[Qemu-devel] [Bug 1089006] Re: Qemu scrambles order of eth devices in vm

[Thomas Huth]

Is there still something left to do here, or could we close this bug
nowadays?

** Changed in: qemu
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1089006

Title:
  Qemu scrambles order of eth devices in vm

Status in QEMU:
  Incomplete

Bug description:
  HV = 12.04 LTS plus libvirt 1.0x
  VM = 12.04 LTS

  On the HV there are 12 eth interfaces which we make available to the
  VM. We have 4 10G virtual function interfaces, and 8 1G conventionally
  bridged interfaces. No matter what order we present the interfaces in
  the xml file, they come up in eth0-eth11 order on the VM as follows:
  ( the interfcaes do work, once you figure out which is which)

  eth0-eth7 not in order as compoared to the bridges on the HV (interfaces 
file) or compared to the xml file for the VM, or compared to the bus numbers. 
MAC addresses are random.
  eth8-eth11 show up in the VM  in order of PCU bus numbers just as you'd 
expect, always after the bridged interfaces.

  Consulting the libvirt mailing list, the developer says they present
  the list in bus order to qemu, but qemu scrambles that order. That
  appears to me too, to be the case.

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