On Sat, May 31, 2025 at 07:16:26PM -0400, Theodore Ts'o wrote: > On Sat, May 31, 2025 at 02:26:32PM -0700, Marc MERLIN wrote: > > This is still a problem. Is there more info I can provide? For now it's > > bad enough that I can't have the battery be in S3 sleep for 24H without > > the batteries running out :-/ > > I believe what is going on is that on more modern systems, it relies > on the OS's drivers to power done various peripherals (e.g., graphics, > SSD's, etc.) and this is no longer being done by the low-level > firmware. With Linux the CPU is put to sleep, but there's a lot more > on a modern mainboard than just the CPU.... Hi Ted, nice to hear from you. Yes, I agree that what you wrote totally matches my experience and the reason why the laptop was so warm, even in sleep mode. So, given that this is not a new problem, are there any new options in linux drivers and/or kernel options to have linux do this (shut down each subsystem)? Thanks, Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Home page: http://marc.merlins.org/ | PGP 7F55D5F27AAF9D08
