[Error] unhandlederror-Native addon "runtime" not found for linuxmusl-x64. Tried: <REDACTED: user-file-pat...

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#321,635 opened on Jun 16, 2026 1 comment 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 25/100

Issue type: Bug
Clarity: Needs clarification
Activity status: Quiet
Tech stack: node.js, typescript
Domain: devtools

Research direction

Start with the @github/copilot/sdk/index.js native-addon loading path at the reported commit 6928394f and inspect how linuxmusl-x64 candidates are resolved. Reproduce the error with VS Code 1.124.2 on the affected platform; done means the runtime addon is found or the failure is reported with a verified resolution.

Written by the indexing model from the issue text.

Description

ai-analyzed ai-generated bug error-telemetry recent-regression stable-anomaly

Error Message

unhandlederror-Native addon "runtime" not found for linuxmusl-x64. Tried:   <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/prebuilds/linuxmusl-x64/runtime.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/prebuilds/linuxmusl-x64/runtime.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js   <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/runtime.linux-x64-musl.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/runtime.linux-x64-musl.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js   <REDACTED: user-file-path>/node_modules/@github/copilot/prebuilds/linuxmusl-x64/runtime.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/copilot/prebuilds/linuxmusl-x64/runtime.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js   <REDACTED: user-file-path>/node_modules/@github/copilot/runtime.linux-x64-musl.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/copilot/runtime.linux-x64-musl.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js   <REDACTED: user-file-path>/node_modules/@github/runtime/prebuilds/linuxmusl-x64/runtime.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/runtime/prebuilds/linuxmusl-x64/runtime.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js   <REDACTED: user-file-path>/node_modules/@github/runtime/runtime.linux-x64-musl.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/runtime/runtime.linux-x64-musl.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js

Stack Trace

⚠️ Stack not deminified — no frames could be mapped to original source. The frames below are minified; line/column numbers refer to the bundled JavaScript, not the original TypeScript source. To deminify, either re-run the create_issue MCP tool with the VS Code build commit hash (and, for extension errors, the extension id + version), or call the standalone deminify_stack MCP tool.

Error: Native addon "runtime" not found for linuxmusl-x64. Tried:   <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/prebuilds/linuxmusl-x64/runtime.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/prebuilds/linuxmusl-x64/runtime.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js   <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/runtime.linux-x64-musl.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/runtime.linux-x64-musl.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js   <REDACTED: user-file-path>/node_modules/@github/copilot/prebuilds/linuxmusl-x64/runtime.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/copilot/prebuilds/linuxmusl-x64/runtime.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js   <REDACTED: user-file-path>/node_modules/@github/copilot/runtime.linux-x64-musl.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/copilot/runtime.linux-x64-musl.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js   <REDACTED: user-file-path>/node_modules/@github/runtime/prebuilds/linuxmusl-x64/runtime.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/runtime/prebuilds/linuxmusl-x64/runtime.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js   <REDACTED: user-file-path>/node_modules/@github/runtime/runtime.linux-x64-musl.node: Cannot find module '<REDACTED: user-file-path>/node_modules/@github/runtime/runtime.linux-x64-musl.node' Require stack: - <REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js 	at tTe (<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js:61:10) 	at Jqt (<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js:62:580) 	at j4 (<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js:62:770) 	at Object.get (<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js:62:856) 	at t_e (<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js:248:5746) 	at t7e.resolveFlags (<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js:248:15534) 	at t7e.createExpAssignmentState (<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js:248:13179) 	at new r_e (<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js:248:12567) 	at new t7e (<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js:248:15775) 	at Bzs (<REDACTED: user-file-path>/node_modules/@github/copilot/sdk/index.js:248:10762) 	at bi.executor (<REDACTED: user-file-path>:2592:14793) 	at process.processTicksAndRejections (node:<REDACTED: user-file-path>:104:5) 	at async xW._getAllSessions (<REDACTED: user-file-path>:2592:19301) 	at async Xle.provideChatSessionItems (<REDACTED: user-file-path>:2886:2369) 	at async Object.refreshHandler (<REDACTED: user-file-path>:562:35318) 	at async Th.$refreshChatSessionItems (<REDACTED: user-file-path>:562:47366)

Details

Property	Value
Bucket ID	`edaff933-169c-a77c-a9f7-0f08bdc7cd4d`
Version	1.124.2
Commit	`6928394f`
Last Seen	Mon Jun 15 2026 23:57:59 GMT+0000 (Coordinated Universal Time)
Platforms	Mac, Windows, Linux, Web
Product	VSCode

This issue was automatically created from the VS Code Errors Dashboard

Dominant language: TypeScript
Stars: 193k
Forks: 42.9k
PR merge metrics: PR metrics pending

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