I recently tried switching back to previous LTS kernel 5.15.106-1 while troubleshooting another issue with external monitors. That issue fixed itself with the kernel revert but now no WiFi is detected and even getting the wired connection recognised took a bit of the old turn it off and on again which was alarming
$ lspci:
00:02.0 VGA compatible controller: Intel Corporation Alder Lake-P Integrated Graphics Controller (rev 0c)
00:04.0 Signal processing controller: Intel Corporation Alder Lake Innovation Platform Framework Processor Participant (rev 02)
00:06.0 PCI bridge: Intel Corporation 12th Gen Core Processor PCI Express x4 Controller #0 (rev 02)
00:07.0 PCI bridge: Intel Corporation Alder Lake-P Thunderbolt 4 PCI Express Root Port #0 (rev 02)
00:07.2 PCI bridge: Intel Corporation Alder Lake-P Thunderbolt 4 PCI Express Root Port #2 (rev 02)
00:0a.0 Signal processing controller: Intel Corporation Platform Monitoring Technology (rev 01)
00:0d.0 USB controller: Intel Corporation Alder Lake-P Thunderbolt 4 USB Controller (rev 02)
00:0d.2 USB controller: Intel Corporation Alder Lake-P Thunderbolt 4 NHI #0 (rev 02)
00:0d.3 USB controller: Intel Corporation Alder Lake-P Thunderbolt 4 NHI #1 (rev 02)
00:14.0 USB controller: Intel Corporation Alder Lake PCH USB 3.2 xHCI Host Controller (rev 01)
00:14.2 RAM memory: Intel Corporation Alder Lake PCH Shared SRAM (rev 01)
00:14.3 Network controller: Intel Corporation Alder Lake-P PCH CNVi WiFi (rev 01)
00:15.0 Serial bus controller: Intel Corporation Alder Lake PCH Serial IO I2C Controller #0 (rev 01)
00:16.0 Communication controller: Intel Corporation Alder Lake PCH HECI Controller (rev 01)
00:1f.0 ISA bridge: Intel Corporation Alder Lake PCH eSPI Controller (rev 01)
00:1f.3 Audio device: Intel Corporation Alder Lake PCH-P High Definition Audio Controller (rev 01)
00:1f.4 SMBus: Intel Corporation Alder Lake PCH-P SMBus Host Controller (rev 01)
00:1f.5 Serial bus controller: Intel Corporation Alder Lake-P PCH SPI Controller (rev 01)
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (16) I219-V (rev 01)
02:00.0 Non-Volatile memory controller: Sandisk Corp Device 5017 (rev 01)
$ lshw -C network
*-network:0 UNCLAIMED
description: Network controller
product: Alder Lake-P PCH CNVi WiFi
vendor: Intel Corporation
physical id: 14.3
bus info: pci@0000:00:14.3
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix cap_list
configuration: latency=0
resources: iomemory:600-5ff memory:603d1cc000-603d1cffff
*-network:1
description: Ethernet interface
product: Ethernet Connection (16) I219-V
vendor: Intel Corporation
physical id: 1f.6
bus info: pci@0000:00:1f.6
logical name: enp0s31f6
version: 01
serial: e8:80:88:81:fe:02
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=5.15.106-1-MANJARO firmware=0.5-4 latency=0 link=no multicast=yes port=twisted pair
resources: irq:142 memory:bc300000-bc31ffff
*-network
description: Ethernet interface
physical id: 2
bus info: usb@2:3.1
logical name: eth0
serial: e0:4f:43:93:de:9e
size: 1Gbit/s
capacity: 1Gbit/s
capabilities: ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8152 driverversion=v1.12.13 duplex=full firmware=rtl8153b-2 v1 10/23/19 ip=10.100.105.131 link=yes multicast=yes port=MII speed=1Gbit/s
So far I tried (re-)installing:
yay iwlwifi-ax101-dkms
Further info:
inxi -N
Network:
Device-1: Intel Alder Lake-P PCH CNVi WiFi driver: N/A modules: iwlwifi
bus-ID: 00:14.3 chip-ID: 8086:51f0 class-ID: 0280
Device-2: Intel Ethernet I219-V vendor: Lenovo driver: e1000e v: kernel
port: N/A bus-ID: 00:1f.6 chip-ID: 8086:1a1f class-ID: 0200
IF: enp0s31f6 state: down mac: <filter>
Device-3: Lenovo ThinkPad Dock Ethernet [Realtek RTL8153B] type: USB
driver: r8152 bus-ID: 2-3.1:5 chip-ID: 17ef:3062 class-ID: 0000
serial: <filter>
IF: eth0 state: up speed: 1000 Mbps duplex: full mac: <filter>