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claude-code - 💡(How to fix) Fix [BUG] SIGILL issues with version 2.1.153

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Error Message

2026-05-28 09:43:37.197 [error] Failed to load config cache: Error: Claude Code process terminated by signal SIGILL 2026-05-28 09:43:37.197 [error] Error processing client request: Error: Claude Code process terminated by signal SIGILL 2026-05-28 09:43:39.771 [warning] direct telemetry post failed: AggregateError 2026-05-28 09:43:39.779 [info] Received message from webview: {"type":"interrupt_claude","channelId":"t7aao210ek"} 2026-05-28 09:43:39.780 [warning] Channel not found: t7aao210ek

Fix Action

Fix / Workaround

i think claude code for vs code 2.1.153 has an issue i get Error: Claude Code process terminated by signal SIGILLView output logs · Troubleshooting resources and had to downgrade to 2.1.145

Code Example

2026-05-28 09:43:37.197 [error] Failed to load config cache: Error: Claude Code process terminated by signal SIGILL
2026-05-28 09:43:37.197 [error] Error processing client request: Error: Claude Code process terminated by signal SIGILL
2026-05-28 09:43:39.771 [warning] direct telemetry post failed: AggregateError
2026-05-28 09:43:39.779 [info] Received message from webview: {"type":"interrupt_claude","channelId":"t7aao210ek"}
2026-05-28 09:43:39.780 [warning] Channel not found: t7aao210ek
RAW_BUFFERClick to expand / collapse

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?

i think claude code for vs code 2.1.153 has an issue i get Error: Claude Code process terminated by signal SIGILLView output logs · Troubleshooting resources and had to downgrade to 2.1.145

What Should Happen?

investigate why version 2.1.153 doesn't recognize my avx2 processor instruction even though the processor is avx2 compartible

Error Messages/Logs

2026-05-28 09:43:37.197 [error] Failed to load config cache: Error: Claude Code process terminated by signal SIGILL
2026-05-28 09:43:37.197 [error] Error processing client request: Error: Claude Code process terminated by signal SIGILL
2026-05-28 09:43:39.771 [warning] direct telemetry post failed: AggregateError
2026-05-28 09:43:39.779 [info] Received message from webview: {"type":"interrupt_claude","channelId":"t7aao210ek"}
2026-05-28 09:43:39.780 [warning] Channel not found: t7aao210ek

Steps to Reproduce

Start VS Code and after initializing error pops up

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

2.1.145

Claude Code Version

version 2.1.153

Platform

Anthropic API

Operating System

Ubuntu/Debian Linux

Terminal/Shell

VS Code integrated terminal

Additional Information

No response

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