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claude-code - 💡(How to fix) Fix [BUG] panic(main thread): Illegal instruction at address

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Error Message

Error Messages/Logs

Code Example

To send a redacted crash report to Bun's team,
please file a GitHub issue using the link below:

 https://bun.report/1.3.11/e_187b3dffmgggEuhogD0nlwmDou2v2DqqhowDgy21mDij31mD+r++0C6n425Bot325B8x725B+pw25B6r15hCg/xliCunt5hCgi819Bsx619B4vmy9Bg6/0tD___A3s//Bt46r43D
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Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

Bun v1.3.11 (87b3dff3) Windows x64 (baseline) Windows v.win11_dt CPU: sse42 avx avx2 Args: "C:\Users****.local\bin\claude.exe" "--dangerously-skip-permissions" Features: Bun.stderr(2) Bun.stdin(2) Bun.stdout(2) abort_signal(20) fetch(590) http_client_proxy(425) jsc spawn(361) standalone_executable yaml_parse(2) Builtins: "bun:main" "node:assert" "node:async_hooks" "node:buffer" "node:child_process" "node:constants" "node:crypto" "node:dns" "node:events" "node:fs" "node:fs/promises" "node:http" "node:https" "node:module" "node:net" "node:os" "node:path" "node:path/posix" "node:path/win32" "node:perf_hooks" "node:process" "node:stream" "node:stream/consumers" "node:timers/promises" "node:tls" "node:tty" "node:url" "node:util" "node:zlib" "undici" "ws" "node:http2" Elapsed: 14174917ms | User: 925843ms | Sys: 78218ms RSS: 2.65GB | Peak: 2.65GB | Commit: 4.29GB | Faults: 5578745 | Machine: 68.56GB

panic(main thread): Illegal instruction at address 0x7FF6883D0A7A oh no: Bun has crashed. This indicates a bug in Bun, not your code.

To send a redacted crash report to Bun's team, please file a GitHub issue using the link below:

https://bun.report/1.3.11/e_187b3dffmgggEuhogD0nlwmDou2v2DqqhowDgy21mDij31mD+r++0C6n425Bot325B8x725B+pw25B6r15hCg/xliCunt5hCgi819Bsx619B4vmy9Bg6/0tD___A3s//Bt46r43D

What Should Happen?

should not crash

Error Messages/Logs

To send a redacted crash report to Bun's team,
please file a GitHub issue using the link below:

 https://bun.report/1.3.11/e_187b3dffmgggEuhogD0nlwmDou2v2DqqhowDgy21mDij31mD+r++0C6n425Bot325B8x725B+pw25B6r15hCg/xliCunt5hCgi819Bsx619B4vmy9Bg6/0tD___A3s//Bt46r43D

Steps to Reproduce

just crash anytime

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

v2.1.98

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

No response

extent analysis

TL;DR

The issue is likely related to a bug in Bun, and the user should file a GitHub issue with a redacted crash report to help the Bun team investigate and fix the problem.

Guidance

  • The error message "panic(main thread): Illegal instruction at address 0x7FF6883D0A7A" suggests a low-level issue, possibly related to the Bun runtime or a dependency.
  • The provided link https://bun.report/1.3.11/e_187b3dffmgggEuhogD0nlwmDou2v2DqqhowDgy21mDij31mD+r++0C6n425Bot325B8x725B+pw25B6r15hCg/xliCunt5hCgi819Bsx619B4vmy9Bg6/0tD___A3s//Bt46r43D can be used to file a GitHub issue with a redacted crash report.
  • The fact that the issue occurs with the latest version of Claude Code (v2.1.98) and Bun (v1.3.11) suggests that it may be a newly introduced bug.
  • The user should provide more information about their environment and the steps to reproduce the issue to help the Bun team investigate the problem.

Notes

The issue seems to be related to a bug in Bun, and the user should rely on the Bun team to investigate and fix the problem. The provided information is limited, and more details about the environment and the steps to reproduce the issue would be helpful.

Recommendation

Apply workaround: File a GitHub issue with a redacted crash report using the provided link to help the Bun team investigate and fix the problem. This will allow the Bun team to gather more information and work on a fix.

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claude-code - 💡(How to fix) Fix [BUG] panic(main thread): Illegal instruction at address