[Qemu-devel] [Bug 1682681] [NEW] qemu 2.5 network model rtl8139 collisions Ubuntu 16.04.2 LTS

[Bartłomeij Bujak]

Public bug reported:

When I use NIC model rtl8139, I have a lot collisions and very low transfer.
I tested that with brctl and Open vSwitch, because I thought that was a vSwitch 
issue. 
When I change NIC model to virtio all works as expect.

Host: Ubuntu 16.04.2 LTS
Guest: Ubuntu 14.04.5 LTS - affected
Guest: Ubuntu 16.04.2 LTS - not affected

QEMU emulator version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.10)

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1682681

Title:
  qemu 2.5 network model rtl8139 collisions Ubuntu 16.04.2 LTS

Status in QEMU:
  New

Bug description:
  When I use NIC model rtl8139, I have a lot collisions and very low transfer.
  I tested that with brctl and Open vSwitch, because I thought that was a 
vSwitch issue. 
  When I change NIC model to virtio all works as expect.

  Host: Ubuntu 16.04.2 LTS
  Guest: Ubuntu 14.04.5 LTS - affected
  Guest: Ubuntu 16.04.2 LTS - not affected

  QEMU emulator version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.10)

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