I am facing the same problem with 2 wired connections. No matter what I
do, if I connect with 1st ethernet or switch to 2nd wired, the problem
persists. After boot up, when the problem starts, I switch the cable of
ethernet and temporally the problem finishes.
$ sudo lshw -C network
[sudo] password for rodrigo:
*-network
description: Ethernet interface
product: I211 Gigabit Network Connection
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:04:00.0
logical name: enp4s0
version: 03
serial: 1c:1b:0d:63:ab:3b
size: 1Gbit/s
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi msix pciexpress bus_master cap_list ethernet
physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=igb
driverversion=5.4.0-k duplex=full firmware=0. 6-1 ip=192.168.0.106 latency=0
link=yes multicast=yes port=twisted pair speed=1Gbit/s
resources: irq:16 memory:dfd00000-dfd1ffff ioport:d000(size=32)
memory:dfd20000-dfd23fff
*-network DISABLED
description: Wireless interface
product: Wireless 8260
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:05:00.0
logical name: wlp5s0
version: 3a
serial: e4:a4:71:62:32:bb
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical
wireless
configuration: broadcast=yes driver=iwlwifi
driverversion=4.15.0-45-generic firmware=34.0.1 latency=0 link=no multicast=yes
wireless=IEEE 802.11
resources: irq:131 memory:dfc00000-dfc01fff
*-network
description: Ethernet interface
product: Ethernet Connection (2) I219-V
vendor: Intel Corporation
physical id: 1f.6
bus info: pci@0000:00:1f.6
logical name: enp0s31f6
version: 31
serial: 1c:1b:0d:63:ab:39
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt
10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e
driverversion=3.2.6-k firmware=0.8-4 latency=0 link=no multicast=yes
port=twisted pair
resources: irq:123 memory:dff00000-dff1ffff
Here my syslog with the steps: after started the system, connection fine; when
I started web navigation, the connection failed; I turned off and turned on the
wired connection using Wired Settings (GUI); connection fine again; connection
failed again in few seconds; I turned off and turned on the wired connection
using Wired Settings (GUI) again; connection fine again; connection failed
again in few seconds; I turned off wired connection, and turned on the wi-fi
connection; wi-fi working fine during some minutes; I turned off wi-fi and
turned on wired again; wired connection working fine till now. Here the syslog:
$ cat /var/log/syslog | grep NetworkManager
Feb 1 07:12:08 guari NetworkManager[928]: <info> [1549012328.4405] manager:
NetworkManager state is now CONNECTED_GLOBAL
Feb 1 07:12:08 guari dbus-daemon[898]: [system] Activating via systemd:
service name='org.freedesktop.nm_dispatcher'
unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.12' (uid=0
pid=928 comm="/usr/sbin/NetworkManager --no-daemon " label="unconfined")
Feb 1 07:12:08 guari whoopsie[1440]: [07:12:08] The default IPv4 route is:
/org/freedesktop/NetworkManager/ActiveConnection/2
Feb 1 07:12:08 guari whoopsie[1440]: [07:12:08] Not a paid data plan:
/org/freedesktop/NetworkManager/ActiveConnection/2
Feb 1 07:12:08 guari whoopsie[1440]: [07:12:08] Found usable connection:
/org/freedesktop/NetworkManager/ActiveConnection/2
Feb 1 07:54:49 guari NetworkManager[928]: <info> [1549014889.3226] manager:
rfkill: WiFi hardware radio set disabled
Feb 1 07:54:49 guari NetworkManager[928]: <info> [1549014889.3227] device
(wlp5s0): state change: activated -> unavailable (reason 'none',
sys-iface-state: 'managed')
Feb 1 07:54:49 guari NetworkManager[928]: <info> [1549014889.3584] dhcp4
(wlp5s0): canceled DHCP transaction, DHCP client pid 8049
Feb 1 07:54:49 guari NetworkManager[928]: <info> [1549014889.3584] dhcp4
(wlp5s0): state changed bound -> done
Feb 1 07:54:49 guari NetworkManager[928]: <info> [1549014889.3607] manager:
NetworkManager state is now CONNECTED_SITE
Feb 1 07:54:49 guari NetworkManager[928]: <info> [1549014889.3637] manager:
NetworkManager state is now CONNECTED_LOCAL
Feb 1 07:54:49 guari dbus-daemon[898]: [system] Activating via systemd:
service name='org.freedesktop.nm_dispatcher'
unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.12' (uid=0
pid=928 comm="/usr/sbin/NetworkManager --no-daemon " label="unconfined")
Feb 1 07:54:49 guari NetworkManager[928]: <info> [1549014889.3645] manager:
NetworkManager state is now DISCONNECTED
Feb 1 07:54:49 guari NetworkManager[928]: <info> [1549014889.3732] audit:
op="radio-control" arg="wireless-enabled:0" pid=12405 uid=1000 result="success"
Feb 1 07:54:49 guari NetworkManager[928]: <info> [1549014889.3739] manager:
rfkill: WiFi now disabled by radio killswitch
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1239] device
(enp4s0): Activation: starting connection 'Wired connection 2'
(2924aa78-ea0a-34cb-96cc-abf787ff7b93)
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1243] audit:
op="connection-activate" uuid="2924aa78-ea0a-34cb-96cc-abf787ff7b93"
name="Wired connection 2" pid=12405 uid=1000 result="success"
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1266] device
(enp4s0): state change: disconnected -> prepare (reason 'none',
sys-iface-state: 'managed')
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1282] manager:
NetworkManager state is now CONNECTING
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1303] device
(enp4s0): state change: prepare -> config (reason 'none', sys-iface-state:
'managed')
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1334] device
(enp4s0): state change: config -> ip-config (reason 'none', sys-iface-state:
'managed')
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1365] dhcp4
(enp4s0): activation: beginning transaction (timeout in 45 seconds)
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1416] dhcp4
(enp4s0): dhclient started with pid 12471
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1831] dhcp4
(enp4s0): address 192.168.0.106
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1831] dhcp4
(enp4s0): plen 24 (255.255.255.0)
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1831] dhcp4
(enp4s0): gateway 192.168.0.1
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1831] dhcp4
(enp4s0): lease time 172800
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1832] dhcp4
(enp4s0): nameserver '200.204.0.10'
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1832] dhcp4
(enp4s0): nameserver '200.204.0.138'
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1832] dhcp4
(enp4s0): state changed unknown -> bound
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1845] device
(enp4s0): state change: ip-config -> ip-check (reason 'none', sys-iface-state:
'managed')
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1851] device
(enp4s0): state change: ip-check -> secondaries (reason 'none',
sys-iface-state: 'managed')
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1853] device
(enp4s0): state change: secondaries -> activated (reason 'none',
sys-iface-state: 'managed')
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1854] manager:
NetworkManager state is now CONNECTED_LOCAL
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1881] manager:
NetworkManager state is now CONNECTED_SITE
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1881] policy:
set 'Wired connection 2' (enp4s0) as default for IPv4 routing and DNS
Feb 1 07:55:20 guari NetworkManager[928]: <info> [1549014920.1884] device
(enp4s0): Activation: successful, device activated.
