我见过其他与我的情况类似的帖子，但我认为我真的很困惑为什么会出现网络连接失败的情况。
我有双启动，Ubuntu 20.04 和 Windows 10。
到现在为止我还没有遇到任何问题。
我没有安装任何新东西但是昨天 Ubuntu 开始给我网络连接失败提示。
我在安装 Ubuntu 之前就已经禁用了快速启动。我尝试过重启路由器。我尝试过 apt-get update 和 install reinstall network-manager。
互联网在 Windows 10 中运行良好。我只使用以太网电缆。
尝试其他帖子中的一些命令显示：
theocharis@theocharis:~/Desktop$ ifconfig
eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet6 fe80::2490:162a:b1d0:593c prefixlen 64 scopeid 0x20<link>
ether e0:3f:49:81:07:04 txqueuelen 1000 (Ethernet)
RX packets 1183 bytes 184860 (184.8 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 571 bytes 87423 (87.4 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 20 memory 0xf7f00000-f7f20000
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 3797 bytes 301360 (301.3 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 3797 bytes 301360 (301.3 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
theocharis@theocharis:~/Desktop$ ping google.com
ping: google.com: Temporary failure in name resolution
theocharis@theocharis:~/Desktop$ ping 8.8.8.8
ping: connect: Network is unreachable
theocharis@theocharis:~/Desktop$ cat etc/network/interfaces
cat: etc/network/interfaces: No such file or directory
theocharis@theocharis:~/Desktop$ cat etc/resolv.conf
cat: etc/resolv.conf: No such file or directory
theocharis@theocharis:~/Desktop$ sudo lshw -C network
[sudo] password for theocharis:
*-network
description: Ethernet interface
product: Ethernet Connection I217-V
vendor: Intel Corporation
physical id: 19
bus info: pci@0000:00:19.0
logical name: eno1
version: 05
serial: e0:3f:49:81:07:04
size: 100Mbit/s
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=5.11.0-25-generic duplex=full firmware=0.13-4 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
resources: irq:30 memory:f7f00000-f7f1ffff memory:f7f39000-f7f39fff ioport:f040(size=32)
theocharis@theocharis:~/Desktop$ route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
theocharis@theocharis:~/Desktop$ ping www.ku.edu
ping: www.ku.edu: Temporary failure in name resolution
theocharis@theocharis:~/Desktop$ ping www.ku.edu
PING ku.edu (129.237.11.76) 56(84) bytes of data.
ping: sendmsg: Network is unreachable
抱歉，如果我没有提供足够的信息。论坛帖子确实让我很困惑，而且我的经验也不够。
- 为@galexite 编辑 @galexite 我使用手机进行 USB 网络共享并得到：
theocharis@theocharis:~/Desktop$ dmesg | grep e1000e
[ 0.530758] e1000e: Intel(R) PRO/1000 Network Driver
[ 0.530759] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 0.530887] e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
[ 0.618026] e1000e 0000:00:19.0 0000:00:19.0 (uninitialized): registered PHC clock
[ 0.696624] e1000e 0000:00:19.0 eth0: (PCI Express:2.5GT/s:Width x1) e0:3f:49:81:07:04
[ 0.696626] e1000e 0000:00:19.0 eth0: Intel(R) PRO/1000 Network Connection
[ 0.696664] e1000e 0000:00:19.0 eth0: MAC: 11, PHY: 12, PBA No: FFFFFF-0FF
[ 0.697382] e1000e 0000:00:19.0 eno1: renamed from eth0
[ 9.384850] e1000e 0000:00:19.0 eno1: NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
[ 9.384854] e1000e 0000:00:19.0 eno1: 10/100 speed: disabling TSO
- 编辑@waltinator 我得到：
-- Logs begin at Sun 2021-06-27 18:12:19 EEST, end at Tue 2021-08-10 23:35:47 EEST. --
Αυγ 10 23:11:36 theocharis systemd[1]: Starting Network Manager...
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.3754] NetworkManager (version 1.22.10) is starting... (for the first ti>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.3754] Read config: /etc/NetworkManager/NetworkManager.conf (lib: 10-dns>
Αυγ 10 23:11:36 theocharis systemd[1]: Started Network Manager.
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.3945] bus-manager: acquired D-Bus service "org.freedesktop.NetworkManag>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.3973] manager[0x55bb0c56a030]: monitoring kernel firmware directory '/l>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.3973] monitoring ifupdown state file '/run/network/ifstate'.
