Questions tagged [acpi]

Advanced Configuration and Power Interface, a standard for power management in operating systems.

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ACPI BIOS Error (bug): Could not resolve symbol [\SB.UBTC.RUCC]

I've just bought myself a fresh new mini pc with a pre-installed Windows 11 Pro. After setting up Windows 11 with the first boot just to check if everything is fine, I tried to install Ubuntu 22.04.4 ...
Márió Kaszap's user avatar
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ACPI BIOS Error at start : AE_AML_BUFFER_LIMIT

Since few hours, my HP Elitebook won't start and block at BIOS error. I run with Linux Mint 20. After read some threads, I upgrade the BIOS, but the bug is always here. Here is the return display : [0....
jsterradillos's user avatar
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WOL events during Linux runtime

I want to be able to react to Wake-On-Lan packets sent to my machine while it is already booted. I am able to turn my machine on using WOL, so the general system seems to work. My question now is: Is ...
Daniel D.'s user avatar
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Dell XPS Audio Dropouts - ACPI.sys Latency

As documented across the internet, many users of Dell XPS laptops encounter a problem of high DPC latency, which manifests as clicks & popping sounds when audio is played on the system. For these ...
eliader's user avatar
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Set RTC Alarm from Windows 10

Linux has a nice utility rtcwake that sets RTC alarm. My PC can boot up from shutdown state using it so there's no problem there. But is there any way to make it possible on Windows? I found a similar ...
Liphi's user avatar
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Can't install and use acpi_call on Fedora 37

Fedora 37 Workstation 6.0.7-301.fc37.x86_64 I downloaded acpi_call from here, and rpm -qa | grep acpi_call returns acpi_call-1.1.0-1.noarch, so it's installed. And rpm -ql acpi_call returns list of ...
metramarta's user avatar
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2 answers
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How do get into the BIOS (InsydeH2O rev 5.0) of my HP laptop to make it ACPI compliant?

My laptop (HP Laptop 15-bw0xx) setup utility (BIOS) is InsydeH2O rev 5.0 for an HP laptop. I am trying to get the BIOS to be fully ACPI compliant as I only get a blue screen I got during setup: *** ...
Humancoder1123's user avatar
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Kali-linux rebooting Itself within 10 seconds of boot

I installed kali linux on my computer, but it reboots itself about 10 seconds after turning it on whether I login or not , no matter how much I searched for a solution from the Internet, I couldn't ...
apeiron's user avatar
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Linux sees only a single cpu core out of 6 available cores

My linux system does not boot if I don't append acpi=off to the kernel params. I think the reason that the os does not see all of the CPU cores is this param. But I can not remove it; because it won't ...
itismoej's user avatar
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ACPI : how risky is that to try methods

I don't know a lot about hardware. I've got a Yoga Slim 7 and the Performance settings can't be set for know from Linux. I've disassembled the DSDT tables to look at even if I don't understand ...
Arnaud Feldmann's user avatar
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Cannot install Windows 10 on a very old laptop: CRITICAL_PROCESS_DIED

I have a very old laptop (based on Intel Core 2 Duo T5450) which came with Windows Vista which works on it just fine. It has 3 GB of RAM, plenty of free space and otherwise 100% functional. I'm unable ...
Artem S. Tashkinov's user avatar
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How can I get my CPU to run at maximum speed by circumventing CPU scaling?

I am running CentOS 7 (7.9.2009) (kernel 3.10.0-1160.49.1.el7.x86_64) on a rather old laptop (Lenove T61) with a dual core CPU (Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz). The driver for CPU scaling ...
Mitch's user avatar
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Laptop always turns itself on again

Since yesterday my Laptop won't turn off anymore. When I shut it down, it takes a few seconds and then it turns itself on again. Doesn't matter if I let it boot and shutdown again, or turn it of in ...
André Stannek's user avatar
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1 answer
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How do I wire a momentary pull chain switch to a PC?

I'm wiring a momentary pull switch to the PC. I set the Windows 10 power button action to shutdown, so pulling the chain will turn on the pc if it's off, and if it's on, pulling the chain will send a ...
s3246's user avatar
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Why wont Windows 10 Pro shut down with the ACPI power button when screen is locked locally?

We have Windows 10 running under KVM but it won't shut down when it gets an ACPI power button request triggered by virsh shutdown win10 after a user locks the console---however, it will under the ...
KJ7LNW's user avatar
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PC wakes from hibernate by keyboard and mouse

My new PC wakes from hibernate by pressing any key on keyboard (PS/2) or mouse (USB); just like sleep mode (with the difference that power LED doesn't blink). If I uncheck "Allow this device to ...
AmirSina Mashayekh's user avatar
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1 answer
384 views

Running awesome-client (which uses dbus) from acpid

I set up a acpid rule to execute the following command, whenever I receive a specific acpi message: awesome-client "activate_tabletmode()" Where activate_tabletmode() is just some function ...
dj_rydu's user avatar
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On Windows, how shall I call arbitrary ACPI methods?

