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Questions tagged [acpi]

ACPI (Advanced Configuration and Power Interface) is a standard for power management.

4
votes
2answers
4k views

Controlling display backlight manualy

After a fresh new install of Debian, I can't control my displays brightness via the "xbacklight"-tool ("No outputs have backlight property"). While this is curious enough (since their was a time it ...
1
vote
1answer
2k views

ASUS ZenBook - Battery is never fully charged

I have installed Linux Mint 18.2 Cinnamon (kernel: 4.10.0-32-generic) on my new ASUS UX430UA notebook. However, described behavioral was also found on other ZenBooks and other used OSes like Linux ...
2
votes
1answer
1k views

How to ignore lid switch action?

When I close the lid of my laptop, the computer shuts down immediately and won't power on again. I need to take a screwdriver and disconnect-reconnect the battery in order to make it power on. I ...
6
votes
1answer
934 views

System does not poweroff - how to diagnose

After upgrading to debian jessie my dated desktop system no longer powers off reliably (/sbin/poweroff - via systemctl on tty1). Instead, it shuts down, pauses and reboots and only powers off if I ...
2
votes
2answers
10k views

CentOS 7 cpupower not setting the CPU's to maximum

On my machine, i have power savings disable on the BIOS. When I run Ubuntu on this machine, the CPU's are running maximum at 2100 MHz. However, when I'm running CentOS 7, even with the scaling ...
49
votes
7answers
45k views

How can I detect when a monitor is plugged in or unplugged?

Is there any event that is triggered when I plug in or out an external monitor into the DisplayPort of my laptop? ACPID and UDEV don't react at all. I'm using onboard graphics on an intel chip. Here ...
6
votes
1answer
8k views

Disable GPE ACPI interrupts on boot?

If I look for ACPI interrupts, I find: /sys/firmware/acpi/interrupts/sci: 55414 /sys/firmware/acpi/interrupts/error: 0 /sys/firmware/acpi/interrupts/gpe00: 0 invalid /sys/firmware/...
1
vote
0answers
12 views

confusions on xinput query-state outputs

When I run xinput query-state on something such as a power button, it returns 247 keys. Shouldn't it just be a single button? I read something online about acpi that explains this, but I am not sure I ...
0
votes
1answer
30 views

Disabling all devices in /proc/acpi/wakeup permanently

In an effort to weed out an acpi problem, I need to set all the /proc/acpi/wakeup device variables to disabled. For the time being I'm doing it with acpitool and a script in /etc/rc.local ... usr/...
15
votes
3answers
37k views

message at shutdown: watchdog did not stop!

At shutdown I often get the message watchdog did not stop! and then the laptop freezes after few other lines without shutting down. Any idea on how to fix this? Recently it happened very often, ...
2
votes
0answers
39 views

My laptop AC adapter is not found when plugged in

Three different Linux OS installed on my Acer Predator Helios 500 PH517-61-R0GX say the AC adapter is "off-line". Unplugging and re-plugging does not change the status. My laptop thinks it is on ...
7
votes
2answers
4k views

acpi_listen: can't open socket /var/run/acpid.socket: No such file or directory

I need to use the acpi_listen command. It wasn't installed so I did: pacman -S acpid Then when I run the command acpi_listen I get: acpi_listen: can't open socket /var/run/acpid.socket: No such ...
0
votes
0answers
21 views

How do I properly spin down my hard drives using the command line? (hdparm, apm, hd-idle, any other?)

I just realized that spinning down hard drives is more complicated than I thought. Regarding to HDD idle settings using hdparm (APM, Suspend) I have to write a script that needs to be started at ...
1
vote
3answers
1k views

How to obtain/cat CPU Core Temp from ISA Adapter?

I'm building a script in Linux to monitor my active core temps; Then manually enable the ACPI Fan on the event when the CORE 0 TEMP hits 40 Degrees. I have already built the fan script that works ...
0
votes
0answers
20 views

LM 19 x64 shuts down unexpectedly just before lightdm or cinnamon starts up, because I installed a new battery

LM 19 x64 shuts down unexpectedly just before lightdm or cinnamon starts up. This happens after installing a new battery for my laptop (DELL Precision M4700), and I had to keep the AC adapter plugged ...
2
votes
0answers
31 views

Suspend delayed after lid close

For some reason, when I close my laptop lid, it takes my system 25 seconds to sleep. This is without any autolock prorams (xss-lock, xautolock, etc.) running. In my journalctl I can see exactly a 25 ...
1
vote
0answers
112 views

