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#1 2025-05-22 10:39:24

codedcosmos
Member
Registered: 2017-09-25
Posts: 18

[Solved] Both Wifi and Wired not working anymore

I suspect my wireless issues are related to https://bbs.archlinux.org/viewtopic.php?id=305531, but I cannot figure out what's wrong with my ethernet port?

It definitely used to work, though some Ubuntu lts doesn't work either. The physical port looks fine, I blew out any dust that might be there and yes the cable I tested is working 100%. I reused that exact cable to plug in a usb ethernet port. The one I am using now to write this message.

Tried linux-lts, linux, resetting bios, updating bios and pcie_aspm=off, no such luck.

sudo dmesg | grep enp9s0
[    7.783202] r8169 0000:09:00.0 enp9s0: renamed from eth0
[    9.158648] r8169 0000:09:00.0 enp9s0: Link is Down
[   51.372882] r8169 0000:09:00.0 enp9s0: Link is Down
[  102.132378] r8169 0000:09:00.0 enp9s0: renamed from eth0
[  102.526526] r8169 0000:09:00.0 enp9s0: Link is Down
journalctl -e | grep enp9s0
May 22 20:23:41 maple sudo[3078]: codedcosmos : TTY=pts/0 ; PWD=/home/codedcosmos ; USER=root ; COMMAND=/usr/bin/ethtool -s enp9s0 speed 100 duplex full autoneg off
May 22 20:23:41 maple kernel: r8169 0000:09:00.0 enp9s0: Link is Down
May 22 20:24:32 maple NetworkManager[835]: <info>  [1747909472.3566] device (enp9s0): state change: unavailable -> unmanaged (reason 'unmanaged-link-not-init', managed-type: 'removed')
May 22 20:24:32 maple NetworkManager[835]: <info>  [1747909472.5331] device (eth0): interface index 4 renamed iface from 'eth0' to 'enp9s0'
May 22 20:24:32 maple kernel: r8169 0000:09:00.0 enp9s0: renamed from eth0
May 22 20:24:32 maple NetworkManager[835]: <info>  [1747909472.5354] device (enp9s0): state change: unmanaged -> unavailable (reason 'managed', managed-type: 'external')
May 22 20:24:32 maple kernel: r8169 0000:09:00.0 enp9s0: Link is Down
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1973] manager: (enp9s0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/3)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1974] device (enp9s0): state change: unmanaged -> unavailable (reason 'managed', managed-type: 'external')

network manager:

