New Linux kernel fixes power-saving issues | Linux Today
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New Linux kernel fixes power-saving issues

Written By
Web Webster
Web Webster
Feb 10, 2012

“Greg Kroah-Hartman has released long-term kernel 3.0.20 and
stable kernel 3.2.5. Both contain just a single bug fix that allows
PCIe power-saving technology ASPM (Active State Power Management)
to be used on systems with a BIOS that activates ASPM on some
components, but states in the FADT (Fixed ACPI Description Table)
consulted by Linux that ASPM is not supported.

According to Matthew Garrett, who developed the patch, the
change can reduce the power consumption of a Thinkpad X220 by 5
watts.


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Web Webster

Web Webster

Web Webster has more than 20 years of writing and editorial experience in the tech sector. He’s written and edited news, demand generation, user-focused, and thought leadership content for business software solutions, consumer tech, and Linux Today, he edits and writes for a portfolio of tech industry news and analysis websites including webopedia.com, and DatabaseJournal.com.

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