ACPI Warnings in Debian 8 on ASUS EEEPC 1018P power crashes

running mesg appears the following warnings: ACPI Warning: SystemIO range 0x0000000000000828-0x000000000000082F conflicts with OpRegion 0x0000000000000800-0x000000000000087F (\PMIO) (20140424/...
0
votes
1answer
42 views

puppylinux: acpitool -s in .sh file

I am using puppylinux (xenialpup 64 bit). In order to put it to sleep mode, I run "acpitool -s" in cli. It works fine. But if I put it in a file, save it as .sh file, then mark it as executable, and ...
1
vote
1answer
541 views

ACPI kernel parameter options for HP ProLiant DL380 G5

Heavily related to a question on the sister site (https://serverfault.com/questions/874943/debian-9-black-screen-during-install), I have recently picked up an HP ProLiant DL380 G5 and attempted to ...
0
votes
0answers
19 views

Parrotsec OS not starting without acpi=ogg

I have receently installed parrotsec os and it is causig some issues shutting on and off the system if I haven't turned off acpi. things elevated after installation of bumblebee Architecture - x86 ...
0
votes
0answers
32 views

linuxmint 19.1: power button inserts letters (works fine on linuxmint 18.3)

I recently did a clean install of LinuxMint 19.1 (MATE edition) on my laptop. Since then, pressing the power button inserts a long row of dddddddddddddddddddddddddddddddddddd until I press it again, ...
0
votes
1answer
1k views

Battery indicator problems after installing and uninstalling kubuntu-desktop package on Xubuntu 15.04 x64

A few weeks ago, I decided to get adventurous and install different interfaces on my Lenovo T420 running Xubuntu. I decided to jettison Kubuntu after trying it out (just not my style) and kept Xubuntu ...
4
votes
0answers
298 views

How can I put a PCIe device into the D3 cold power state?

How do I transition an arbitrary PCIe device from the D0 state (powered on) to the D3 cold state (no current to the device) using common utilities on a Linux system? Presumably this involves writing ...
0
votes
1answer
1k views

ACPI: power off vs shutdown

I'm running a virtual machine with CentOS 7 guest. ACPI daemon is started. When I shutdown the hypervisor, then guest operating system powers off. I can see in guest's syslog that it was notified ...
0
votes
1answer
72 views

Debian does not boot after installation

I had Fedora on a HDD and Windows on another HDD. I decided to change from Fedora to Debian and now after installation Debian does not boot. Here the error messages that it displays to me: [ 0....
3
votes
2answers
1k views

ACPId suspend-to-ram: can you specify waking up using keyboard events?

This is Gentoo Linux with OpenRC (updated to systemd later on), and ACPI + some power management features in the kernel for Intel. ACPId is up and running. I can suspend to ram using: echo -n "mem" &...
8
votes
3answers
1k views

Automatically switch display on lenovo docking and linux

I have a lenovo thinkpad with nvidia optimus and a mini docking station series 3. I want that while docked, it should automatically switch to an external monitor if possible and if I undock it, it ...
0
votes
0answers
120 views

Fedora 27 goes into emergency mode after boot

When I list journalctl -xb I see the following errors: ACPI Error: [_SB_.PCI0.RP05.PXSX] Namespace lookup failure, AE_NOT_FOUND (20170531/dswload2-191) ACPI Exception: AE_NOT_FOUND, During name ...
3
votes
1answer
140 views

Void Linux hangs on poweroff

I just got a Oryx Pro, model Oryp4, from System76 and installed Void Linux on it. When I try to power it off or reboot I just get these messages and this dmesg. I have tried adding acpi=off to /etc/...
8
votes
1answer
33k views

ACPI Exception: AE_NOT_FOUND infinitely on startup

I just did a system update and upgrade on my Arch desktop. Just after getting past GRUB, I get this scrolling on the screen forever: ACPI Exception: AE_NOT_FOUND, while evaluating GPE method [_L6F].....
11
votes
2answers
23k views

How to check if my battery is healthy?

My Lenovo ThinkPad T61 is rather old, and a couple of years ago I had to replace the battery as the old one was dead. Now the replacement battery seems like dying a slow death, but I get conflicting ...
1
vote
0answers
163 views

Limit an MSI laptop battery charging to 80%

How can I limit battery charging to 80% capacity? Above thread provides several solutions for ThinkPad laptops. Mine is an MSI GF72 8RE-032. The Windows 10 drivers&utility pack seems to provide ...
0
votes
1answer
1k views

Change the cpufreq driver from intel pstate to acpi

I am trying to disable the intel pstate cpufreq driver and replace it with acpi to get maximum cpu control. I tried this. vim /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="intel_pstate=disable quiet ...
7
votes
1answer
7k views

