Happens on my system too (18.04 with latest updates). Works fine in
Windows 7. Motherboard is a Z370P D3. I've also tried a USB wifi adapter
which had the same problem. A laptop also running Ubuntu 18.04 has no
problem.
[root@serv ~]# sudo lshw -class network
*-network
description: Wireless interface
product: Wireless 8260
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:04:00.0
logical name: wlp4s0
version: 41
serial: 34:13:e8:2e:88:67
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:133 memory:f7200000-f7201fff
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:07:00.0
logical name: enp7s0
version: 0c
serial: e0:d5:5e:6b:b7:1d
size: 100Mbit/s
capacity: 1Gbit/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 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=off broadcast=yes driver=r8169
driverversion=2.3LK-NAPI duplex=half firmware=rtl8168g-2_0.0.1 02/06/13
ip=192.168.178.29 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
resources: irq:18 ioport:d000(size=256) memory:f7100000-f7100fff
memory:f2100000-f2103fff
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https://bugs.launchpad.net/bugs/1666432
Title:
Internet drops every few minutes on wired and wireless connection
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