[Bug 897789] Re: xen: ease cloning of virtual images by disabling mac address rules

[Launchpad Bug Tracker]

This bug was fixed in the package udev - 175-0ubuntu4

---------------
udev (175-0ubuntu4) precise; urgency=low

  * Add builtin-block-polling.patch: Set default polling interval on CD drives
    as well. The events_dfl_poll_msecs will not trigger if "block" is not a
    module, but built in. This will avoid udisks etc. having to poll from
    userspace, and provide proper ejection when the hardware eject button is
    pressed. (LP: #890592)
  * Add 00git-keymaps.patch: Backport keymaps from current git master.
    (LP: #901513, #902332, #902798, #914838, #922405)
  * Add 00git-persistent-net-xen.patch: 75-persistent-net-generator.rules: Add
    Xen. (LP: #897789)
 -- Martin Pitt <martin.pitt at ubuntu.com>   Mon, 06 Feb 2012 09:17:28 +0100

** Branch linked: lp:~ubuntu-core-dev/ubuntu/precise/udev/ubuntu

** Changed in: udev (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/897789

Title:
  xen: ease cloning of virtual images by disabling mac address rules

Status in “udev” package in Ubuntu:
  Fix Released

Bug description:
  Similarly to LP #341006 other hypervisor MAC address prefixes should
  be added to the ignore list.

  Currently (Oneiric), /lib/udev/rules.d/75-persistent-net-
  generator.rules has:

  
  # ignore KVM virtual interfaces
  ENV{MATCHADDR}=="52:54:00:*", GOTO="persistent_net_generator_end"
  # ignore VMWare virtual interfaces
  ENV{MATCHADDR}=="00:0c:29:*|00:50:56:*", GOTO="persistent_net_generator_end"
  # ignore Hyper-V virtual interfaces
  ENV{MATCHADDR}=="00:15:5d:*", GOTO="persistent_net_generator_end"
  # ignore Eucalyptus virtual interfaces
  ENV{MATCHADDR}=="d0:0d:*", GOTO="persistent_net_generator_end"

  this list should be expanded to include:

  00:16:3e:* (xen, default range used in xen3)

  (see, e.g.
    http://www.coffer.com/mac_find/?string=00%3A16%3A3E
  )

  These are not caught by:

  # ignore Xen virtual interfaces
  SUBSYSTEMS=="xen", GOTO="persistent_net_generator_end"

  when on HVM mode without PV drivers, as the device appears as "eth0".

  Ideally this would be fixed from Lucid onwards, but should certainly
  be fixed for Precise.

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