Arch Linux

leau

Member

Registered: Yesterday

Posts: 2

WiFi randomly disconnects

It happened maybe a month ago, just like that, without any particular reason or update it seems to me.
After an hour, sometimes 3, sometimes I don't know, the wifi disconnects while my phone's mobile hotspot is still activated.

To tell the truth, more precisely, no more requests come through but I am still connected when I use the nmcli command, when I ping 1.1.1.1, the packets are not sent.

Sometimes using these commands in order:

- sudo systemctl restart systemd-networkd-
- sudo systemctl restart NetworkManager
- nmcli device wifi rescan

It may work again, otherwise I have to restart the computer and it works again without problem, but it has been irritating for a month.

nmcli

wlo1: connecté à Galaxy A52s 5G B0DC
    "Intel Alder Lake-P PCH CNVi AX211 160MHz 2x2"
    wifi (iwlwifi), F8:B5:4D:9D:53:37, hw, mtu 1500
    ip4 par défaut, ip6 par défaut
    inet4 192.168.255.33/24
    route4 192.168.255.0/24 metric 600
    route4 default via 192.168.255.196 metric 600
    inet6 2a02:8440:714a:350a:5eab:8b84:1f81:a027/64
    inet6 fe80::479b:d65d:3441:61d3/64
    route6 fe80::/64 metric 1024
    route6 2a02:8440:714a:350a::/64 metric 600
    route6 default via fe80::34cd:ebff:fec2:9ad3 metric 600

lo: connecté (en externe) à lo
    "lo"
    loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536
    inet4 127.0.0.1/8
    inet6 ::1/128

p2p-dev-wlo1: déconnecté
    "p2p-dev-wlo1"
    wifi-p2p, hw

DNS configuration:
    servers: 192.168.255.196
    interface: wlo1

    servers: 2a02:8440:714a:350a::9
    interface: wlo1

lspci -k

00:00.0 Host bridge: Intel Corporation Device 4621 (rev 02)
    DeviceName: Onboard - Other
    Subsystem: Samsung Electronics Co Ltd Device ca03
    Kernel driver in use: igen6_edac
    Kernel modules: igen6_edac
00:02.0 VGA compatible controller: Intel Corporation Alder Lake-P GT2 [Iris Xe Graphics] (rev 0c)
    DeviceName: Onboard - Video
    Subsystem: Samsung Electronics Co Ltd Device ca03
    Kernel driver in use: i915
    Kernel modules: i915, xe
00:04.0 Signal processing controller: Intel Corporation Alder Lake Innovation Platform Framework Processor Participant (rev 02)
    DeviceName: Onboard - Other
    Subsystem: Samsung Electronics Co Ltd Device ca03
    Kernel driver in use: proc_thermal_pci
    Kernel modules: processor_thermal_device_pci
00:06.0 PCI bridge: Intel Corporation 12th Gen Core Processor PCI Express x4 Controller #0 (rev 02)
    Kernel driver in use: pcieport
00:07.0 PCI bridge: Intel Corporation Alder Lake-P Thunderbolt 4 PCI Express Root Port #0 (rev 02)
    Subsystem: Samsung Electronics Co Ltd Device ca03
    Kernel driver in use: pcieport
00:08.0 System peripheral: Intel Corporation 12th Gen Core Processor Gaussian & Neural Accelerator (rev 02)
    DeviceName: Onboard - Other
    Subsystem: Samsung Electronics Co Ltd Device ca03
00:12.0 Serial controller: Intel Corporation Alder Lake-P Integrated Sensor Hub (rev 01)
    DeviceName: Onboard - Other
    Subsystem: Samsung Electronics Co Ltd Device ca03
    Kernel driver in use: intel_ish_ipc
    Kernel modules: intel_ish_ipc
00:14.3 Network controller: Intel Corporation Alder Lake-P PCH CNVi WiFi (rev 01)
    DeviceName: Onboard - Ethernet
    Subsystem: Intel Corporation Dual Band Wi-Fi 6E(802.11ax) AX211 160MHz 2x2 [Garfield Peak]
    Kernel driver in use: iwlwifi
    Kernel modules: iwlwifi
00:15.0 Serial bus controller: Intel Corporation Alder Lake PCH Serial IO I2C Controller #0 (rev 01)
    DeviceName: Onboard - Other
    Subsystem: Samsung Electronics Co Ltd Device ca03
    Kernel driver in use: intel-lpss
    Kernel modules: intel_lpss_pci
00:15.1 Serial bus controller: Intel Corporation Alder Lake PCH Serial IO I2C Controller #1 (rev 01)
    DeviceName: Onboard - Other
    Subsystem: Samsung Electronics Co Ltd Device ca03
    Kernel driver in use: intel-lpss
    Kernel modules: intel_lpss_pci
00:15.3 Serial bus controller: Intel Corporation Alder Lake PCH Serial IO I2C Controller #3 (rev 01)
    DeviceName: Onboard - Other
    Subsystem: Samsung Electronics Co Ltd Device ca03
    Kernel driver in use: intel-lpss
    Kernel modules: intel_lpss_pci
00:16.0 Communication controller: Intel Corporation Alder Lake PCH HECI Controller (rev 01)
    DeviceName: Onboard - Other
    Subsystem: Samsung Electronics Co Ltd Device ca03
    Kernel driver in use: mei_me
    Kernel modules: mei_me
00:1f.0 ISA bridge: Intel Corporation Alder Lake PCH eSPI Controller (rev 01)
    DeviceName: Onboard - Other
    Subsystem: Samsung Electronics Co Ltd Device ca03
00:1f.4 SMBus: Intel Corporation Alder Lake PCH-P SMBus Host Controller (rev 01)
    DeviceName: Onboard - Other
    Subsystem: Samsung Electronics Co Ltd Device ca03
    Kernel driver in use: i801_smbus
    Kernel modules: i2c_i801
00:1f.5 Serial bus controller: Intel Corporation Alder Lake-P PCH SPI Controller (rev 01)
    DeviceName: Onboard - Other
    Subsystem: Samsung Electronics Co Ltd Device ca03
    Kernel driver in use: intel-spi
    Kernel modules: spi_intel_pci

