TypeScript LSP crashes with Bun segmentation fault on Windows 11

[rucnyz]

Description

OpenCode crashes immediately when TypeScript LSP is activated. This happens consistently in any TypeScript project when using web or TUI mode.

Environment

• OpenCode version: 1.1.6
• Bun version: 1.3.5
• OS: Windows 11 x64
• CPU features: SSE4.2, AVX, AVX2, AVX512

Error Log

[Request interrupted by user]
Bun v1.3.5 (1e86cebd) Windows x64 (baseline)
Windows v.win11_dt
CPU: sse42 avx avx2 avx512
Args: "C:\Usersuser>bun\install\global\node_modules\opencode-windows-x64\bin\opencode.exe" "--user-agent=opencode/1.1.6" "--use-system-ca " "--" "web"
Features: Bun.stderr(3) Bun.stdin(2) Bun.stdout(2) abort_signal(3) fetch(40) http_server jsc shell(26) spawn(25) standalone_executable transpiler_cache(4) tsconfig napi_module_register process_dlopen
Builtins: "bun:ffi" "bun:main" "node:assert" "node:async_hooks" "node:buffer" "node:child_process" "node:console" "node:constants" "node:crypto" "node:events" "node:fs" "node:fs/promises" "node:http" "node:https" "node:module" "node:net" "node:os" "node:path" "node:process" "node:querystring" "node:readline" "node:readline/promises" "node:stream" "node:string_decoder" "node:timers" "node:timers/promises" "node:tls" "node:tty" "node:url" "node:util" "undici" "node-fetch" "node:v8" "node:dgram"
Elapsed: 40438ms | User: 1187ms | Sys: 500ms
RSS: 0.51GB | Peak: 0.54GB | Commit: 0.66GB | Faults: 174082 | Machine: 66.20GB

panic(main thread): Segmentation fault at address 0x3979E6E0180
oh no: Bun has crashed. This indicates a bug in Bun, not your code.

Bun crash report link: https://bun.report/1.3.5/ea11e86cebmjGz+339/D_+wlwekhlwe4/i3nBgjr4uBwov6uBk13pvB2/0pvB860ovBi1ipvBy+zovB67mzvB2wyiwBko1pvBy53nvBuwzznB+lryU48j7Qsi/yMiv8mHA2u5Bho/nyhD

Plugins

oh-my-opencode, opencode-antigravity-auth@1.2.8

OpenCode version

1.1.6

Steps to reproduce

1. Open any TypeScript project
2. Run opencode
3. Ask the agent "Please test if you can use typescript's lsp"
4. Wait for TypeScript LSP to initialize
5. Crash occurs

Screenshot and/or share link

https://opncd.ai/share/6isLOi04

Operating System

Windows 11

Terminal

Windows Terminal

[github-actions]

This issue might be a duplicate of existing issues. Please check:

• auto update causes: Bun segmentation fault (Windows) #3267: Bun segmentation fault on Windows with auto-update - reports similar Bun crashes on Windows 11
• Bun crashes when OC subagent tries to invoke subagent #6694: Bun crashes when OpenCode subagent tries to invoke subagent - similar Bun exception behavior on Windows
• jdtls lsp server does not work properly in a window environment. #7270: jdtls lsp server does not work properly in Windows environment - another LSP initialization issue on Windows

Feel free to ignore if none of these address your specific case.