May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1668] NetworkManager (version 1.52.0-1) is starting... (after a restart, boot:cfd18dfd-7647-49e7-bc0f-5d934a68d403)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1668] Read config: /etc/NetworkManager/NetworkManager.conf, /usr/lib/NetworkManager/conf.d/20-connectivity.conf
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1685] manager[0x5afe8d19a600]: monitoring kernel firmware directory '/lib/firmware'.
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1887] hostname: hostname: using hostnamed
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1887] hostname: static hostname changed from (none) to "maple"
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1888] dns-mgr: init: dns=default,systemd-resolved rc-manager=symlink
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1891] manager[0x5afe8d19a600]: rfkill: Wi-Fi hardware radio set enabled
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1891] manager[0x5afe8d19a600]: rfkill: WWAN hardware radio set enabled
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1898] Loaded device plugin: NMAtmManager (/usr/lib/NetworkManager/1.52.0-1/libnm-device-plugin-adsl.so)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1904] Loaded device plugin: NMBluezManager (/usr/lib/NetworkManager/1.52.0-1/libnm-device-plugin-bluetooth.so)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1905] Loaded device plugin: NMOvsFactory (/usr/lib/NetworkManager/1.52.0-1/libnm-device-plugin-ovs.so)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1944] Loaded device plugin: NMTeamFactory (/usr/lib/NetworkManager/1.52.0-1/libnm-device-plugin-team.so)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1945] Loaded device plugin: NMWifiFactory (/usr/lib/NetworkManager/1.52.0-1/libnm-device-plugin-wifi.so)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1946] Loaded device plugin: NMWwanFactory (/usr/lib/NetworkManager/1.52.0-1/libnm-device-plugin-wwan.so)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1947] manager: rfkill: Wi-Fi enabled by radio killswitch; enabled by state file
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1947] manager: rfkill: WWAN enabled by radio killswitch; enabled by state file
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1947] manager: Networking is enabled by state file
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1948] settings: Loaded settings plugin: keyfile (internal)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1957] dhcp: init: Using DHCP client 'internal'
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1957] manager: (lo): new Loopback device (/org/freedesktop/NetworkManager/Devices/1)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1959] device (lo): state change: unmanaged -> unavailable (reason 'connection-assumed', managed-type: 'external')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1960] device (lo): state change: unavailable -> disconnected (reason 'connection-assumed', managed-type: 'external')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1962] device (lo): Activation: starting connection 'lo' (31aeff79-db70-4aad-8635-64036a3b0aa0)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1963] device (enp12s0u1c2): carrier: link connected
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1965] manager: (enp12s0u1c2): new Ethernet device (/org/freedesktop/NetworkManager/Devices/2)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1966] manager: (enp12s0u1c2): assume: will attempt to assume matching connection 'Wired connection 2' (45e15c84-5ae4-3f50-acf5-6e1089c8069d) (indicated)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1966] device (enp12s0u1c2): state change: unmanaged -> unavailable (reason 'connection-assumed', managed-type: 'assume')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1968] device (enp12s0u1c2): state change: unavailable -> disconnected (reason 'connection-assumed', managed-type: 'assume')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1971] device (enp12s0u1c2): Activation: starting connection 'Wired connection 2' (45e15c84-5ae4-3f50-acf5-6e1089c8069d)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1973] manager: (enp9s0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/3)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1974] device (enp9s0): state change: unmanaged -> unavailable (reason 'managed', managed-type: 'external')
May 22 20:24:40 maple systemd[1]: Started Network Manager.
░░ Subject: A start job for unit NetworkManager.service has finished successfully
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel
░░
░░ A start job for unit NetworkManager.service has finished successfully.
░░
░░ The job identifier is 2420.
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1980] bus-manager: acquired D-Bus service "org.freedesktop.NetworkManager"
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1986] ovsdb: disconnected from ovsdb
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1986] device (lo): state change: disconnected -> prepare (reason 'none', managed-type: 'external')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1987] device (lo): state change: prepare -> config (reason 'none', managed-type: 'external')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1987] device (lo): state change: config -> ip-config (reason 'none', managed-type: 'external')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1988] device (enp12s0u1c2): state change: disconnected -> prepare (reason 'none', managed-type: 'assume')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.1989] device (enp12s0u1c2): state change: prepare -> config (reason 'none', managed-type: 'assume')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2017] device (lo): state change: ip-config -> ip-check (reason 'none', managed-type: 'external')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2019] device (enp12s0u1c2): state change: config -> ip-config (reason 'none', managed-type: 'assume')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2020] dhcp4 (enp12s0u1c2): activation: beginning transaction (timeout in 45 seconds)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2024] device (lo): state change: ip-check -> secondaries (reason 'none', managed-type: 'external')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2025] device (lo): state change: secondaries -> activated (reason 'none', managed-type: 'external')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2026] device (lo): Activation: successful, device activated.
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2067] dhcp4 (enp12s0u1c2): state changed new lease, address=10.1.1.34, acd pending
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2068] dhcp4 (enp12s0u1c2): state changed new lease, address=10.1.1.34
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2070] policy: set 'Wired connection 2' (enp12s0u1c2) as default for IPv4 routing and DNS
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2137] device (enp12s0u1c2): state change: ip-config -> ip-check (reason 'none', managed-type: 'assume')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2141] device (enp12s0u1c2): state change: ip-check -> secondaries (reason 'none', managed-type: 'assume')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2141] device (enp12s0u1c2): state change: secondaries -> activated (reason 'none', managed-type: 'assume')
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2142] manager: NetworkManager state is now CONNECTED_SITE
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2142] device (enp12s0u1c2): Activation: successful, device activated.
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.2171] agent-manager: agent[f5912399f7349b51,:1.63/org.gnome.Shell.NetworkAgent/1000]: agent registered
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.3153] dhcp6 (enp12s0u1c2): activation: beginning transaction (timeout in 45 seconds)
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.3194] dhcp6 (enp12s0u1c2): state changed new lease
May 22 20:24:40 maple NetworkManager[3269]: <info>  [1747909480.8695] manager: NetworkManager state is now CONNECTED_GLOBAL
May 22 20:24:46 maple NetworkManager[3269]: <info>  [1747909486.1978] manager: startup complete
lspci -k
...
09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8126 5GbE Controller (rev 01)
        Subsystem: Micro-Star International Co., Ltd. [MSI] Device 7e51
        Kernel driver in use: r8169
        Kernel modules: r8169
...