ACPI BIOS Error / AE_NOT_FOUND

I'm getting these error messages every single time I reboot my desktop (and a couple of more I don't know how to retain when it's shutting down, but those are not relevant to this question so far): [...
1
vote
2answers
267 views

Ubuntu 18.04 doesn't lock when I close the lid

Here's what I did: I created a file /etc/acpi/events/lm_lid and wrote into it: event=button/lid.* action=/etc/acpi/lid.sh I created a file /etc/acpi/lid.sh and wrote into it: #!/bin/sh gnome-...
0
votes
0answers
138 views

Kernel panics only with ACPI enabled

I have ubuntu 16.04 on my laptop. It was working good until few days ago. The system won't boot. It logs ACPI errors and then kernel panics: ACPI Error: No handler for Region [RAM_] ( (ptrval)...
1
vote
0answers
74 views

How to extract ACPI tables from .ISO file?

I am in need of ACPI tables (DSDT) that comes with Linux ISOs. Why? Because i am compiling a custom kernel which includes modules that require certain things to be enabled in the ACPI, and the ...
3
votes
0answers
485 views

Only one of the two processor cores is recognized by Linux Mint on my laptop

My computer seems to have only one of the two processor cores operating. inxi CPU~Single core Intel Core2 Duo T6400 (-UP-) speed~2000 MHz (max) Kernel~4.4.0-53-generic x86_64 Up~2:40 Mem~1180.8/...
1
vote
1answer
608 views

Backlight slider no longer works in Linux Mint

I'm running Linux Mint 18 Cinnamon on my Asus X555LA, which also has Windows 10 installed on another partition (the backlight works perfectly in Windows). However in Linux Mint: there's already an ...
2
votes
0answers
363 views

Not able to boot to arch because of acpi bios error [closed]

As the topic says I am not been able to boot to my arch. It shows some acpi bios error. I am attaching the image of it. It may happen due to xf86-input-mtrack I installed from AUR package. After that ...
3
votes
0answers
595 views

Brightness control keys not working in linux

I recently bought the Lenovo 500s-14isk and it came with windows 10 installed. Yesterday, I installed in dual boot mode Elementary OS. Didn't notice anything wrong during the installation, but the ...
2
votes
2answers
193 views

Triggering a gui from an acpi event

I've made a tkinter app to handle the power button press, but it doesn't launch when it should. Although if I use echo hello>>~/junk as the acpi action, it adds a hello to junk for every power ...
0
votes
1answer
44 views

How to add a delay to the power button for accidental bumps

I have a miniature PC here with a large and prominent power button on the front which is easy to bump accidentally. The system is running CentOS 7 with systemd. I already know that I can set ...
1
vote
1answer
133 views

Serial port only recognized with acpi=off boot flag

I have a computer with a skylake motherboard (ASRock IMB-195), and I'm trying to use the on-board serial port (/dev/ttyS0). I'm using Ubuntu Server with Linux Kernel 4.4.0-72. If I boot with acpi=off,...
0
votes
0answers
18 views

Grub2 + Qemu does not use new acpi

I am developing an x86_64, multiboot2 compliant OS (with grub2) and testing it on Qemu. When I run it, the multiboot2 only contains tag 14 (old acpi e.g. v1) not 15 (new acpi e.g. 2.0+). The host ...
0
votes
1answer
103 views

How to remove acpi warnings [duplicate]

These are the warnings when I run dmesg. ACPI: Deleted _OSI(Windows 2012) ACPI: Deleted _OSI(Windows 2013) ACPI: RSDP 00000000000f0410 00024 (v02 INTEL ) ACPI: XSDT 00000000bdfaad98 000B4 (v01 INTEL ...
4
votes
2answers
3k views

script does not behave properly when called by acpi and udev events

I have the following files in /etc/acpi/events and /etc/udev/rules.d. /etc/acpi/events/lidclose # Pass all events to our one handler script event=button/lid action=/etc/acpi/monitors.sh /etc/udev/...
0
votes
0answers
15 views

ACPI Shutdown works but not Reboot

I had originally thought that ACPI was not working on my system at all, but discovered that while a Shutdown operation successfully powers down the system, a Reboot operation will reach the Restarting ...
1
vote
0answers
742 views

ACPI Errors: What do they mean and how to handle them?

There are some ACPI errors on my system journal, I feel a need to find what causes them to occur. Here are the errors, which appear before NetworkManager and sddm start: Aug 05 11:50:26 mymachine ...
4
votes
2answers
814 views

decipher this Acer Aspire 4830TG ACPI code for Nvidia Optimus

I am trying to make sense of the following NVOP Method from the ACPI tables for an Acer Aspire 4830TG with an Nvidia Optimus hybrid graphics system. The NVOP method on top defines a bunch of ...