Hello. I just want to ask, I already tried search many resources, but I still can’t find a way to reduce battery drain while sleep on Ubuntu on Dell laptop....
Check with powertop that runtime power manage is enabled for devices (tunables are “Good”).
It looks like it has a RTL8111H for Ethernet, which is known to be problematic with sleep. My machines don’t go below C3 due runtime power management being disabled for Ethernet, but enabling it causes it to fail to come out of suspend correctly.
coreboot isn’t a UEFI implementation. It is comparable to the UEFI SEC+PEI phases. It then hands off control to a payload. If you want UEFI, that’s going to still be edk2.
All UEFI system firmware uses edk2. It’s not just the reference implementation; Pragmatically, it’s the only implementation. Independent BIOS vendors (IBVs) like AMI, Phoenix, and Insyde have built all their tooling for and around edk2. Companies like System76 and Purism use it as a UEFI payload for their coreboot based firmware.
How to disable S0ix and enable S3 Sleep on Ubuntu 22.04 on Dell Latitude 3410
Hello. I just want to ask, I already tried search many resources, but I still can’t find a way to reduce battery drain while sleep on Ubuntu on Dell laptop....
ELI5 what is the difference between UEFI handles passed to grub by a proprietary bootloader versus coreboot?
What are the broader implications when it comes to access, security, vulnerabilities, etc?