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 -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. 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) To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1682681/+subscriptions