我尝试升级到 12.04 LTS，但升级完成时卡在了 36 分钟。我重启了电脑，却无法启动我之前的 Ubuntu 2.6.32 版本。
它停留在这条消息上：
since the script you are attempting to invoke has been converted to an Upstart job, you may also use the start (8) utility..
我该如何完成失败的 Ubuntu 12.04 LTS 升级？
我尝试升级到 12.04 LTS，但升级完成时卡在了 36 分钟。我重启了电脑，却无法启动我之前的 Ubuntu 2.6.32 版本。
它停留在这条消息上：
since the script you are attempting to invoke has been converted to an Upstart job, you may also use the start (8) utility..