Starting WSL Ubuntu20.04 from Windows Terminal will cause high CPU usage of init process #17199

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opened 2026-01-31 05:35:13 +00:00 by claunia · 0 comments
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Originally created by @moyrne on GitHub (Apr 9, 2022).

Windows Terminal version

1.11.3471.0

Windows build number

21H2 19044.1586

Other Software

Starting WSL Ubuntu20.04 from Windows Terminal will cause high CPU usage of init process. Starting from WSL with the command wsl -d Ubuntu-20.04 will not have this problem

WSL1
Ubuntu-20.04

$ unmae -a
Linux DESKTOP-Q3G0PTO 4.4.0-19041-Microsoft #1237-Microsoft Sat Sep 11 14:32:00 PST 2021 x86_64 x86_64 x86_64 GNU/Linux

Steps to reproduce

  • config: command line: wsl.exe -d Ubuntu-20.04

  • Start Windows Terminal and open Ubuntu-20.04

Expected Behavior

The CPU usage of the init process is less than 10%

Actual Behavior

The init process continues to occupy 100%

Originally created by @moyrne on GitHub (Apr 9, 2022). ### Windows Terminal version 1.11.3471.0 ### Windows build number 21H2 19044.1586 ### Other Software Starting WSL Ubuntu20.04 from Windows Terminal will cause high CPU usage of init process. Starting from WSL with the command `wsl -d Ubuntu-20.04` will not have this problem WSL1 Ubuntu-20.04 $ unmae -a Linux DESKTOP-Q3G0PTO 4.4.0-19041-Microsoft #1237-Microsoft Sat Sep 11 14:32:00 PST 2021 x86_64 x86_64 x86_64 GNU/Linux ### Steps to reproduce - config: command line: `wsl.exe -d Ubuntu-20.04` - Start Windows Terminal and open Ubuntu-20.04 ### Expected Behavior The CPU usage of the init process is less than 10% ### Actual Behavior The init process continues to occupy 100%
claunia added the Issue-BugResolution-Duplicate labels 2026-01-31 05:35:13 +00:00
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Reference: starred/terminal#17199