On Linux, the module acpi_call enables this, however I don't see such a thing on Windows. Is it possible through WMI ? Or do I really need to write some kernel mode code ? Note that I'm speaking of ...
NovHak's user avatar
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How is key press event processed in the system in depth (brightness keys not working on lenovo laptop)?

Context first: I am on Ideapad 330-17ICH and some Fn keys simply don't work - microphone toggle, touchpad toggle, airplane mode, camera toggle and brightness up/down (the ones I need the most). I am ...
Tooster's user avatar
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PC shuts down when I put it into suspend/sleep mode and then it keeps restarting

When I enable ACPI suspend S3 mode in BIOS my PC shuts down instead of suspending. When I turn it on it keeps restarting over and over again(I can't even get into BIOS), so I have to completely shut ...
Electron's user avatar
1 vote
1 answer
665 views

Has booting twice with GRUB `acpi=off` broken my monitor?

I'm running Ubuntu Fossa 20.04.1 with latest apt updates/upgrades. My monitor is a Asus VG248QE 1920x1080 144Hz running on DisplayPort. First time I booted it up I ran into a problem: After a few ...
FemtoComm's user avatar
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My laptop sleeps unexpectedly while working [duplicate]

My DELL Inspiron 15 3000 Series 3567 It sleeps while working on it due to palm rest pressure or some jerk. I have disabled sleep from settings that What closing the lid does but the problem is still ...
daemon's user avatar
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How to configure my Fedora 32 to resume from hibernation/suspend with the power button?

I'm trying to enable PWRB on my /proc/acpi/wakeup but it is not even listed as an option: [root@vatican00 ~]# cat /proc/acpi/wakeup Device S-state Status Sysfs node GPP0 S4 *enabled ...
Diogo Melo's user avatar
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1 answer
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ACPI.sys CPU usage: no solution on Windows, but it's solvable in Linux

I know, yet another post of ACPI.sys sitting atop a CPU core. It's seems a different issue from the other posts, though, please, read on. The other proposed solutions didn't work! It's a P65_67RSRP ...
Fernando D'Andrea's user avatar
1 vote
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988 views

AMD Ryzen 5 3600 + Ubuntu 20.04 problems

I have Ryzen 5 3600, Gigabyte X570 GAMING X and Radeon RX 580 Series. I installed Ubuntu 20.04 and it is loaded with kernel parameter acpi=off but now system recognize only 1 core(lspcu, cut /proc/...
Oleg Iskovski's user avatar
1 vote
1 answer
462 views

Is there an equivalent of acpi=off of linux on Windows?

I noticed that an old laptop I have here has broken ACPI hardware and it always shuts down whenever any OS (including vista, 7, 10, linux) tries to bring up any display resolution above the boot ...
j riv's user avatar
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How to prevent keyboard from turning off, when closing laptop lid in Linux

I have a Lenovo ThinkPad X201 Tablet with buttons on the screen bezel. These buttons are there to rotate or invert the display in Linux (Ubuntu 20.04) or lock the screen. Currently I have successfully ...
sleort's user avatar
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How to start graphical application after acpi triggers a script

my old PC using acpi to catch special buttons' actions so I can execute some scripts for certain events. The problem - I can't start any graphical application with it. All graphical application ...
Demiler's user avatar
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194 views

Multiple issues after trying to install systemd-boot

This question is a follow up of this question which suffered from an XY problem I have a Lenovo MIIX 310-ICR with Arch installed on it. I tried to install systemd-boot to replace rEFInd since I ...
Tooniis's user avatar
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how to set `DISPLAY` in acpid scripts

i have multi user logged in, and i use acpid to listen sleep key to turn off screen use xset dpms force off command. i can not turn of the screen because acpid run as and excute scripts as root. and ...
guorongfei's user avatar
3 votes
1 answer
710 views

ACPI_BIOS_ERROR with Windows 10 Installation Media

I have been experiencing some issues on Arch such as the WiFi part of RTL8723BS not working, and the power button not working. I have narrowed it down to the BIOS, so I am trying to flash it. ...
Tooniis's user avatar
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1 vote
1 answer
237 views

Windows 2000 disk image: was ACPI enabled?

I have an old (2005) industrial PC running Windows 2000. It operates a CNC machine, so almost every bit of it is proprietary, except Windows and basic hardware standards (ISA bus etc). All of a ...
kutukvpavel's user avatar
1 vote
0 answers
377 views

Messed up ACPI tables on HP Envy x360/Arch Linux

I recently installed Arch Linux on my laptop, an HP Envy x360. For the better part of a year, I hadn't been able to get my install flash drive to boot, but yesterday I managed to get it up and running....
Redempt's user avatar
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1 answer
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Which hardware and software is needed to have the battery status reported to the OS?

