Questions tagged [acpi]

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

76 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
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
  • 436
7 votes
1 answer
1k views

acpi not running action

I have a scripts to control display brightness: /etc/acpi/actions/bl_down.sh: #!/bin/sh bl_device=/sys/class/backlight/intel_backlight/brightness echo $(($(/usr/bin/cat $bl_device)-10)) | sudo /usr/...
Slava Knyazev's user avatar
4 votes
2 answers
2k views

Sleep mode no longer works after the Windows 10 Fall Creators Update

Last week I've updated my PC with the latest Windows 10 Fall Creators Update. Since then, I cannot longer use a sleep mode on the PC - when I try to put the PC to sleep, it doesn't go to sleep but to ...
Dominik Palo's user avatar
4 votes
0 answers
262 views

Need noacpi in CentOS 6.4, not in RHEL 6.4

I've been trying to fix a rather odd problem that I've seen on our new Dell R5500 (Xeon based workstations). We want to run CentOS 6.4 64 bit on them. We did a base install which worked fine, however ...
Caligari's user avatar
  • 111
3 votes
0 answers
122 views

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
3 votes
0 answers
703 views

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
  • 131
3 votes
1 answer
700 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
  • 150
3 votes
0 answers
6k views

Latency caused by ACPI.sys

(Specs below) A few weeks ago, I started having problems with latency; all of a sudden audio and video weren't synchronised anymore and there were/was a lot of stutters and crackling (EDIT: my CPU ...
Kilian Thoelen's user avatar
2 votes
0 answers
435 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
  • 23
2 votes
0 answers
666 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
  • 21
2 votes
0 answers
495 views

Acer Aspire Laptop won't charge in Windows 7 Home Premium x64

I have an Acer Aspire 7750-6801 laptop running Windows 7 Home Premium 64 bit OS. The issue is that it will only charge sometimes when plugged in. I thought it might be a hardware issue, so I tried ...
MaurerPower's user avatar
2 votes
0 answers
1k views

Samsung NP530 CPU stuck at 55 C temperature

I have run into heating issues on my ultrabook running Linux. Idling temperature for Win7 is ~45 C, while in Linux it is ~55 C. Output of sensors rohit@raijin ~ $ sensors acpitz-virtual-0 Adapter: ...
Rohit's user avatar
  • 238
2 votes
0 answers
2k views

How do I understand or interpret the information in an ACPI .asl file?

Dumping the contents of the Windows Registry, located at HKLM\HARDWARE\ACPI\DSDT , I can get the DSDT, which I believe is the Differentiated System Description Table. More information about what a ...
Cheeso's user avatar
  • 2,139
2 votes
1 answer
2k views

Ubuntu 10.04 Keyboard and Mouse Freezing Problem

I had a partition setup with Windows XP and Ubuntu 8.04 dual booting. I recently upgraded to Ubuntu 10.04 by installing fresh from CD but leaving the previous /home folder as is. Things seemed to be ...
nitbuntu's user avatar
  • 247
2 votes
1 answer
4k views

How can I manually generate a fake ACPI lid event from a script in linux?

I'm trying to make sure that my laptop will suspend if I unplug it after the lid is already closed, and I believe that one way to accomplish this would be to simulate an ACPI lid event when the power ...
Ryan C. Thompson's user avatar
1 vote
0 answers
283 views

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
1 vote
0 answers
563 views

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
  • 11
1 vote
1 answer
1k views

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
1 vote
0 answers
1k views

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
1 vote
0 answers
111 views

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
  • 111
1 vote
0 answers
983 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
458 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
  • 2,566
1 vote
0 answers
376 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
  • 11
1 vote
0 answers
483 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
  • 23
1 vote
0 answers
852 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
1 vote
0 answers
147 views

Laptop won’t recognize charge when it’s on, but will charge when turned off

I noticed my Ubuntu based thinkpad t460 acting very slowly so I rebooted it. However, it failed to boot. So I stuck in a Ubuntu usb and used boot-repair to fix it. I then noticed it would not charge. ...
user36322's user avatar
1 vote
0 answers
103 views

Start unit when AC adaptor is plugged

I want systemd to start a unit file when the AC adaptor of my laptop is plugged. Likewise, I want to stop the same unit when the adaptor is unplugged. Maybe attaching the unit file to the unevent? I ...
Tim's user avatar
  • 1,213
1 vote
0 answers
977 views

VMWare Workstation Pro: "Shut down guest" does "Poweroff" instead

My problem is that VMWare Workstation Pro 12 does not send the ACPI commands to do a clean shutdown of the VM, when I select "Shut down guest" (or resets when I press "Restart guest"). The VM is ...
shobor's user avatar
  • 11
1 vote
1 answer
3k views

How to prevent UPS from waking up computer through USB?

