WSL2 and Custom Linux/x86 Kernel >= v6.3-rc4

wsl2- Linux-6.3.md

WSL2 and Custom Linux/x86 Kernel v6.3-rc4

Follow the Custom Linux/x86 Kernel Configuration for compile the Linux kernel source >= v6.3-rc4 getting this errors:

wsl -d Ubuntu Output:

Catastrophic failure
Error code: Wsl/Service/CreateInstance/CreateVm/ConfigureNetworking/E_UNEXPECTED
Catastrophic failure
Error code: Wsl/Service/CreateInstance/CreateVm/ConfigureNetworking/E_UNEXPECTED
Catastrophic failure
Error code: Wsl/Service/CreateInstance/CreateVm/ConfigureNetworking/E_UNEXPECTED
Press any key to continue...

Event Viewer

Source: Hyper-V-VmSwitch

- RSC offload modified for Port 377E95BE-D04D-452F-8160-1858A3ABC40F (Friendly Name: 377E95BE-D04D-452F-8160-1858A3ABC40F) 
Previous: Disabled, Current: Enabled. Reason: Port create

- Port 377E95BE-D04D-452F-8160-1858A3ABC40F (Friendly Name: 377E95BE-D04D-452F-8160-1858A3ABC40F) 
successfully created on switch B95D0C5E-57D4-412B-B571-18A81A16E005 (Friendly Name: WSL).

- RSC offload modified for NIC F48E5B80-A04B-4792-BFF0-E5D3AB03F86A--377E95BE-D04D-452F-8160-1858A3ABC40F (Friendly Name: ) 
Previous IPv4: Disabled, Current IPv4: Disabled, Previous IPv6: Disabled, Current IPv6: Disabled. Reason: NIC create

- The operation 'Create' succeeded on nic F48E5B80-A04B-4792-BFF0-E5D3AB03F86A--377E95BE-D04D-452F-8160-1858A3ABC40F (Friendly Name: ), 
Instance Id {00000000-0000-0000-0000-000000000000}.

- NIC F48E5B80-A04B-4792-BFF0-E5D3AB03F86A--377E95BE-D04D-452F-8160-1858A3ABC40F (Friendly Name: ) 
successfully connected to port 377E95BE-D04D-452F-8160-1858A3ABC40F (Friendly Name: 377E95BE-D04D-452F-8160-1858A3ABC40F) 
on switch B95D0C5E-57D4-412B-B571-18A81A16E005(Friendly Name: WSL).

- Networking driver in F48E5B80-A04B-4792-BFF0-E5D3AB03F86A is loaded and the protocol version is negotiated to the most 
recent version (Virtual machine ID F48E5B80-A04B-4792-BFF0-E5D3AB03F86A).

- NIC F48E5B80-A04B-4792-BFF0-E5D3AB03F86A--377E95BE-D04D-452F-8160-1858A3ABC40F successfully disconnected from port .

RSC offload modified for NIC F48E5B80-A04B-4792-BFF0-E5D3AB03F86A--377E95BE-D04D-452F-8160-1858A3ABC40F (Friendly Name: ) 
Previous IPv4: Disabled, Current IPv4: Enabled, Previous IPv6: Disabled, Current IPv6: Enabled. Reason: RSC OID

- NIC F48E5B80-A04B-4792-BFF0-E5D3AB03F86A--377E95BE-D04D-452F-8160-1858A3ABC40F successfully disconnected from port .

- The operation 'Delete' succeeded on nic F48E5B80-A04B-4792-BFF0-E5D3AB03F86A--377E95BE-D04D-452F-8160-1858A3ABC40F (Friendly Name: ), 
Instance Id {00000000-0000-0000-0000-000000000000}.

- Port 377E95BE-D04D-452F-8160-1858A3ABC40F (Friendly Name: 377E95BE-D04D-452F-8160-1858A3ABC40F) 
successfully deleted - switch B95D0C5E-57D4-412B-B571-18A81A16E005 (Friendly Name: WSL).

...

Fixed applying/reverting the patch to kernel/dma/swiotlb.c

• Thorsten Leemhuis (1/4) on fosstodon.org
• Re: [PATCH v1 2/2] swiotlb: Fix slot alignment checks

➜ cd linux/sources/
➜ curl -LJO https://github.com/torvalds/linux/commit/0eee5ae1025699ea93d44fdb6ef2365505082103.patch
➜ git apply -R 0eee5ae1025699ea93d44fdb6ef2365505082103.patch

➜ uname -a
Linux Laptop 6.3.0-rc5-oleksis-microsoft-standard-WSL2+ #1 SMP Wed Apr  5 22:03:41 EDT 2023 x86_64 x86_64 x86_64 GNU/Linux

WSL2 version

➜ wsl --version
Versión de WSL: 1.1.6.0
Versión de kernel: 5.15.90.1
Versión de WSLg: 1.0.50
Versión de MSRDC: 1.2.3770
Versión de Direct3D: 1.608.2-61064218
Versión DXCore: 10.0.25131.1002-220531-1700.rs-onecore-base2-hyp
Versión de Windows: 10.0.25330.1000

Links

• Collect WSL logs (recommended method)
• Starting WSL or installing a distribution returns an error code