[Bug 1242794] Re: Missing virtio-port symlinks

[Martin Pitt]

OK, so it's not the SUBSYSTEM. The only other thing that could
potentially go wrong is the ATTR{name}=="?*" bit, but if installing an
old udev on an otherwise current 13.10 works that really shouldn't be
the case. But to make sure, can you please check that

  cat /sys/devices/pci0000:00/0000:00:04.0/virtio0/virtio-
ports/vport0p2/name

gives you some non-empty name?

Can you please copy&paste the output of

  sudo udevadm test /devices/pci0000:00/0000:00:04.0/virtio0/virtio-
ports/vport0p2

perhaps that reveals something.

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https://bugs.launchpad.net/bugs/1242794

Title:
  Missing virtio-port symlinks

Status in “systemd” package in Ubuntu:
  Incomplete

Bug description:
  After upgrading from Raring to Saucy, our libguestfs system stopped
  working. I then tried a fresh install of Saucy with the same results.
  I narrowed the issue down to the udev package. I was able to downgrade
  the udev package to the previous non-systemd (175-0ubuntu29) version
  and it works again with no other changes. This leads me to believe the
  issues isn't related to the updates of libguestfs, qemu, etc.

  1) Ubuntu 13.10

  2) systemd_204-0ubuntu18

  3) libguestfs-test-tool should succeed as it does on Ubuntu 13.04.

  4) libguestfs fails to communicate to the virtual machine due to
  missing /dev/virtio-ports (org.libguestfs.channel.0 in this case)
  symlink to /dev/vport1p1 (which is correctly created).

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