I have a Eaton 3S 700 UPS plugged to my Windows 7 Pro 64-bit computer by a USB cable, and I can't prevent the UPS from waking up the computer constantly. This happen both when the UPS is in battery ...
Vince's user avatar
  • 221
1 vote
0 answers
314 views

Debian freezes when not used. Suspend failure?

When I leave my Debian/Xfce laptop alone for a while the screen turns black and then it is stuck there. Nothing happens when I press a key or move the mouse, the screen stays black. I can however ...
BeniBela's user avatar
  • 1,343
1 vote
0 answers
286 views

Noisy HP DL360 server and DMESG errors

I purchased a HP ProLiant DL360 server for use with Solaris testing because it was OEM hardware. The server sits in my basement and its kind of noisy. It sounds like a mini high-bypass jet engine, ...
jww's user avatar
  • 12.1k
1 vote
0 answers
153 views

Zotac Nano uses lots of power while on standby and accesses USB stick - why?

I have a Zotac Nano mini PC with a UEFI firmware here. I have noticed that when on "standby" it consumes a few Watt of power. To illustrate: We start with the power supply disconnected (the power ...
David Tonhofer's user avatar
1 vote
0 answers
127 views

XP unable to hibernate with system installed on LSI controller?

I'm trying to build a workbench machine that will multi-boot all sorts of OSes, one of which will be XP32, SP3. So first up, please don't tell me how silly it is to be installing this nowadays, ...
mr_jrt's user avatar
  • 11
1 vote
0 answers
80 views

How can I tell my Linux installation to handle the brightness ketys with ACPID?

I want to manually control my brightness keys making a event on /etc/acpi/events. Only that there is a problem, when I press the brightness up/down keys, the brighness changes (I think that the BIOS ...
0x2b3bfa0's user avatar
1 vote
0 answers
634 views

What exactly does acpi_backlight=vendor do

I have an issue when booting Linux with a device plugged to USB 3.0. If there is anything plugged (USB stick, keyboard, …), the system hangs on start with blank screen and does not react even on SysRq....
v6ak's user avatar
  • 111
1 vote
0 answers
80 views

Acpi gts parameter

I was wondering if there is a relationship between gts parameter and "suspend to RAM" state. Is it possible, that change settings in /sys/module/acpi/parameters/gts (from 0 to 1) has some effect on ...
Tyo's user avatar
  • 11
1 vote
1 answer
567 views

Is Wake On LAN supposed to work even after AC power reset?

So, if you unplug the AC power cable from the wall and re-connect it to the PC Power Supply, is the Wake On Lan functionality still supposed to work on a PC? The WoL functionality is enabled in Bios ...
user3330840's user avatar
1 vote
0 answers
164 views

Hibernation via power button vs Start menu

I had a problem a few years ago with a Mesh Windows XP machine where if I set Windows XP to hibernate via the power button and then regularly shut down with it it appeared to lead to boot problems. At ...
SilverlightFox's user avatar
1 vote
1 answer
2k views

Change XrandR setup on monitor unplugged/replugged

I'm specifically looking for a way to set up my laptop, when I unplug the external display, to reset the XrandR configuration so I'm only using 1 screen. Any advice? Basically, I want an acpi event ...
Aviator45003's user avatar
1 vote
0 answers
1k views

CentOS 6.4, hibernate issue

The problem is, I can't use Hibernate feature. The system allows me to, but just after the power down, the system wakes up. Seems the system is getting wakeup command from somewhere else, USB, PCI... ...
Jimson James's user avatar
1 vote
0 answers
250 views

Sudden and spontaneous shutdown when using ACPI

On a Dell Optiplex 755, when I bring the system out from ACPI S3 (suspend) to S0 (normal running mode), the system stays on for perhaps 10 seconds, maybe more. Then it very suddenly shuts the power ...
AttributedTensorField's user avatar
1 vote
1 answer
530 views

s2disk does not power off on Debian with kernel 3.10 on Thinkpad

When I hibernate my Thinkpad T61 with s2disk, it does not power off. The problem occurred after migration to kernel 3.10 (3.2 works fine, 3.11 also broken). Any clue how to fix or at least debug it?
pevik's user avatar
  • 592
1 vote
0 answers
309 views

ACPI events delayed or not logged in Linux

I have a samsung ultrabook (NP530U3C) that is not working good with ACPI events: lot of ACPI events randomly stop to be logged on kernel messages either in acpid logging. The lid closing is ever ...
j0lly's user avatar
  • 11
1 vote
1 answer
3k views

Windows 2003 Server doesn't start

My PC with Windows 2003 server has this problem: it doesn't start in normal mode, and in safe mode, it hangs-on the acpitabl.dat I have tried to reset BIOS and disconnect all devices, without success....
leandro teixeira's user avatar
0 votes
0 answers
202 views

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
  • 1
0 votes
0 answers
684 views

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
0 votes
0 answers
561 views

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
  • 101
0 votes
0 answers
286 views

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
0 votes
0 answers
192 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
  • 150
0 votes
0 answers
138 views

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