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[Qemu-devel] [Bug 1270397] [NEW] Systemd segfaults after live migration


From: Mateusz Kwiatkowski
Subject: [Qemu-devel] [Bug 1270397] [NEW] Systemd segfaults after live migration
Date: Sat, 18 Jan 2014 10:18:09 -0000

Public bug reported:

After live migrating my virtual machine it panics because of
segmentation fault in systemd (see attachment).

Software used (on archlinux):
qemu 1.7.0-1
libvirt 1.2.0-1
linux 3.12.7-1

This is configuration of this VM:
<domain type='kvm'>
  <name>vbroker</name>
  <uuid>455c9c62-10a6-11e3-a7f2-441ea153aac8</uuid>
  <description>455c9c62-10a6-11e3-a7f2-441ea153aac8</description>
  <memory unit='KiB'>6291456</memory>
  <currentMemory unit='KiB'>6291456</currentMemory>
  <vcpu placement='static'>4</vcpu>
  <os>
    <type arch='x86_64' machine='pc-i440fx-1.7'>hvm</type>
    <boot dev='cdrom'/>
    <bootmenu enable='no'/>
  </os>
  <features>
    <acpi/>
    <apic/>
  </features>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>restart</on_crash>
  <devices>
    <emulator>/usr/bin/qemu-kvm</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2' cache='none'/>
      <source 
file='/var/lib/libvirt/images/archipel/drives/455c9c62-10a6-11e3-a7f2-441ea153aac8/vbroker.qcow2'/>
      <target dev='vda' bus='virtio'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' 
function='0x0'/>
    </disk>
    <controller type='usb' index='0'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' 
function='0x2'/>
    </controller>
    <controller type='pci' index='0' model='pci-root'/>
    <interface type='bridge'>
      <mac address='de:ad:fb:8e:17:c2'/>
      <source bridge='br0'/>
      <model type='virtio'/>
      <filterref filter='clean-traffic'>
        <parameter name='IP' value='10.0.0.2'/>
      </filterref>
      <bandwidth>
      </bandwidth>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' 
function='0x0'/>
    </interface>
    <input type='tablet' bus='usb'/>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='-1' autoport='yes' keymap='en-us'/>
    <video>
      <model type='cirrus' vram='9216' heads='1'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' 
function='0x0'/>
    </video>
    <memballoon model='virtio'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' 
function='0x0'/>
    </memballoon>
  </devices>
</domain>

** Affects: qemu
     Importance: Undecided
         Status: New

** Attachment added: "Screenshot of panic message"
   
https://bugs.launchpad.net/bugs/1270397/+attachment/3951412/+files/systemd-panic.png

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https://bugs.launchpad.net/bugs/1270397

Title:
  Systemd segfaults after live migration

Status in QEMU:
  New

Bug description:
  After live migrating my virtual machine it panics because of
  segmentation fault in systemd (see attachment).

  Software used (on archlinux):
  qemu 1.7.0-1
  libvirt 1.2.0-1
  linux 3.12.7-1

  This is configuration of this VM:
  <domain type='kvm'>
    <name>vbroker</name>
    <uuid>455c9c62-10a6-11e3-a7f2-441ea153aac8</uuid>
    <description>455c9c62-10a6-11e3-a7f2-441ea153aac8</description>
    <memory unit='KiB'>6291456</memory>
    <currentMemory unit='KiB'>6291456</currentMemory>
    <vcpu placement='static'>4</vcpu>
    <os>
      <type arch='x86_64' machine='pc-i440fx-1.7'>hvm</type>
      <boot dev='cdrom'/>
      <bootmenu enable='no'/>
    </os>
    <features>
      <acpi/>
      <apic/>
    </features>
    <clock offset='utc'/>
    <on_poweroff>destroy</on_poweroff>
    <on_reboot>restart</on_reboot>
    <on_crash>restart</on_crash>
    <devices>
      <emulator>/usr/bin/qemu-kvm</emulator>
      <disk type='file' device='disk'>
        <driver name='qemu' type='qcow2' cache='none'/>
        <source 
file='/var/lib/libvirt/images/archipel/drives/455c9c62-10a6-11e3-a7f2-441ea153aac8/vbroker.qcow2'/>
        <target dev='vda' bus='virtio'/>
        <address type='pci' domain='0x0000' bus='0x00' slot='0x04' 
function='0x0'/>
      </disk>
      <controller type='usb' index='0'>
        <address type='pci' domain='0x0000' bus='0x00' slot='0x01' 
function='0x2'/>
      </controller>
      <controller type='pci' index='0' model='pci-root'/>
      <interface type='bridge'>
        <mac address='de:ad:fb:8e:17:c2'/>
        <source bridge='br0'/>
        <model type='virtio'/>
        <filterref filter='clean-traffic'>
          <parameter name='IP' value='10.0.0.2'/>
        </filterref>
        <bandwidth>
        </bandwidth>
        <address type='pci' domain='0x0000' bus='0x00' slot='0x03' 
function='0x0'/>
      </interface>
      <input type='tablet' bus='usb'/>
      <input type='mouse' bus='ps2'/>
      <graphics type='vnc' port='-1' autoport='yes' keymap='en-us'/>
      <video>
        <model type='cirrus' vram='9216' heads='1'/>
        <address type='pci' domain='0x0000' bus='0x00' slot='0x02' 
function='0x0'/>
      </video>
      <memballoon model='virtio'>
        <address type='pci' domain='0x0000' bus='0x00' slot='0x05' 
function='0x0'/>
      </memballoon>
    </devices>
  </domain>

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