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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Jeffrey,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">rax-iad uses xen as a base virtualization layer iiuc. Perhaps kvm on xen is not a technical feature rax-iad supports or perhaps libvirt was modified and now fails with xen? Whatever the
case is, rax-iad has been a semi-constant source of hassle with Kolla’s gate jobs; I think partly because Kolla’s gate scripts need to special-case rax-iad in some way.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Just one of many possibilities.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Happy new year
</span><span style="font-size:11.0pt;font-family:Wingdings">J</span><span style="font-size:11.0pt;font-family:Calibri"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">-steve<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-family:Calibri;color:black">From: </span>
</b><span style="font-family:Calibri;color:black">Jeffrey Zhang <zhang.lei.fly@gmail.com><br>
<b>Reply-To: </b>"OpenStack Development Mailing List (not for usage questions)" <openstack-dev@lists.openstack.org><br>
<b>Date: </b>Saturday, December 31, 2016 at 6:22 AM<br>
<b>To: </b>"OpenStack Development Mailing List (not for usage questions)" <openstack-dev@lists.openstack.org><br>
<b>Subject: </b>Re: [openstack-dev] [kolla][rdo] libvirt 2.0 process is failed during launching qemu progress<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:Courier">I checked more than ten error gates, all of them happened in rax-iad.<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Sat, Dec 31, 2016 at 12:06 PM, Steven Dake (stdake) <<a href="mailto:stdake@cisco.com" target="_blank">stdake@cisco.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:Calibri">Jeffrey,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:Calibri"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:Calibri">Have you detected any pattern to any specific cloud provider in the logs?</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:Calibri">Regards</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:Calibri">-steve</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-family:Calibri;color:black">From:
</span></b><span style="font-family:Calibri;color:black">Jeffrey Zhang <<a href="mailto:zhang.lei.fly@gmail.com" target="_blank">zhang.lei.fly@gmail.com</a>><br>
<b>Reply-To: </b>"OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org" target="_blank">openstack-dev@lists.openstack.org</a>><br>
<b>Date: </b>Friday, December 30, 2016 at 12:41 AM<br>
<b>To: </b>OpenStack Development Mailing List <<a href="mailto:openstack-dev@lists.openstack.org" target="_blank">openstack-dev@lists.openstack.org</a>><br>
<b>Subject: </b>Re: [openstack-dev] [kolla][rdo] libvirt 2.0 process is failed during launching qemu progress</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Courier">Found this nova bug[0] and another talk in openstack-dev[1].</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Courier">The question is: why this happens now and then? sometimes the gate is OK. and others not.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Courier">[0] <a href="https://bugs.launchpad.net/nova/+bug/1649527" target="_blank">https://bugs.launchpad.net/nova/+bug/1649527</a></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Courier">[1] <a href="http://lists.openstack.org/pipermail/openstack-dev/2016-December/109401.html" target="_blank">http://lists.openstack.org/pipermail/openstack-dev/2016-December/109401.html</a></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On Fri, Dec 30, 2016 at 3:33 PM, Jeffrey Zhang <<a href="mailto:zhang.lei.fly@gmail.com" target="_blank">zhang.lei.fly@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Courier">Recently, centos 7.3 is release. libvirt is upgrade to 2.0 version.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Courier">But in kolla's gate. the nova_libvirt container failed now and then.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Courier">What i found is:</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Courier">1. Simple start nova_libvirt container is OK. </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Courier">2. When launching a new instance, libvirt is killed without any logs in libvirtd.log file.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Courier">3. in system messages log, i found following line.</span><o:p></o:p></p>
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<pre style="word-wrap:break-word;white-space:pre-wrap"><span style="color:black">Dec 29 00:41:24 localhost kernel: libvirtd[24340]: segfault at 8 ip 00007f9fee072823 sp 00007f9fe52dd1c0 error 4 in libvirt.so.0.2000.0[7f9fedf1f000+353000]</span><o:p></o:p></pre>
<pre style="word-wrap:break-word;white-space:pre-wrap"><span style="color:black">No idea why and how this happen. Any idea on this?</span><o:p></o:p></pre>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="m5276435884183029489hoenzb"><span style="color:#888888">--
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:Courier;color:#888888">Regards,</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:Courier;color:#888888">Jeffrey Zhang</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.5pt;font-family:Courier;color:#888888">Blog: </span><span style="color:#888888"><a href="http://xcodest.me/" target="_blank"><span style="font-size:9.5pt;font-family:Courier">http://xcodest.me</span></a></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:Courier">Regards,</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:Courier">Jeffrey Zhang</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.5pt;font-family:Courier">Blog: </span><a href="http://xcodest.me/" target="_blank"><span style="font-size:9.5pt;font-family:Courier">http://xcodest.me</span></a><o:p></o:p></p>
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__________________________________________________________________________<br>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"monospace","serif"">Regards,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"monospace","serif"">Jeffrey Zhang</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Courier">Blog: </span><a href="http://xcodest.me/" target="_blank"><span style="font-size:9.5pt;font-family:Courier">http://xcodest.me</span></a><o:p></o:p></p>
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