[Bug 1583009] Re: Error starting domain since update

[ChristianEhrhardt]

Newton->Ocata would be libvirt 1.3.1 (Xenial) -> 2.5 Upgrade (Zesty).

I tried two updates:
1. X-Newton -> X-Ocata
2. Xenial -> Zesty (EOL, so used Artful with 3.6 here)

Test according to commend #28 was:
1. get on X/X-N a guest
2. check status of virtlogd
3. upgrade
4. virsh shutdown/start after upgrade (which is supposed to hang)
5. checking virtlogd service status

The service was still:
  active (running) since Mon 2018-01-29 09:12:42 UTC; 8min ago

But you see on the 8 min ago, it was still "the old service" it was still on the same PID.
But the reload that is supposed to happen was triggered one could see the new entries in the log:
Jan 29 09:21:21 xenial-uca-N-O-upgrade systemd[1]: Reloading Virtual machine log manager.
Jan 29 09:21:21 xenial-uca-N-O-upgrade systemd[1]: Reloaded Virtual machine log manager.
Jan 29 09:21:21 xenial-uca-N-O-upgrade virtlogd[3965]: libvirt version: 2.5.0, package: 3ubuntu5.6~cloud0 (Openstack U
Jan 29 09:21:21 xenial-uca-N-O-upgrade virtlogd[3965]: hostname: xenial-uca-N-O-upgrade.lxd

But not only list, but also stop/start worked just fine.
Something must be different in your case - any suggestion which part of the setup/config might be special in your case?

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https://bugs.launchpad.net/bugs/1583009

Title:
  Error starting domain since update

Status in Ubuntu Cloud Archive:
  Incomplete
Status in libvirt package in Ubuntu:
  Fix Released

Bug description:
  Had no problems yesterday using virt-manager to open (or create new
  virtual machines)

  Received updates - unable to now open existing or create:

  Error starting domain: Failed to connect socket to '/var/run/libvirt
  /virtlogd-sock': No such file or directory

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: libvirt-bin 1.3.4-1ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
  Uname: Linux 4.4.0-22-generic x86_64
  ApportVersion: 2.20.1-0ubuntu4
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Wed May 18 07:18:47 2016
  InstallationDate: Installed on 2016-01-11 (127 days ago)
  InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160111)
  SourcePackage: libvirt
  UpgradeStatus: No upgrade log present (probably fresh install)
  modified.conffile..etc.init.d.virtlogd: [modified]
  modified.conffile..etc.libvirt.libvirtd.conf: [modified]
  modified.conffile..etc.libvirt.libxl.conf: [modified]
  modified.conffile..etc.libvirt.qemu.conf: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/qemu.conf']
  modified.conffile..etc.libvirt.qemu.networks.default.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/qemu/networks/default.xml']
  mtime.conffile..etc.init.d.virtlogd: 2016-05-01T04:06:42
  mtime.conffile..etc.libvirt.libvirtd.conf: 2016-05-14T15:01:59
  mtime.conffile..etc.libvirt.libxl.conf: 2016-05-14T15:01:55

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