power management

I recently upgraded from 13.sth to 14.1 and powerd no longer seems to work, and sysctl no longer shows cpu freq_levels. I'm 99% sure everything was working as expected before. In any case, after the upgrade there is a significant difference in CPU usage, temps, and battery life, on the same...

After going back and forth on using my frame.work as a daily driver, I've recently managed to get 8:50 hours of battery life with 80% charge. Since this felt like quite the accomplishment, I wanted to share how I managed to pull this off: after reading on the unfortunate power draw of USB-A...

I have enabled powerd on my desktop. Is there a way to gain insight into what it is doing to save energy? I looked around for its log files but I could not find any. Where can I see powerd's logs?

I use the following call sequence to request MSI-X interrupt resource when loading device driver, and it's working: bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE) pci_msix_count pci_alloc_msix bus_alloc_resource(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE) bus_setup_intr...

Hi, I'm on FreeBSD 13 on a Thinkpad x230 and am trying to optimise the power use when on battery. I followed some of the advice given here, since that was the most recent article on saving power I could find. The wiki article seems rather old, referencing FreeBSD 8 / 9, and as someone new to...

Command used: acpiconf -s 3 The callback function in the driver is invoked as expected. However, free IRQ vector is failing with the following message and ending with a reboot. freebsd-version 12.1-RELEASE $ sysctl hw.acpi.supported_sleep_state hw.acpi.supported_sleep_state: S3 S4 S5 --...