anomalyco / anomalyco/opencode
Opencode crashes with illegal instruction
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@Hona is already working on this.
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
Operating System
Windows 11
Terminal
Windows Powershell
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