Last edited by codedcosmos (2025-05-22 21:42:25)

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#2 2025-05-22 15:29:56

seth
Member
Registered: 2012-09-03
Posts: 64,044

Re: [Solved] Both Wifi and Wired not working anymore

Don't grep.
Please post your complete system journal for the boot: 

sudo journalctl -b | curl -F 'file=@-' 0x0.st

NM seems to connect via some dongle/tether device.

For the 8126 rj45 NIC see https://bbs.archlinux.org/viewtopic.php?id=304075
It's not clear what your wifi NIC is, also post the output of "ip a"

How to upload text · How to boot w/o GUI · Disable Windows Fast-Start! · Fix your xinitrc

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#3 2025-05-22 20:59:11

codedcosmos
Member
Registered: 2017-09-25
Posts: 18

Re: [Solved] Both Wifi and Wired not working anymore

sudo journalctl -b | curl -F 'file=@-' 0x0.st

http://0x0.st/8wku.txt

Yes network manager is connecting to a usb to ethernet dongle correctly. My motherboards wifi and ethernet is what isn't functional. None of the commands have above it plugged in, I can plug it in and run something else if that's helpful.

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute
       valid_lft forever preferred_lft forever
2: enp9s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
    link/ether 34:5a:60:43:dd:60 brd ff:ff:ff:ff:ff:ff
    altname enx345a6043dd60
3: enp12s0u1c2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 6c:6e:07:08:9d:37 brd ff:ff:ff:ff:ff:ff
    altname enx6c6e07089d37
    inet 10.1.1.34/24 brd 10.1.1.255 scope global dynamic noprefixroute enp12s0u1c2
       valid_lft 86037sec preferred_lft 86037sec
    inet6 fd2e:67d0:b3ed:0:1bd:8be9:2e66:fe61/64 scope global noprefixroute
       valid_lft forever preferred_lft forever
    inet6 fe80::6354:60ed:a6c3:6513/64 scope link noprefixroute
       valid_lft forever preferred_lft forever

My wifi NIC can be found here in the journal:

May 23 03:05:18 maple kernel: ath12k_pci 0000:08:00.0: failed to receive wmi unified ready event: -110
May 23 03:05:18 maple kernel: ath12k_pci 0000:08:00.0: failed to start core: -110
May 23 03:05:18 maple kernel: failed to send QMI message
May 23 03:05:18 maple kernel: ath12k_pci 0000:08:00.0: qmi failed to send mode request, mode: 4, err = -5
May 23 03:05:18 maple kernel: ath12k_pci 0000:08:00.0: qmi failed to send wlan mode off

Thanks for the reply Seth, and for looking out for issues like this one and others.

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#4 2025-05-22 21:03:15

codedcosmos
Member
Registered: 2017-09-25
Posts: 18

Re: [Solved] Both Wifi and Wired not working anymore

I updated my kernel and linux-firmware after enabling core-testing, like https://bbs.archlinux.org/viewtopic.php?id=305531 suggests and both my ethernet and wifi chip are functional again.

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#5 2025-05-22 21:34:53

seth
Member
Registered: 2012-09-03
Posts: 64,044

Re: [Solved] Both Wifi and Wired not working anymore

Please make sure to read https://wiki.archlinux.org/title/Offici … positories
Please always remember to mark resolved threads by editing your initial posts subject - so others will know that there's no task left, but maybe a solution to find.
Thanks.

How to upload text · How to boot w/o GUI · Disable Windows Fast-Start! · Fix your xinitrc

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#6 2025-05-22 21:42:03

codedcosmos
Member
Registered: 2017-09-25
Posts: 18

Re: [Solved] Both Wifi and Wired not working anymore

Yeah I don't plan on continuing to use testing but at least I know the fix isn't physical and the software fix is upstreamed.

Thanks again Seth

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