deepseek-ai/deepseek-harness · error · Error

terminal cleanup failed; surviving pids: ${survivors.map(mem

Error message

terminal cleanup failed; surviving pids: ${survivors.map(member => member.pid).join(', ')}

What it means

Error "terminal cleanup failed; surviving pids: ${survivors.map(member => member.pid).join(', ')}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/subprocess/subprocess-local/src/terminal.ts:296

    if (!shellGone() && this.rootIdentity !== undefined) {
      this.inspector.signalProcess(this.rootIdentity, 'SIGKILL')
      await this.waitForWindowsShellExit()
    }
    if (!shellGone()) throw new Error(`terminal cleanup failed; surviving pid: ${this.pid}`)
  }

  private async waitForWindowsShellExit(): Promise<void> {
    const until = Date.now() + this.graceMs
    while (!this.exited && Date.now() < until) {
      if (this.rootIdentity !== undefined && !this.inspector.isAlive(this.rootIdentity)) return
      await delay(Math.min(25, Math.max(1, until - Date.now())))
    }
  }

  private async closeOnce(): Promise<void> {
    let survivors = await this.stopDescendants()
    if (survivors.length > 0) {
      throw new Error(`terminal cleanup failed; surviving pids: ${survivors.map(member => member.pid).join(', ')}`)
    }
    await this.stopShell()
    survivors = await this.stopDescendants()
    if (survivors.length > 0) {
      throw new Error(`terminal cleanup failed; surviving pids: ${survivors.map(member => member.pid).join(', ')}`)
    }
    this.settleExitIfGone()
    this.dataDisposable.dispose()
    this.exitDisposable.dispose()
  }

  private settleExitIfGone(): void {
    // An externally taskkilled Windows shell may never fire node-pty's exit
    // notification (its console-list agent fails without a parent console),
    // which would leave `done` — and every consumer awaiting it — unsettled
    // forever. Teardown has just verified the shell's absence through the
    // inspector, so a missing exit event is itself the outcome.
    if (this.platform !== 'win32') return

View on GitHub (pinned to b150a551b8)

Solutions

1. Kill the listed surviving pids manually and check why they ignored termination.

When it happens

Trigger: Thrown at packages/subprocess/subprocess-local/src/terminal.ts:296 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/a1f238f57a8df5a4. Report an issue: GitHub.