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Linux ASPM 问题一个适合的解决方案

“终于,看来对Linux内核中的ASPM(Active State Power Management,活动状态电源管理)问题,亦即闻名遐迩的Linux 2.6.38内核中的可导致笔记本电脑电力急剧下降的电力退化的问题,一个合适的解决方案出来了。这一次不是一种变通方法,而是内核中的行为发生了改变,能更好地决定何时应该关闭 PCI Express ASPM 支持。

英文原文:

 A Proper Solution to the Linux ASPM Problem
posted by Mike on Fri 11th Nov 2011 18:40 UTC

"at long last, it looks like there is an adequate solution to the Active State Power Management (ASPM) problem in the Linux kernel , a.k.a. the well-known and wide-spread power regression in the Linux 2.6.38 kernel, which has been causing many laptops to go through significantly more power than they should. This is not another workaround, but rather a behavioral change in the kernel to better decide when the PCI Express ASPM support should be toggled."

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