[Qemu-devel] [Bug 1593756] Re: qemu-ga won't start on Windows 8.1 guest

[Halogene]

Oh, qemu-ga worked before (not sure whether before upgrade to kernel
4.6.x or before upgrade to qemu 2.6.0 though). Re-installed a clean
windows into a new VM to verify issue.

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https://bugs.launchpad.net/bugs/1593756

Title:
  qemu-ga won't start on Windows 8.1 guest

Status in QEMU:
  New

Bug description:
  System: Arch Linux, kernel 4.6.2
  VM created with virt-manager 1.3.2
  qemu version 2.6.0
  Windows guest: 8.1, with latest updates (as of now)
  Drivers installed from virtio-win iso image (arch package version 0.1.118.2-1)
    in particular: vioserial driver version 62.73.104.11800

  I can start the Guest Agent VSS Provider manually, but the Guest Agent
  itself doesn't come up. When launched from Console, I get the
  following:

  <timestamp>: critical: error opening path
  <timestamp>: critical: error opening channel
  <timestamp>: critical: failed to create guest agent channel
  <timestamp>: critical: failed to initialize guest agent channel

  (As possible side effects I have experienced that suspend / resume of
  the VM only works when I resume, suspend again and resume again. After
  first resume the VM's screen is frozen and doesn't accept any input.
  After second resume, all seems to be well.)

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