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Questions tagged [acpi]

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

11
votes
1answer
793 views

ACPI group/action undefined: processor / LNXCPU

If I unplug my laptop from the AC adapter, I will get ACPI errors like these: May 07 21:45:04 veritas root[7067]: ACPI group/action undefined: processor / LNXCPU:00 May 07 21:45:04 veritas root[7076]:...
4
votes
0answers
302 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 ...
3
votes
0answers
488 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/...
3
votes
0answers
342 views

Is it normal that a modalias matches various devices?

Recently another user asked why they were loading the fjes module. While I was trying to understand that question, I realized that Linux is also loading the same module for me. Now, this is the ...
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 ...
3
votes
0answers
403 views

Second battery either not charging or charge not detected

I have installed Linux on my laptop and running it as the only system. It displays both batteries on the desktop UI, with the first one on 100% and second 0%. When it is discharged it just discharge ...
3
votes
0answers
990 views

How to debug ACPI/poweroff problems?

I recently replaced my hard drive with a Sandisk SSD and did a fresh install of Fedora 21 (previously using F20). Now my laptop won't power off, and I'm not sure which of the two is causing the ...
3
votes
0answers
2k views

How to set up control for case fans in Debian Wheezy?

We'll for some days now I've been trying to get the fancontrol for my Debian Wheezy up and running. Actually (after some problems with pwmconfig not accepting my chipset, which is a AMD 770 one) now ...
3
votes
0answers
767 views

How to use Sony VAIO buttons to lock the screen?

I have a Sony Vaio VPCEG laptop, like this. I'm using Lubuntu 11.10. I'd like to use those 3 buttons (Assist, WEB and VAIO). They work with Windows 7, to recover the system and to open the browser. ...
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 ...
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 ...
2
votes
0answers
1k views

dmar: Failed to find handle for ACPI object

I'm using a Lenovo B50-50 with this specs: Intel Core i3-5005U CPU @ 2.00GHz × 4 Intel HD Graphics 5500 (Broadwell GT2) hard disk 500 GB Ram 4 GB I'm currently running Debian(Linux debian 3.16.0-4-...
2
votes
0answers
125 views

acpi rtc wakeup on battery (Debian testing)

Setting an rtc alarm via /sys/class/rtc/rtc0/wakealarm leads to successful resume from hibernate when this Asus laptop is plugged in, but when on battery it stays powered off (but resuming from ...
2
votes
0answers
426 views

Linux Mint 17.3 and Ubuntu 15.10 Both freeze after USB live boot

After booting into live USB after several seconds everything freezes I can't even open the terminal (CTR+ALT+F1), Looked for a solution and found out that putting acpi=off on the boot menu should make ...
2
votes
0answers
111 views

Unable to prevent keypresses from unsuspending laptop

It appears that due to the poor build of my laptop, keys sometimes get pressed in my backpack, even though the lid is closed. This causes it to silently resume from sleep, then overheat and drain the ...
2
votes
0answers
305 views

Acpitool no information

When I run as root acpitool I recieved Battery is not present, bailing out. AC adapter : <info not available> Thermal info : <not available> I can understand why all the ...
2
votes
0answers
473 views

Old HP nc4400 laptop on Debian, fan turns on for 10 secs, then off for 20 secs

I run Debian 7 on an HP nc4400 laptop. This is an old laptop with an Intel Centrino chipset. It runs fine except that the fan turns on for 10 seconds, then off for 20 seconds and then on for 10 ...
2
votes
0answers
551 views

acpi_listen returns different result in Ubuntu than Arch Linux

Ubuntu is able to detect my Lenovo "Mic Mute" button with acpi_listen, but when I try it on Arch Linux, there is no output available. Model: Thinkpad X220 4290LY9 Tried to add acpi_osi=Linux in ...
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 ...
1
vote
0answers
169 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 ...
1
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0answers
65 views

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 ...
1
vote
0answers
749 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 ...
1
vote
0answers
1k views

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 ...
1
vote
0answers
903 views

