Questions tagged [acpi]

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

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ACPI error preventing boot after kernel update

not certain if this is a generic Linux query or an Ubuntu query, but here goes. I have a Z800 workstation, which was running Xubuntu 18.04, with kernel 4.15 . It's a dual processor machine. It has ...
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Why there is no /var/log/acpid?

It seems some system has /var/log/acpid I installed a CentOS-7-x86_64-DVD-1810 I didn't see this folder. I want to see the ACPI power off event logs.
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120 views

ACPI error message AE_NOT_FOUND. Why is this happening now? It did not happen previously

I have used Linux on my PC for a long time. Some time recently, there is a new kernel error message on the text console. It also appears as a message in red in journalctl -p err. It did not appear ...
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Laptop fan always says it's running at 8 RPM

I have a Lenovo Legion Y520 with these specs: zjeffer@ArchLinux ----------------- OS: Arch Linux x86_64 Host: 80WK Lenovo Y520-15IKBN Kernel: 5.1.7-arch1-1-ARCH Uptime: 42 mins Packages: 1659 (...
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1answer
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Can't boot kali linux first time (dual boot) UTMP; TMDS & ACPI errors

After installing (which I have done 15 times over and over so far, with different installers) I don't know anymore what to do. With normal booting in kali (no extra GRUB parameters) I get the ...
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Asus transformer mini suspend and hibernate

I have an Asus Transformer Mini (T103HA) and have installed gnome3 debian stretch 9.8 on it. The suspend and hibernate don't work and I don't see any errors in pm-suspend.log. When I click suspend ...
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Can I control the ThinkLight through /proc/?

Inside of /proc/acpi/ibm, I see multiple devices provided by kernel module thinkpad_acpi, x230:/proc/acpi/ibm$ ls beep bluetooth cmos driver fan hotkey kbdlight led light video volume Is ...
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Can't resume from suspend. What can I do to fix it?

I'm using Arch linux. If I execute systemctl suspend from any tty I can resume without any issue. While using i3, systemctl suspend is causing problem while resuming. I get a message saying do_IRQ: 0....
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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 ...
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86 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/...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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, ...
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159 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....
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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 ...
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251 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/...
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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 ...
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204 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)...
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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-...
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62 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 ...
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154 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 ...
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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 ...
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Laptop without X/GUI: Make screen go blank when lid closes [duplicate]

I have a rather uncommon setup. I use laptops internally as some kind of server. The laptops are stacked in a rack and hence should not create an unnecessary amount of heat. So I'd like to shutdown ...
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286 views

Display `/proc/acpi/battery/BAT0/info` from the command line

On a fresh Debian/stable 9.5 installation on a MacBookPro10,1, I am trying to display acpi info from the command line. Here is what I see: $ find /proc/acpi/ /proc/acpi/ /proc/acpi/button /proc/acpi/...
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ACPI: Lid button driver not loaded/bound

I would like to react to the lid open/close events on my custom device, but it seems that the driver for the lid button is not loaded/bound correctly. The system I use is a custom hardware with a ...
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1answer
2k 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 ...
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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 ...
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383 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 ...
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876 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 ...
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411 views

The asus-laptop module cannot be loaded (No such device) on Asus FX503 laptop

I am tracing the asus-laptop driver from 4.17.1 because my keyboard backlight control keys not working. And, I found the driver cannot be loaded, it always reported "No such device". Then I found it's ...
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Fedora 28 ACPI BIOS error

I have fedora 28 and windows as dual boot but after updating some packages in fedora my machine now won't boot. I also can't boot into recovery mode as the same problem persists. These are the error ...
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257 views

`acpi=off` results in `BUG: unable to handle kernel NULL pointer dereference`

Background I have been getting spontaneous crashes on my newly built NixOS machine. I am trying out different configuration options to see if I can avoid them. Here is my journalctl -b -1 -p 3: Jun ...
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277 views

How to set up USB mouse to wake up closed laptop

I have Dell XPS 13 9360, screen Dell UltraSharp U2715H - LED monitor 27" and a cheap USB mouse. The mouse is plugged in the screen USB hub which is plugged in my main USB hub which is plugged in my ...
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1answer
335 views

Find correct ACPI drivers without trial-and-error

My system is running on a minimal kernel config (based on make defconfig). Now I'm trying to figure out which extra acpi device drivers I have to enable to get everything on my system working. To ...
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1answer
246 views

Checking battery level when ACPI has problems

I am running Debian Buster (testing) / Sid on an Iball Excelance laptop (an Indian company). I initially had problems with the laptop trying to suspend and then freezing immediately after finishing ...
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1answer
140 views

asix driver becomes unresponsive after a while

My ethernet adapter goes dead every once in a while, and I am trying to debug. I am using factory drivers with kernel 4.4.126-48-default on OpenSUSE Leap 42.3 . Here are the symptomps, The USB ...
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1answer
9k 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): [...
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1answer
970 views

How to fix ACPI / thermal errors on Dell Inspiron 5770 running Debian sid?

I have a Dell Inspiron 5770 that is running Debian unstable (sid). I get the following errors upon boot: [ 0.048160] ACPI Error: [_SB_.PCI0.RP05.PXSX] Namespace lookup failure, AE_NOT_FOUND (...
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1answer
502 views

Command to get details on charge and time remaining for two batteries

I have a laptop with two batteries. I would like to get combined details on the two batteries. In particular, I'd like the time remaining before both batteries run out of charge and the percentage ...
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423 views

Turn off, not stand-by, console tty1 video

I want the opposite of what seemingly everybody else wants: on my plain old character mode tty1 console directly served by the video card of my bare metal Debian 8.10 Jessie box, I want the screen ...
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1answer
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How to force all CPU cores to run at maximum turbo boost frequency? [duplicate]

My goal is to force all CPU cores to run at maximum turbo frequency (4 x 3.9 GHz) using CentOS 7. Here is the output of cpupower frequency-info: analyzing CPU 0: driver: acpi-cpufreq CPUs which ...
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1answer
541 views

Do we need acpid service to be running for soft shutdown if acpi module is enabled in kernel?

What I understood is acpid caputures power events like closing lid and according to defined rules, it triggers a activity like shutdown, sleep etc. So, can I say that acpid service is not required ...
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8k views

ACPI Error: AE_NOT_FOUND when installing/running any Linux OS

I have bought a Lenovo IdeaPad Y700 some time ago, I installed Ubuntu 16.04 on it and everything worked great. Problem started when I hibernated the laptop (battery level was low). Since then my ...
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2answers
9k views

ACPI region does not cover the entire command/response buffer

I'm experiencing system freezes and looking in the journal I see kernel (4.14.15-1-MANJARO) errors such as: kernel: tpm_crb MSFT0101:00: [Firmware Bug]: ACPI region does not cover the entire command/...
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1answer
3k views

SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32

today my nas debian 9 based started to write out this error in the startup phase, the same is reported in red by calling journalctl -xe: ACPI Error: SMBus/IPMI/Generic write requires Buffer of length ...
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3answers
2k 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 ...
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176 views

ACPI Volume Control (not brightness)

For some reason, upon upgrading to Ubuntu 16.04, my volume and brightness media controls are no longer registering as XF86 keys. I created an acpi event and action script for my screen brightness in /...