deepseek-ai/deepseek-harness · error · AggregateError

subprocess-e2b: terminal setup rollback did not reach quiesc

Error message

subprocess-e2b: terminal setup rollback did not reach quiescence

What it means

Error "subprocess-e2b: terminal setup rollback did not reach quiescence" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/e2b/subprocess-e2b/src/terminal.ts:265

  if (sessionId !== undefined) {
    try {
      const groups = await awaitSessionEmpty(sandbox, sessionId, envs, graceMs, pollMs, true)
      if (groups.length > 0) {
        proofFailures.push(new Error(
          `subprocess-e2b: terminal setup rollback failed; surviving process groups: ${groups.join(', ')}`,
        ))
      }
    } catch (error: unknown) {
      proofFailures.push(asError(error))
    }
  }
  // The bounded completion race above updates this callback-owned state.
  // oxlint-disable-next-line typescript/no-unnecessary-condition -- The callback mutates this after a race.
  if (!topLevelExited) {
    proofFailures.push(new Error(`subprocess-e2b: terminal setup rollback failed; surviving pid: ${handle.pid}`))
  }
  if (proofFailures.length > 0) {
    throw new AggregateError(
      [...attemptFailures, ...proofFailures],
      'subprocess-e2b: terminal setup rollback did not reach quiescence',
    )
  }
  try {
    await handle.disconnect()
  } catch (error: unknown) {
    if (!(error instanceof SandboxNotFoundError)) throw error
  }
}

/** One E2B PTY and all process groups in its remote process session. */
export class E2BTerminalHandle implements SubprocessTerminalHandle {
  readonly pid: number
  readonly done: Promise<SubprocessOutcome>

  private topLevelExited = false
  private cleanup: Promise<void> | undefined

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/e2b/subprocess-e2b/src/terminal.ts:265 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/c25747b245b8755a. Report an issue: GitHub.