Networking stopped working on my ThinkPad T510

[YamiYukiSenpai]

Version 5.17.0-3.2-liquorix-amd64/jammy caused my networking on my ThinkPad T510 to stop working. Both WiFi and ethernet.

Had to revert to 5.17.0-1.2-liquorix-amd64 to make it work again.

Thought it was a DKMS issue, but no output was generated, which I think it means that the module is installed.

My WiFi module is a TP-Link T3U Plus AC1300 which uses this RTL88x2BU driver.

$ lsusb
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 005: ID 2357:0138 TP-Link 802.11ac NIC
Bus 001 Device 004: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 003: ID 17ef:100a Lenovo ThinkPad Mini Dock Plus Series 3
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

$ lspci
00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network Connection (rev 06)
00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 06)
00:1c.3 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 4 (rev 06)
00:1c.4 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 5 (rev 06)
00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6)
00:1f.0 ISA bridge: Intel Corporation QM57 Chipset LPC Interface Controller (rev 06)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller (rev 06)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 06)
00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 06)
0d:00.0 SD Host controller: Ricoh Co Ltd MMC/SD Host Controller (rev 01)
0d:00.1 System peripheral: Ricoh Co Ltd R5U2xx (R5U230 / R5U231 / R5U241) [Memory Stick Host Controller] (rev 01)
0d:00.3 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 PCIe IEEE 1394 Controller (rev 01)
ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02)
ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02)
ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
ff:02.1 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor QPI Physical 0 (rev 02)
ff:02.2 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor Reserved (rev 02)
ff:02.3 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor Reserved (rev 02)

[damentz]

A new update should be out for Ubuntu in the next 1-2 hours that could possibly fix the issue you're affected by. Due to a configuration name change, some realtek hardware was disabled by default as part of building. That's now resolved in the latest kernel release (5.17.0-5.2, 5.17-10).

Besides that though, it's also highly likely a stable update broke the out-of-tree driver you linked. The author on that repo appears to be responsive, so I recommend submitting an issue there if the latest kernel update doesn't help.

[YamiYukiSenpai]

I got my Realtek WiFi adapter working.

My ethernet (while I don't use it often), strangely, stopped working.

[damentz]

Was that at the result of upgrading or you got the wifi working separately? Same goes for ethernet.

[damentz]

Is this issue still present on the kernel 5.18 releases?

[damentz]

Closing issue, original issue is resolved.