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<p class="MsoNormal"><span style="font-size:11.0pt">Hi Michal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Build with the latest libvirt source code, I found failed to spawn a qemu process, not sure if something wrong with my environment, can you please help to take a look at it?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">After build the latest (3.0.0) libvirt, found failed to start an existed domain.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">root@s2600wt:/home/taget/qemu# virsh start kvm02<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">error: Failed to start domain kvm02<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">error: internal error: Process exited prior to exec: libvirt: QEMU Driver error : Unable to move /dev/mqueue mount: Invalid argument<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">then I found you had some code get merged, and required to use /dev/mqueue<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">so mount it then start the domain again:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">mount -t mqueue none /dev/mqueue<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">root@s2600wt:/home/taget/qemu# virsh start kvm02<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">error: Failed to start domain kvm02<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">error: An error occurred, but the cause is unknown<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">some debug log are:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakePathHelper:2899 : path=/var/run/libvirt/qemu/kvm02.dev/ mode=0777<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakeParentPath:2971 : path=/var/run/libvirt/qemu/kvm02.dev//hpet<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakePathHelper:2899 : path=/var/run/libvirt/qemu/kvm02.dev/ mode=0777<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakeParentPath:2971 : path=/var/run/libvirt/qemu/kvm02.dev//vfio/vfio<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakePathHelper:2899 : path=/var/run/libvirt/qemu/kvm02.dev//vfio mode=0777<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakePathHelper:2899 : path=/var/run/libvirt/qemu/kvm02.dev/ mode=0777<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x7f7dc812fad0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : qemuDomainSetupAllDisks:7076 : Setting up disks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : qemuDomainSetupAllDisks:7085 : Setup all disks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : qemuDomainSetupAllHostdevs:7124 : Setting up hostdevs<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : qemuDomainSetupAllHostdevs:7131 : Setup all hostdevs<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : qemuDomainSetupAllChardevs:7155 : Setting up chardevs<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : qemuDomainSetupAllChardevs:7163 : Setup all chardevs<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : qemuDomainSetupAllInputs:7231 : Setting up disks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : qemuDomainSetupAllInputs:7238 : Setup all disks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : qemuDomainSetupAllRNGs:7270 : Setting up RNGs<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : qemuDomainSetupAllRNGs:7278 : Setup all RNGs<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakePathHelper:2899 : path=/dev/pts mode=0777<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakePathHelper:2899 : path=/dev mode=0777<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakePathHelper:2899 : path=/dev/shm mode=0777<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakePathHelper:2899 : path=/dev mode=0777<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakePathHelper:2899 : path=/dev/mqueue mode=0777<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virFileMakePathHelper:2899 : path=/dev mode=0777<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x7f7dc812fad0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x7f7dc812fad0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : qemuProcessHook:2693 : Hook complete ret=0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virExec:699 : Done hook 0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virExec:736 : Setting child uid:gid to 0:0 with caps 0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virCommandHandshakeChild:435 : Notifying parent for handshake start on 25<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.195+0000: 37227: debug : virCommandHandshakeChild:443 : Waiting on parent for handshake complete on 26<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">libvirt: error : libvirtd quit during handshake: Input/output error<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">2017-01-05 07:48:44.216+0000: shutting down, reason=failed<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">/\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I work on the latest libvirt git tree.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">commit 866641d4c5706413393913fdb3bb1cd077683d21<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Author: Michal Privoznik <mprivozn@redhat.com><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Date: Sat Dec 24 17:55:48 2016 +0100<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> NEWS: Update after qemu namespace fix<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> Signed-off-by: Michal Privoznik <mprivozn@redhat.com><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:DengXian;color:black">Best Regards<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:DengXian;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:DengXian;color:black">Eli Qiao(<span lang="ZH-CN">乔立勇）</span>OpenStack Core team OTC Intel.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:DengXian;color:black">-- <o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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