevBridgeAddPort:309 : Unable to add bridge br-int port tap8317bc2f-53: Operation not supported</div>
<div>2013-04-02 05:03:08.780+0000: 30917: error : virNetSocketReadWire:996 : End of file while reading data: Input/output error</div><div>2013-04-02 06:07:12.279+0000: 18978: info : libvirt version: 0.9.8</div><div>2013-04-02 06:07:12.279+0000: 18978: error : virNetSocketReadWire:996 : End of file while reading data: Input/output error</div>
<div>2013-04-02 06:07:42.519+0000: 18980: error : virNetDevBridgeAddPort:309 : Unable to add bridge br-int port tapfcbc59a4-96: Operation not supported</div></div><div><br></div></div></div><div><div>
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<div class="gmail_quote">On Tue, Apr 2, 2013 at 1:05 PM, Aaron Rosen <span dir="ltr"><<a href="mailto:arosen@nicira.com" target="_blank">arosen@nicira.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><div class="gmail_extra">I believe that with older versions of libvirt you need to uncomment the following lines in /etc/libvirt/qemu.conf </div><div class="gmail_extra"><br></div><div class="gmail_extra">
<div class="gmail_extra"># The user ID for QEMU processes run by the system instance.</div><div class="gmail_extra">user = "root"</div><div class="gmail_extra"><br></div><div class="gmail_extra"># The group ID for QEMU processes run by the system instance.</div>
<div class="gmail_extra">group = "root"</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">I'd also check what's in /var/log/libvirt/libvirtd.log </div>
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