[Bug 1320916] Re: NICs being mapped with strange names that make no sense

[Jeff Lane]

Brian,

biosdevname     0.4.1-0ubuntu6

Keep in mind I don't have access to the system anymore... Mike Miller at
HP (the Field Engineer there for the Technical Partner Program) may be
able to get back onto that system.

** Changed in: udev (Ubuntu)
       Status: Incomplete => Confirmed

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Title:
  NICs being mapped with strange names that make no sense

Status in “udev” package in Ubuntu:
  Confirmed

Bug description:
  There was a time when ethernet devices were ethX, and it was a happy
  time.

  Then things moved to udev, device mapper and you never know WHAT your
  ethernet device is going to be called.

  But lately, things have turned for the strange... udev has a habit,
  apparently (or device mapper perhaps, not sure what's generating the
  actual device names) of calling ethernet devces things like
  "renameX"... what the heck is a "rename"??  it's not an em, or eth, or
  wlan or whatever.

  Here's an example from a recent server certification:
  ---------------------------[ Devices found by udev ]----------------------------
  Category: NETWORK
  Interface: em1
  Product: NC362i Integrated Dual Port BL-c Gigabit Server Adapter
  Vendor: Intel Corporation
  Driver: igb (ver: 5.0.5-k)
  Path: /devices/pci0000:00/0000:00:03.0/0000:03:00.0

  Category: NETWORK
  Interface: rename3
  Product: NC362i Integrated Dual Port BL-c Gigabit Server Adapter
  Vendor: Intel Corporation
  Driver: igb (ver: 5.0.5-k)
  Path: /devices/pci0000:00/0000:00:03.0/0000:03:00.1

  Category: NETWORK
  Interface: em3
  Product: NC543i 1-port 4x QDR IB/Flex-10 10Gb Adapter
  Vendor: Mellanox Technologies
  Driver: mlx4_core (ver: 2.2-1)
  Path: /devices/pci0000:00/0000:00:07.0/0000:02:00.0

  This system has two things, a dual port gigabit adapter, and a 1 port
  10GbE adapter.

  It calls the second interface on the dual port gigabit adapter
  rename3.

  What the heck is a  rename3?

  I have seen this now on more than a couple servers with multiple
  network devices from different OEMs.

  Attached is dmesg from that machine.

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