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Description
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.
Plugins
oh-my-opencode, [email protected]
OpenCode version
1.1.6
Steps to reproduce
- Open any TypeScript project
- Run
opencode - Ask the agent "Please test if you can use typescript's lsp"
- Wait for TypeScript LSP to initialize
- Crash occurs
Screenshot and/or share link
https://opncd.ai/share/6isLOi04
Operating System
Windows 11
Terminal
Windows Terminal
Activity
github-actions commentedon Jan 8, 2026
This issue might be a duplicate of existing issues. Please check:
Feel free to ignore if none of these address your specific case.
dhpancor commentedon Jan 15, 2026
Happening to me too! Using opencode v1.1.21 and TypeScript LSP.
github-actions commentedon Mar 26, 2026
To stay organized issues are automatically closed after 90 days of no activity. If the issue is still relevant please open a new one.