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Nobuto Murata
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Posting something, sometimes.
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How to prevent TrackPoint or touchpad events from waking up ThinkPad T14 Gen 5 AMD from suspend
TL;DR Try the following lines in your custom udev rules, e.g. /etc/udev/rules.d/99-local-disable-wakeup-events.rules KERNEL=="i2c-ELAN0676:00", SUBSYSTEM=="i2c", DRIVERS=="i2c_hid_acpi", ATTR{power/wakeup}="disabled" KERNEL=="PNP0C0E:00", SUBSYSTEM=="acpi", DRIVERS=="button", ATTRS{path}=="\_SB_.SLPB", ATTR{power/wakeup}="disabled" Table of Contents TL;DR The motivation Disabling touchpad as a wakeup source on T14 Gen 5 AMD Disabling TrackPoint as a wakeup source on T14 Gen 5 AMD In the case of ThinkPad T14 Gen 3 AMD References The motivation Whenever something touches the red cap, the system wakes up from suspend/s2idle.
Jan 9, 2025
Ubuntu
No, you can't downgrade T14 Gen 3 AMD's UEFI BIOS even when Secure Rollback Prevention is turned off
The “Secure Rollback Prevention” entry in the UEFI BIOS configuration The bottom line is that there is a new configuration called “AMD Secure Processor Rollback protection” on recent AMD systems in addition to “Secure Rollback Prevention” (BIOS rollback protection).
May 3, 2024
Ubuntu Server autoinstall with a physical machine
There is a great set of articles in the Ubuntu Server guide about how to achieve an unattended installation of Ubuntu Server: Automated Server installation Automated Server install quickstart Automated Server installer config file reference And I followed those to test my minimal autoinstall file as follows.
Jul 2, 2023
Ubuntu
How I spent year-end holidays
I intentionally spent the holidays by keeping myself busy with some technical stuff because I knew I would regret it if nothing had been done since there was no trip planned during the period.
Jan 6, 2021
Miscellaneous
Shortcut key to mute/unmute yourself in Zoom, Google Meet, or Teams
A custom and global shortcut key to mute / unmute yourself in Zoom or Google Meet Just like everyone else, 2020 was the year of having more and more video-conference calls.
Dec 31, 2020 · Last updated on May 1, 2023
Ubuntu
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