[BUG] Indica que Bun 1.3.14 crashea en VMs Hyper-V sin AVX expuesto y que debería usar un fallback con Node.js. Es un bug legítimo que afecta a muchos usuarios en VPS Hyper-V.

Preflight Checklist

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

What's Wrong?

Indica que Bun 1.3.14 crashea en VMs Hyper-V sin AVX expuesto y que debería usar un fallback con Node.js. Es un bug legítimo que afecta a muchos usuarios en VPS Hyper-V.

What Should Happen?

Indica que Bun 1.3.14 crashea en VMs Hyper-V sin AVX expuesto y que debería usar un fallback con Node.js. Es un bug legítimo que afecta a muchos usuarios en VPS Hyper-V.

Error Messages/Logs

Steps to Reproduce

Claude Code process exited with code -1

============================================================
Bun v1.3.14 (521eedd6) Linux x64 (baseline)
Linux Kernel v4.18.0 | glibc v2.28
CPU: sse42 popcnt
Args: "/root/.claude/remote/ccd-cli/2.1.160" "--output-format" "stream-json" "--verbose" "--input-format" "stream-json" "--effort" "low" "--model" "claude-sonnet-4-6" "--permission-prompt-tool" "stdio" "--allowedTools" "mcp__computer-use,mcp_"...
Features: Bun.stderr(2) Bun.stdin(2) Bun.stdout(2) fetch(3) jsc no_avx2 no_avx spawn(3) standalone_executable yaml_parse(19) claude_code
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:readline" "node:stream" "node:stream/consumers" "node:stream/promises" "node:string_decoder" "node:timers/promises" "node:tls" "node:tty" "node:url" "node:util" "node:vm" "node:zl
Elapsed: 483ms | User: 493ms | Sys: 109ms
RSS: 54.46MB | Peak: 0.31GB | Commit: 54.46MB | Faults: 0 | Machine: 5.96GB
CPU lacks AVX support. Please consider upgrading to a newer CPU.
panic(main thread): Illegal instruction at address 0x426800E
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/1.3.14/<blob>/<blob>

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.161

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_