Hardware Frequency Steps - Intel P-State vs ACPI CPUFREQ

I have Intel Xeon Phi 7210 running CentOS 7 with kernel 3.10.0-514.el7.x86_64. I am comparing what frequency steps are available when I boot system into intel p-state vs when the system uses acpi ...
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/...
1
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0answers
299 views

Map ACPI events to X keys (or to custom commands)

Some of the multimedia keys on my Lenovo X1 Carbon aren't recognized by xev. Each time I press the "volume down" key, for example, I get an output that looks like: FocusOut event, serial 34, ...
1
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0answers
288 views

Fans on 100% after Bumblebee Install on Fedora 25

Fresh install of F25. Updated everything. I installed bumblebee following the instructions here: https://fedoraproject.org/wiki/Bumblebee . Closed source managed drivers w/ multilib support. Optirun ...
1
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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 ...
1
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0answers
769 views

USB devices missing from /proc/acpi/wakeup

I'm currently running Ubuntu 14.04 (specifically the Kodibuntu port) on a Gibabyte NUC like mini pc. My kernel version is 3.13.0-55-generic. I'm having trouble enabling wake-up from suspend via my ...
1
vote
0answers
397 views

Linux detects sata ssd only with ACPI=off, but windows always does

I'm trying to install Linux on my new Intel 525 SSD (240gb), however none of the linux installers detect it. I've tried Debian Testing, Gentoo, Gparted live, and Arch Linux live usbs - none of them ...
1
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0answers
739 views

acpi_video0 brightness no effect on the screen

Currently, I am trying to change the brightness of my Ubuntu system. This is my first time using Ubuntu. I couldn't change the brightness using the fn key. This is because my keyboard don't have the ...
1
vote
0answers
38 views

Grub shows Forcepae not found, OS hangs while booting

I just installed LXLE on a computer. In a previous post, I was told how to get Lubuntu to work using Forcepae and acpi_backlight=vendor. Usually those flags are copied when I install, but LXLE didn't ...
1
vote
0answers
184 views

Suspending fails when a USB mouse is connected

When I try to suspend my Ubuntu 14.04 (with KDE environment) using sudo pm-suspend it fails unless I disconnect USB devices, e.g. USB mice and flash drives. Is there a way to solve this problem?
1
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0answers
83 views

skip pam_fprintd.so with closed lid

I really love fprintd and I really love having my laptop closed while in docking station. But I hate both together. This is my /etc/pam.d/system-auth: auth sufficient pam_fprintd.so ...
1
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0answers
826 views

Suspend-to-ram fails on Gentoo with i915

I am struggling with suspend-to-ram on my Acer Aspire V3 772G with Gentoo. My configuration: Gentoo 3.12.5 kernel (.config) /etc/portage/make.conf Portage world file 1) It works in Windows 7 and ...
1
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0answers
462 views

Cannot control brightness with Fedora 14 on Compaq CQ42

I've done the primary searching of similar questions, Found some, tried the solutions and they didn't work for me. So asking again. All the keys of my Fn combination works except the brightness ones. ...
0
votes
0answers
23 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 ...
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 ...
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
33 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
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0answers
126 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 ...
0
votes
0answers
142 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)...
0
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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 ...
0
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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
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0answers
216 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 ...
0
votes
0answers
227 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 ...
0
votes
0answers
169 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 /...
0
votes
0answers
1k views

Debugging an unresponsive touchpad on Lenovo Ideapad 320-15ABR

I have a Lenovo Ideapad 320-15ABR, (I found the exact model name with dmidecode). I'm having trouble getting the touchpad to work. It's not showing up in xinput --list or cat /proc/bus/input/devices. ...
0
votes
0answers
960 views

Enable/Diagnose HDMI sound failure on Intel Bay Trail Atom Z3735F “Compute Stick”

I installed Debian Stretch (Kernel 4.8.0-1) multi-arch net-inst successfully to the eMMC, with Grub, and dual-boot to the original OS (where the sound does work). Well, with half the peripherals. ...
0
votes
0answers
559 views

Laptop wireless not working following Linux install

I have an HP ProBook 4740s which came installed with Windows 7. I recently installed Linux Mint 17.2 on the laptop. Im not dual booting, the laptop now only has Mint on it. Since the installation, ...