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4722] hostname: hostname: using hostnamed
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4722] hostname: hostname changed from (none) to "theocharis"
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4725] dns-mgr[0x55bb0c554290]: init: dns=systemd-resolved rc-manager=sy>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4728] manager[0x55bb0c56a030]: rfkill: Wi-Fi hardware radio set enabled
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4728] manager[0x55bb0c56a030]: rfkill: WWAN hardware radio set enabled
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4765] Loaded device plugin: NMWwanFactory (/usr/lib/x86_64-linux-gnu/Ne>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4772] Loaded device plugin: NMWifiFactory (/usr/lib/x86_64-linux-gnu/Ne>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4786] Loaded device plugin: NMTeamFactory (/usr/lib/x86_64-linux-gnu/Ne>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4790] Loaded device plugin: NMAtmManager (/usr/lib/x86_64-linux-gnu/Net>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4802] Loaded device plugin: NMBluezManager (/usr/lib/x86_64-linux-gnu/N>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4805] manager: rfkill: Wi-Fi enabled by radio killswitch; enabled by st>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4806] manager: rfkill: WWAN enabled by radio killswitch; enabled by sta>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4807] manager: Networking is enabled by state file
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4808] dhcp-init: Using DHCP client 'internal'
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4814] settings: Loaded settings plugin: ifupdown ("/usr/lib/x86_64-linu>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4814] settings: Loaded settings plugin: keyfile (internal)
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4814] ifupdown: management mode: unmanaged
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <warn> [1628626296.4815] ifupdown: interfaces file /etc/network/interfaces doesn't exist
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4840] device (lo): carrier: link connected
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4842] manager: (lo): new Generic device (/org/freedesktop/NetworkManage>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4852] manager: (eno1): new Ethernet device (/org/freedesktop/NetworkMan>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4861] device (eno1): state change: unmanaged -> unavailable (reason 'ma>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <warn> [1628626296.6773] Error: failed to open /run/network/ifstate
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.6808] modem-manager: ModemManager available
Αυγ 10 23:11:40 theocharis NetworkManager[759]: <info> [1628626300.4897] agent-manager: agent[11acc7c7347d05d5,:1.42/org.gnome.Shell.Netwo>
lines 1-33...skipping...
-- Logs begin at Sun 2021-06-27 18:12:19 EEST, end at Tue 2021-08-10 23:35:47 EEST. --
Αυγ 10 23:11:36 theocharis systemd[1]: Starting Network Manager...
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.3754] NetworkManager (version 1.22.10) is starting... (for the first tim>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.3754] Read config: /etc/NetworkManager/NetworkManager.conf (lib: 10-dns->
Αυγ 10 23:11:36 theocharis systemd[1]: Started Network Manager.
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.3945] bus-manager: acquired D-Bus service "org.freedesktop.NetworkManage>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.3973] manager[0x55bb0c56a030]: monitoring kernel firmware directory '/li>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.3973] monitoring ifupdown state file '/run/network/ifstate'.
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4722] hostname: hostname: using hostnamed
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4722] hostname: hostname changed from (none) to "theocharis"
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4725] dns-mgr[0x55bb0c554290]: init: dns=systemd-resolved rc-manager=sym>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4728] manager[0x55bb0c56a030]: rfkill: Wi-Fi hardware radio set enabled
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4728] manager[0x55bb0c56a030]: rfkill: WWAN hardware radio set enabled
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4765] Loaded device plugin: NMWwanFactory (/usr/lib/x86_64-linux-gnu/Net>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4772] Loaded device plugin: NMWifiFactory (/usr/lib/x86_64-linux-gnu/Net>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4786] Loaded device plugin: NMTeamFactory (/usr/lib/x86_64-linux-gnu/Net>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4790] Loaded device plugin: NMAtmManager (/usr/lib/x86_64-linux-gnu/Netw>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4802] Loaded device plugin: NMBluezManager (/usr/lib/x86_64-linux-gnu/Ne>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4805] manager: rfkill: Wi-Fi enabled by radio killswitch; enabled by sta>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4806] manager: rfkill: WWAN enabled by radio killswitch; enabled by stat>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4807] manager: Networking is enabled by state file
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4808] dhcp-init: Using DHCP client 'internal'
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4814] settings: Loaded settings plugin: ifupdown ("/usr/lib/x86_64-linux>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4814] settings: Loaded settings plugin: keyfile (internal)
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4814] ifupdown: management mode: unmanaged
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <warn> [1628626296.4815] ifupdown: interfaces file /etc/network/interfaces doesn't exist
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4840] device (lo): carrier: link connected
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4842] manager: (lo): new Generic device (/org/freedesktop/NetworkManager>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4852] manager: (eno1): new Ethernet device (/org/freedesktop/NetworkMana>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.4861] device (eno1): state change: unmanaged -> unavailable (reason 'man>
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <warn> [1628626296.6773] Error: failed to open /run/network/ifstate
Αυγ 10 23:11:36 theocharis NetworkManager[759]: <info> [1628626296.6808] modem-manager: ModemManager available
Αυγ 10 23:11:40 theocharis NetworkManager[759]: <info> [1628626300.4897] agent-manager: agent[11acc7c7347d05d5,:1.42/org.gnome.Shell.Networ>
Αυγ 10 23:11:41 theocharis NetworkManager[759]: <info> [1628626301.5521] device (eno1): carrier: link connected
答案1
e1000e 驱动程序存在与网卡的省电功能相关的已知问题，该功能由 Windows 驱动程序激活。您需要重置 PCIe 设备才能继续在 Linux 中使用它。
步骤概述如下：https://unix.stackexchange.com/a/620766
每次启动 Windows 后都需要执行此操作。
如果还没有内核错误，您还应该报告一个。