journalctl -xe (when it crashes)

déc. 01 11:53:48 arch systemd[1508]: Started kitty child process: 8797 launched by: 8757.
░░ Subject: L'unité (unit) UNIT a terminé son démarrage
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/l … temd-devel
░░
░░ L'unité (unit) UNIT a terminé son démarrage, avec le résultat done.
déc. 01 11:54:02 arch bluetoothd[1439]: /org/bluez/hci0/dev_84_5F_04_AA_5D_8C/sep2/fd0: fd(31) ready
déc. 01 11:54:21 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-SIGNAL-CHANGE ab
ove=1 signal=-66 noise=9999 txrate=65000
déc. 01 11:54:40 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-SIGNAL-CHANGE ab
ove=0 signal=-70 noise=9999 txrate=65000
déc. 01 11:54:53 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-SIGNAL-CHANGE ab
ove=1 signal=-67 noise=9999 txrate=65000
déc. 01 11:55:09 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-SIGNAL-CHANGE ab
ove=0 signal=-71 noise=9999 txrate=65000
déc. 01 11:56:53 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-SIGNAL-CHANGE ab
ove=1 signal=-69 noise=9999 txrate=65000
déc. 01 11:59:04 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-STARTED-CHANNEL-
SWITCH freq=2417 ht_enabled=1 ch_offset=0 ch_width=20 MHz cf1=2417 cf2=0
déc. 01 11:59:05 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-CHANNEL-SWITCH f
req=2417 ht_enabled=1 ch_offset=0 ch_width=20 MHz cf1=2417 cf2=0
déc. 01 11:59:51 arch NetworkManager[1437]: <info>  [1733050791.8047] manager: NetworkManager state i
s now CONNECTED_SITE
déc. 01 11:59:51 arch systemd[1]: Starting Network Manager Script Dispatcher Service...
░░ Subject: L'unité (unit) NetworkManager-dispatcher.service a commencé à démarr
er
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/l … temd-devel
░░
░░ L'unité (unit) NetworkManager-dispatcher.service a commencé à démarrer.
déc. 01 11:59:51 arch systemd[1]: Started Network Manager Script Dispatcher Service.
░░ Subject: L'unité (unit) NetworkManager-dispatcher.service a terminé son démar
rage
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/l … temd-devel
░░
░░ L'unité (unit) NetworkManager-dispatcher.service a terminé son démarrage, ave
c le résultat done.
déc. 01 12:00:01 arch systemd[1]: NetworkManager-dispatcher.service: Deactivated successfully.
░░ Subject: Unit succeeded
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/l … temd-devel
░░
░░ The unit NetworkManager-dispatcher.service has successfully entered the 'dead
' state.
déc. 01 12:00:16 arch systemd[1508]: Started kitty child process: 9134 launched by: 9128.
░░ Subject: L'unité (unit) UNIT a terminé son démarrage
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/l … temd-devel
░░
░░ L'unité (unit) UNIT a terminé son démarrage, avec le résultat done.
déc. 01 12:00:49 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-SIGNAL-CHANGE ab
ove=1 signal=-68 noise=9999 txrate=26000
déc. 01 12:00:52 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-SIGNAL-CHANGE ab
ove=1 signal=-57 noise=9999 txrate=26000
déc. 01 12:00:55 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-SIGNAL-CHANGE ab
ove=1 signal=-57 noise=9999 txrate=26000
déc. 01 12:01:01 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-SIGNAL-CHANGE ab
ove=1 signal=-57 noise=9999 txrate=26000
déc. 01 12:01:31 arch wpa_supplicant[1474]: wlo1: CTRL-EVENT-SIGNAL-CHANGE ab
ove=1 signal=-26 noise=9999 txrate=26000
déc. 01 12:05:10 arch systemd-timesyncd[1430]: Timed out waiting for reply from 185.254.100.25:123 (2
.arch.pool.ntp.org).

