我有一台运行Ubuntu Jaunty的Acer Travelmate 2420。由于过热，它很老了，有时会停止：
Aug 9 22:25:56 Fjords kernel: [10921.525876] ACPI: Critical trip point
Aug 9 22:25:56 Fjords kernel: [10921.525892] Critical temperature reached (85 C), shutting down.
Aug 9 22:25:57 Fjords init: tty4 main process (2123) killed by TERM signal
Aug 9 22:25:57 Fjords init: tty5 main process (2124) killed by TERM signal
Aug 9 22:25:57 Fjords init: tty2 main process (2130) killed by TERM signal
Aug 9 22:25:57 Fjords init: tty3 main process (2132) killed by TERM signal
Aug 9 22:25:57 Fjords init: tty6 main process (2133) killed by TERM signal
Aug 9 22:25:57 Fjords init: tty1 main process (3254) killed by TERM signal
Aug 9 22:26:02 Fjords kernel: [10928.182135] Critical temperature reached (76 C), shutting down.
Aug 9 22:26:31 Fjords console-kit-daemon[2446]: WARNING: Couldn't read /proc/2445/environ: Failed to open file '/proc/2445/environ': No such file or directory
的传感器命令显示我没有告诉我相同的限制，其中成分这些是上限。我运行了传感器检测来检查，但这告诉我机器没有或不支持传感器。
那么，我如何理解以下输出？
$ sudo sensors
acpitz-virtual-0
Adapter: Virtual device
temp1: +59.0°C (crit = +85.0°C)
temp2: +51.0°C (crit = +77.0°C)
在我打开笔记本电脑并在CPU上涂抹导热膏之前，我想知道这实际上会有所帮助。