[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] virtio: network: lost tcp/ip packets
|
From: |
Stefan Priebe - Profihost AG |
|
Subject: |
Re: [Qemu-devel] virtio: network: lost tcp/ip packets |
|
Date: |
Mon, 21 Aug 2017 22:10:54 +0200 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 |
Hello,
does nobody have an idea?
Greets,
Stefam
Am 18.08.2017 um 16:40 schrieb Stefan Priebe - Profihost AG:
> Hello,
>
> i've a problem with two VMs running on the SAME host machine using qemu
> 2.7.1 or 2.9.0 and vhost_net + virtio.
>
> Sometimes TCP packets going from machine a to machine b are simply lost.
> I see them in VM A using tcpdump going out but they never come in on
> machine B. Both machines have iptables and stuff turned off.
>
> On the host both VMs network interfaces are connected to the same bridge.
>
> Any ideas? May be a known bug?
>
> Host and Guest Kernel is an OpenSuSE 42.3 kernel based on vanilla 4.4.82.
>
> Thanks!
>
> Greets,
> Stefan
>