rfkill list all

0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

systemctl status NetworkManager

● NetworkManager.service - Network Manager
     Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled; preset: disabled)
     Active: active (running) since Sun 2024-12-01 10:39:04 CET; 1h 26min ago
Invocation: df4a5af0e44640c5a802b06d6aeb2216
       Docs: man:NetworkManager(8)
   Main PID: 1437 (NetworkManager)
      Tasks: 4 (limit: 18554)
     Memory: 26.9M (peak: 28.6M)
        CPU: 1.132s
     CGroup: /system.slice/NetworkManager.service
             └─1437 /usr/bin/NetworkManager --no-daemon

déc. 01 10:39:31 arch NetworkManager[1437]: <info>  [1733045971.6064] device (wlo1): state change: ip-config -> ip-check (reason 'none', managed-type: 'full')
déc. 01 10:39:31 arch NetworkManager[1437]: <info>  [1733045971.6705] device (wlo1): state change: ip-check -> secondaries (reason 'none', managed-type: 'full')
déc. 01 10:39:31 arch NetworkManager[1437]: <info>  [1733045971.6705] device (wlo1): state change: secondaries -> activated (reason 'none', managed-type: 'full')
déc. 01 10:39:31 arch NetworkManager[1437]: <info>  [1733045971.6707] manager: NetworkManager state is now CONNECTED_SITE
déc. 01 10:39:31 arch NetworkManager[1437]: <info>  [1733045971.6720] device (wlo1): Activation: successful, device activated.
déc. 01 10:39:31 arch NetworkManager[1437]: <info>  [1733045971.9951] manager: NetworkManager state is now CONNECTED_GLOBAL
déc. 01 10:39:33 arch NetworkManager[1437]: <info>  [1733045973.2516] policy: set 'Galaxy A52s 5G B0DC' (wlo1) as default for IPv6 routing and DNS
déc. 01 11:09:30 arch NetworkManager[1437]: <info>  [1733047770.4345] dhcp4 (wlo1): state changed new lease, address=192.168.255.33
déc. 01 11:39:29 arch NetworkManager[1437]: <info>  [1733049569.4232] dhcp4 (wlo1): state changed new lease, address=192.168.255.33
déc. 01 11:59:51 arch NetworkManager[1437]: <info>  [1733050791.8047] manager: NetworkManager state is now CONNECTED_SITE

Thanks for your help and time.

leau

Member

Registered: Yesterday

Posts: 2

Re: WiFi randomly disconnects

I forgot to precise that I completly reinstalled fresh Arch from iso and nothing changed, I was using iwd, now NetworkManager, same problem.

Head_on_a_Stick

Member

From: The Wirral

Registered: 2014-02-20

Posts: 8,324

Website

Re: WiFi randomly disconnects

Check the iwlwifi section (7.4.2) on the Wireless page in the ArchWiki.

And note that systemd-networkd should not be enabled at the same time as NetworkManager because the two can conflict. I don't think that's the case here (unless you have actually configured systemd-networkd for the wireless interface) but it is bad practice.

---

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