Feb 1 07:55:20 guari dbus-daemon[898]: [system] Activating via systemd:
service name='org.freedesktop.nm_dispatcher'
unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.12' (uid=0
pid=928 comm="/usr/sbin/NetworkManager --no-daemon " label="unconfined")
Feb 1 07:57:08 guari NetworkManager[928]: <info> [1549015028.3651] manager:
NetworkManager state is now CONNECTED_GLOBAL
Feb 1 07:57:08 guari dbus-daemon[898]: [system] Activating via systemd:
service name='org.freedesktop.nm_dispatcher'
unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.12' (uid=0
pid=928 comm="/usr/sbin/NetworkManager --no-daemon " label="unconfined")
Feb 1 07:57:08 guari whoopsie[1440]: [07:57:08] The default IPv4 route is:
/org/freedesktop/NetworkManager/ActiveConnection/3
Feb 1 07:57:08 guari whoopsie[1440]: [07:57:08] Not a paid data plan:
/org/freedesktop/NetworkManager/ActiveConnection/3
Feb 1 07:57:08 guari whoopsie[1440]: [07:57:08] Found usable connection:
/org/freedesktop/NetworkManager/ActiveConnection/3
Thanks.
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https://bugs.launchpad.net/bugs/1666432
Title:
Internet drops every few minutes on wired and wireless connection
Status in network-manager package in Ubuntu:
Confirmed
Bug description:
Internet drops every 1-30 minutes when connected via wired or wireless
(i.e., this is a problem on both wired and wireless) even though
connection icon indicates the computer is still connected.
Disconnecting and reconnecting via the connection icon resets internet
temporarily until the next time.
Dropped internet is discovered with "The site can't be reached"
screens in Chromium, or error messages when downloading/updating in
Terminal, or missing connection in Ubuntu Software app, or stalled
syncing in Insync application (occurred even without Insync).
Internet drops more frequently on wireless than on wired.
It seems to disconnect more frequently with heavier internet use
(e.g., downloading multiple files, opening several webpages in quick
succession).
This is a fresh install (yesterday) of Ubuntu 16.04 on a Dell Inspiron
15 5567 (dual boot). It occurs when running Live CD as well though.
Ethernet and wifi both work without randomly disconnecting in Windows
10 on the same machine, and ethernet and wifi work on other machines
running Ubuntu and Windows with the same router, so it is not a
hardware or router issue.
Output from sudo lshw -class network
*-network
description: Wireless interface
product: Wireless 3165
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlp2s0
version: 79
serial: 58:fb:84:55:21:52
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical
wireless
configuration: broadcast=yes driver=iwlwifi
driverversion=4.4.0-62-generic firmware=17.352738.0 ip=192.168.1.15 latency=0
link=yes multicast=yes wireless=IEEE 802.11abgn
resources: irq:283 memory:df100000-df101fff
*-network
description: Ethernet interface
product: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: enp3s0
version: 07
serial: 18:db:f2:3c:d5:37
size: 10Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet
physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169
driverversion=2.3LK-NAPI duplex=half firmware=rtl8106e-1_0.0.1 06/29/12
latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:279 ioport:d000(size=256) memory:df000000-df000fff
memory:d0300000-d0303fff
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: network-manager 1.2.2-0ubuntu0.16.04.3
ProcVersionSignature: Ubuntu 4.4.0-62.83-generic 4.4.40
Uname: Linux 4.4.0-62-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Feb 21 16:36:55 2017
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2017-02-20 (1 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
IpRoute:
default via 192.168.1.1 dev wlp2s0 proto static metric 600
169.254.0.0/16 dev wlp2s0 scope link metric 1000
192.168.1.0/24 dev wlp2s0 proto kernel scope link src 192.168.1.15
metric 600
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
wlp2s0 wifi connected /org/freedesktop/NetworkManager/Devices/0
pr500k-9912ec-1 36301ded-0ac5-4a86-9621-87290ef159af
/org/freedesktop/NetworkManager/ActiveConnection/5
enp3s0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 --
-- --
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/2 --
-- --
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW
WIFI WWAN-HW WWAN
running 1.2.2 connected started full enabled enabled
enabled enabled enabled
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