anomalyco / anomalyco/opencode

Opencode crashes with illegal instruction

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#45,869 1 comment 0 reactions 1 assignee View on GitHub

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Since Aug 28, 2026.

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TypeScript
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Description

Description

I launched 2 sessions in the background, and when I tried to start another one new, then Opencode crashes
Error: Illegal instruction at address 0x7FF752D3BF14
Full console:

PS C:\Users\Lamio>


                   opencode
============================================================
Bun v1.3.14 (0d9b296a) Windows x64 (baseline)
Windows v.win11_dt
CPU: sse42 avx avx2
Args: "C:\Users\Lamio\AppData\Roaming\npm\node_modules\opencode-ai\bin\opencode.exe" "--user-agent=opencode/1.18.25" "--use-system-ca" "--"
Features: jsc standalone_executable
Elapsed: 2036ms | User: 0ms | Sys: 31ms
RSS: 72.90MB | Peak: 72.90MB | Commit: 115.58MB | Faults: 18008

panic(main thread): __Illegal instruction at address 0x7FF752D3BF14__
oh no: Bun has crashed. This indicates a bug in Bun, not your code.
Plugins

No plugins were installed

OpenCode version

1.18.25

Steps to reproduce

1.start multiple sessions in the background
2.start new session
Then you can't start a new session

Screenshot and/or share link
Image
Operating System

Windows 11

Terminal

Windows Powershell

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