Power Saving

What a way to make a gift! I’m pleased to announce the 1.72 release of Laptop Mode Tools. Major changes include the port of the GUI configuration utility to Python 3 and PyQt5. Some tweaks, fixes and enhancements in current modules. Extending {black,white}list of devices to types other than USB. Listing of devices by their devtype attribute. A filtered list of changes is mentioned below. For the full log, please refer to the git repository. [Read More]

It is interesting how a user-space task could lead to hinder a Linux kernel software suspend operation. [11735.155443] PM: suspend entry (deep) [11735.155445] PM: Syncing filesystems ... done. [11735.215091] [drm:wait_panel_status [i915]] *ERROR* PPS state mismatch [11735.215172] [drm:wait_panel_status [i915]] *ERROR* PPS state mismatch [11735.558676] rfkill: input handler enabled [11735.608859] (NULL device *): firmware: direct-loading firmware rtlwifi/rtl8723befw_36.bin [11735.609910] (NULL device *): firmware: direct-loading firmware rtl_bt/rtl8723b_fw.bin [11735.611871] Freezing user space processes ... [11755.615603] Freezing of tasks failed after 20. [Read More]

I am pleased to announce the 1.71 release of Laptop Mode Tools. This release includes some new modules, some bug fixes, and there are some efficiency improvements too. Many thanks to our users; most changes in this release are contributions from our users. A filtered list of changes in mentioned below. For the full log, please refer to the git repository. Source tarball, Feodra/SUSE RPM Packages available at: https://github.com/rickysarraf/laptop-mode-tools/releases Debian packages will be available soon in Unstable. [Read More]

I’m pleased to announce the release of Laptop Mode Tools, version 1.70. This release adds support for AHCI Runtime PM, introduced in Linux 4.6. It also includes many important bug fixes, mostly related to invocation and determination of power states. Changelog: 1.70 - Sat Sep 24 16:51:02 IST 2016 * Deal harder with broken battery states * On machines with 2+ batteries, determine states from all batteries * Limit status message logging frequency. [Read More]

Having moved to a new place, now at times, I also have to deal with power outages. As heat increases, the power outages will be much longer and more frequent. So much, that UPS and Power Inverters run out. Such are ideal times to measure idle power consumption for my laptop. Here’s what my default (and idle) OS looks like. It should be standard to most “typical” users. Some minor odds could be apport, dnsmasq, and maybe, tor. [Read More]