[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1652946
Title:
Vlan on physical interface breaks TCP
Status in linux package in Ubuntu:
Expired
Bug description:
### More info:
http://serverfault.com/questions/820689/tcp-handshake-error-syn-and-syn-ack-packets-are-not-recognised/
### Kernel version
```bash
# uname -a
Linux docker-host 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC
2016 x86_64 x86_64 x86_64 GNU/Linux
```
### Step to reproduce:
- I use proxmox hypervisor and create virtual machine with virtio nic
- Take ubuntu-server 16.04.1
https://www.ubuntu.com/download/server/thank-you?version=16.04.1&architecture=amd64
- Install in minimal installation
- Execute:
```bash
# ip link add link ens18 name ens18.111 type vlan id 111
# ip addr add 192.168.111.80/24 dev ens18.111
# ip link set ens18.111 up
# ping 192.168.111.1
PING 192.168.111.1 (192.168.111.1) 56(84) bytes of data.
64 bytes from 192.168.111.1: icmp_seq=1 ttl=64 time=17.9 ms
64 bytes from 192.168.111.1: icmp_seq=2 ttl=64 time=18.8 ms
64 bytes from 192.168.111.1: icmp_seq=3 ttl=64 time=18.5 ms
^C
--- 192.168.111.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 17.932/18.455/18.841/0.414 m
# nslookup
> server 192.168.111.1
Default server: 192.168.111.1
Address: 192.168.111.1#53
> google.com
Server: 192.168.111.1
Address: 192.168.111.1#53
Non-authoritative answer:
Name: google.com
Address: 173.194.222.139
Name: google.com
Address: 173.194.222.113
Name: google.com
Address: 173.194.222.100
Name: google.com
Address: 173.194.222.102
Name: google.com
Address: 173.194.222.138
Name: google.com
Address: 173.194.222.101
> type cv
Server: 192.168.111.1
Address: 192.168.111.1#53
** server can't find type: NXDOMAIN
> google.com
;; connection timed out; no servers could be reached
^C
```
I tested this issue on arch linux iso and it's work properly
```bash
# uname -a
Linux archiso 4.8.11-1-ARCH #1 SMP PREEMPT SUN Nov 27 09:26:14 CET 2016
x86_64 FNU/Linux
```
---
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Dec 29 02:29 seq
crw-rw---- 1 root audio 116, 33 Dec 29 02:29 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
DistroRelease: Ubuntu 16.04
HibernationDevice: RESUME=/dev/mapper/docker--host-swap
InstallationDate: Installed on 2016-12-28 (0 days ago)
InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
IwConfig: Error: [Errno 2] No such file or directory
Lsusb:
Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
LANGUAGE=en_US:en
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 cirrusdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-31-generic
root=/dev/mapper/docker--host-root ro
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
RelatedPackageVersions:
linux-restricted-modules-4.4.0-31-generic N/A
linux-backports-modules-4.4.0-31-generic N/A
linux-firmware 1.157.4
RfKill: Error: [Errno 2] No such file or directory
Tags: xenial xenial
Uname: Linux 4.4.0-31-generic x86_64
UnreportableReason: The report belongs to a package that is not installed.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: False
dmi.bios.date: 04/01/2014
dmi.bios.vendor: SeaBIOS
dmi.bios.version:
rel-1.7.5.1-0-g8936dbb-20141113_115728-nilsson.home.kraxel.org
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-i440fx-2.2
dmi.modalias:
dmi:bvnSeaBIOS:bvrrel-1.7.5.1-0-g8936dbb-20141113_115728-nilsson.home.kraxel.org:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-2.2:cvnQEMU:ct1:cvrpc-i440fx-2.2:
dmi.product.name: Standard PC (i440FX + PIIX, 1996)
dmi.product.version: pc-i440fx-2.2
dmi.sys.vendor: QEMU
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