deepseek-ai/deepseek-harness · error · Error

subprocess-e2b: E2B returned invalid terminal pid ${handle.p

Error message

subprocess-e2b: E2B returned invalid terminal pid ${handle.pid}

What it means

Error "subprocess-e2b: E2B returned invalid terminal pid ${handle.pid}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/e2b/subprocess-e2b/src/terminal.ts:512

      { path: paths.outputMarker, data: outputMarker.toString('utf8') },
    ], signalOpts(spec.signal))
    await sandbox.commands.run(
      `chmod 600 -- ${quoteE2BShellArg(paths.runner)} ${quoteE2BShellArg(paths.environment)} ${quoteE2BShellArg(paths.argv)} ${quoteE2BShellArg(paths.outputMarker)}`,
      commandOpts(controlEnvs, spec.signal),
    )
    handle = await sandbox.pty.create({
      rows: spec.rows,
      cols: spec.cols,
      cwd: spec.cwd,
      envs: e2bControlEnvs(controlEnvs),
      timeoutMs: 0,
      onData: (data) => { outputFilter.push(data) },
    })
    completion = handle.wait()
    void completion.catch(() => {})
    spec.signal?.throwIfAborted()
    if (!Number.isSafeInteger(handle.pid) || handle.pid <= 0) {
      throw new Error(`subprocess-e2b: E2B returned invalid terminal pid ${handle.pid}`)
    }
    const command = `exec /bin/bash ${quoteE2BShellArg(paths.runner)} ${quoteE2BShellArg(stateDir)}\r`
    await sandbox.pty.sendInput(handle.pid, Buffer.from(command), signalOpts(spec.signal))
    await waitForBootstrapOutput(outputFilter.ready, completion, spec.signal)
    const sessionId = await terminalSessionId(sandbox, handle.pid, controlEnvs, spec.signal)
    return new E2BTerminalHandle(
      sandbox,
      handle,
      output,
      completion,
      sessionId,
      controlEnvs,
      stateDir,
      spec.graceMs,
      pollMs,
    )
  } catch (error: unknown) {
    output.destroy()

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/e2b/subprocess-e2b/src/terminal.ts:512 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/5dddda5cc251a8da. Report an issue: GitHub.