Every smartphone, tablet and laptop does this out of the box independently from the OS. My question is how? Which hardware and software is involved? Which protocols and interfaces? How feasible would ...
DarioP's user avatar
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My laptop sometimes hangs before booting the operating system with an ACPI bug, which I think it's closely related with my nvidia graphics card

Environment Laptop: Asus TUF Gaming FX504GD-EN1354 dmesg output lspci output: 00:00.0 Host bridge: Intel Corporation 8th Gen Core Processor Host Bridge/DRAM Registers (rev 07) 00:01.0 PCI bridge: ...
Adrián Jaramillo's user avatar
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886 views

I am having an issue with an extremly high non-paged memory pool

I have 32gb of RAM. I noticed I was always maxed out at 30 or so GB of usage when I would only have things like Chrome open. I used to be able to run servers. If I restart my computer memory use will ...
Anthony Feuchtwanger's user avatar
1 vote
0 answers
485 views

Ubuntu 18.04 LTS crashing on Acer Aspire 5750G

I have tried to install Ubuntu 18.04 LTS on a Acer Aspire 5750G laptop, several times. Until now I have successfully installed the OS two times, only to have it crash after a period of approximately ...
LUPINE's user avatar
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1 vote
0 answers
854 views

What are these bugs when dual-booting windows with deepin OS?

So I'm dual booting windows 10 with Deepin OS but I keep running into errors that I can't find solutions to because I can't figure out what's wrong. I've followed multiple tutorials, doing everything ...
Nick97832954's user avatar
0 votes
1 answer
376 views

failed to install ubuntu or mint on DELL XPS 8900: ACPI region does not cover the entire command/response buffer

When I tried to install ubuntu 19.10 on my DELL XPS desktop it shows at the console: ACPI region does not cover the entire command/response buffer after looking up online I did these: upgrade my ...
J.E.Y's user avatar
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8 votes
1 answer
4k views

ACPI interrupts causes high CPU usage from kworker

I noticed that, on my ASUS N550JV, my load average was always above 1. I'm using Devuan Beowulf with a 4.19.0 kernel. After some digging I found that the culprit was a kworker related to ACPI. ...
miniBill's user avatar
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0 votes
2 answers
8k views

How do I modify ACPI tables on Windows

In summary, my question is: how do I modify ACPI tables on Windows? More details: I'm having issues installing ubuntu 18.04 in dual boot on my new hp envy x360 Ryzen 3700U. I found an answer here: ...
bouhmid's user avatar
1 vote
1 answer
846 views

How to disable power-off/standby via remote control on raspbian buster

I've recently upgraded from a raspberry pi 3 with raspbian stretch to a pi 4 with raspbian buster. Now, same as before, I also have a remote control attached via USB, and I use thd to hook up certain ...
user826955's user avatar
0 votes
1 answer
456 views

Intel PC prototype, ACPI BIOS ERROR

Update: The problem is not fixed, but I found out that the motherboard I use is to old to be updated, so I figured I would not invest too much time into it, and I installed an esxi instead of windows ...
Vu3L5TmD's user avatar
2 votes
0 answers
440 views

Why does reading PCI device config file freezes the system?

I am running Arch Linux, on a Gigabyte Aero 15x v8, and I am confronted to a particularly arduous problem. To be noted that I am also using bumblebee and bbswitch configured to work with nvidia ...
Balocre's user avatar
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Win10 freezes on boot. ERROR_CODE: (NTSTATUS) 0xc0000420 - An assertion failure has occurred

So I've been trying to track down an issue with a computer. Win7 boots fine, unless multi-threading is disabled in bios, then it freezes on the load screen. I'm not sure why that would be. Anyways, ...
Tyler Fontaine's user avatar
0 votes
2 answers
762 views

High CPU usage - seems to be in the function DefPortWriteAcpiRegister in ACPI.sys

I have been struggling with high CPU usage for a pretty long time, the issue happens when I do a full reboot of my laptop (a DELL Precision M6800, Windows 7, 64bits), it happens in the ACPI.sys ...
Anna's user avatar
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0 votes
0 answers
30 views

Accessing the Debug LEDs on Dell OptiPlexes

Dell OptiPlex machines have debug LEDs on the front panel that say 1-2-3-4.  How can they be accessed from Linux/Ubuntu?  Perhaps via ACPI commands?
H3wastooshort's user avatar
4 votes
1 answer
2k views

Linux Drastically Underclocking CPU (i5-4300U CPU)

Currently working on an issue and am looking for some guidance. Our current setup is a dual core (i5-4300U) Advantech box running Ubuntu 14.04. I am seeing these rare occasions where the CPU cores go ...
ober37's user avatar
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0 answers
45 views

Prepare windows for power failure

In my scenario i have Windows system that can be notified about a power failure up to 200ms before the power failure (The UPS already failed in this scenario). As this won't be enough to shutdown ...
Martze's user avatar
  • 103
2 votes
0 answers
668 views

Ubuntu not detecting battery on HP x2 210 G2

I've installed Ubuntu on this laptop (three flavours) after wiping the system of the original copy of Windows that it came with, and while it was mostly functional, one major aspect that concerned me ...
Guglix's user avatar
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