On Sat, Feb 01, 2025 at 03:47:39PM +0100, Darth wrote: > Hello. > > dmesg here: https://clbin.com/ZVk9N > > I have a clean OpenBSD 7.6 install on my ThinkPad T580. 8th gen i5 CPU, 16GB > RAM, NVMe drive. > I did a syspatch after installation. > > When I do a fresh power-on boot I noticed my system is running extremely > slow. Literally everything is running slow, even pressing enter in the text > console. top -S is showing "acpi0" command to be utilizing 85% of the CPU, > but in terms of core usage it appears to be maxing out core zero and not > touch the three other ones. Also the laptop fan is running at high speed and > blowing hot air so the battery life is poor. > > What I noticed is that if I do a reboot (so not a power on boot from cold) > then the problem does not manifest at all. Laptop fan is silent, all cores > are properly idle and the whole system is very responsive. However, if I > then close the lid of the laptop apmd puts the computer to sleep and upon > waking up the acpi0 issue manifests again so I have to reboot again to get > rid of the problem. > > I tried to disabling a lot of things in BIOS but nothing helped. BIOS is up > to date, I flashed it a couple of months ago. > > In dmesg I cannot see a problem, but I have attached it above as a link. > > Please advise how do I proceed with troubleshooting this. >
Search the lists, this has been reported and the fix described dozens of times. -ml