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Questions tagged [acpi]

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

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1answer
29 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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0answers
68 views

Linux Mint 19 Cinnamon random shut down

While gaming, sometimes the menu to shut down my computer pops up. I click cancel, but it proceeds to shut down. It brings up the Mint loading screen and eventually, I then have to force shut it down ...
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1answer
19 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 ...
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185 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. I need help. I don't know why they're here. Here is the errors, which appear before NetworkManager ...
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0answers
11 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 ...
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1answer
94 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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0answers
614 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 ...
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119 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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0answers
65 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 ...
1
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1answer
76 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
35 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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5 views

QBEX Atlas mobile 5000 turns-off after resuming suspend

I've got a install of Linux Mint 18 Cinnamon on a QBEX Atlas mobile 5000, using the kernel 4.4.0-53-generic. I haven't changed any default options. Whenever I suspend the machine, either by closing ...
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1answer
36 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
2k 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
333 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
107 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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0answers
47 views

How to hot remove CPU from Linux completely

I am trying to figure out the whole process of CPU hot removal in Linux. I found that echo 0 > /sys/devices/system/cpu/cpu3/online can do some kind of CPU removal from kernel, cpu3 could not be ...
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2answers
112 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
2k views

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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282 views

ACPI Error on ThinkPad T470p

I installed Manjaro i3-WM Community Edition and everything is working great. But I get some ACPI Errors after Grub: ACPI Error. [\_SB_.PCI0.XHC_.RHUB.HS11] Namespace lookup failure, AE_NOT_FOUND (...
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1answer
191 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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0answers
33 views

modify fan temperature zones

I just cleaned up my fan and heat sink and noticed that my CPU is still very hot, usually running around 70C. The fan only kicks in at max power around 80C but this worries me a bit, I think is a bit ...
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3answers
3k 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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0answers
103 views

Problem with NVIDIA Optimus after suspending in Debian 9

I bought an ASUS Laptop with Optimus technology. I installed Debian 9 and everything works fine except that, after suspending the system, I'm unable to start any application with optirun or primusrun.....
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2answers
5k 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
866 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
685 views

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

So im 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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0answers
57 views

RHEL 7.4 - Laptop randomly wakes up from suspend mode

Laptop: ThinkPad P50 OS: RHEL 7.4 GUI: MATE I noticed that my computer randomly wakes up from suspend mode, either when I close the lid or when I manually suspend it from the system menu. It ...
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0answers
118 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 /...
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0answers
157 views

Ubuntu 14.04 - Slow Boot [closed]

I have an ubuntu 14.04 server, the server will be in a parking to manage it with a software. When I turn ON ACPI, my server took more than 2minutes to boot, else it takes only 30-40secondes. I need ...
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1answer
491 views

How does the Linux kernel retrieve ACPI tables from the system firmware?

When the Linux kernel boots, it retrieves the ACPI tables from the system firmware. After the system has booted, I can retrieve the tables from the running kernel memory with utilities such as ...
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1answer
367 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 ...
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1answer
53 views

Transfer Virtualbox Linux distro to physical machine - Shutdown / reboot problems

Maybe it serves to describe my current situation first: installed ubuntu on virtualbox (btrfs) created btrfs partition on my laptop booted on a live distro, used btrfs send/receive to transfer the ...
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0answers
693 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 ...
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0answers
115 views

AMD issue requires acpi=off - restricting my distro options

So I've got this little HTPC running an AMD A4 APU on an MSI A88XI AC that I want to turn into a Kodi-based media box. I've had a really hard time installing Linux on this rig; most distros would ...
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3answers
2k views

kworker consumes high cpu for external hard drive

kworker process consumes 75% of one CPU. The offending kworker thread is related with ACPI stuff: sudo cat /proc/THE_PID_OF_KWORKER_PROCESS/stack [<ffffffff85c0c705>] acpi_ns_evaluate+0x1bc/...
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1answer
858 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 ...
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0answers
298 views

Not able to boot to arch because of acpi bios error

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 ...
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0answers
159 views

acpi battery info inaccurate

I have a thinkpad T430s running an ubuntu LTS. The machine is a couple of years old, and the battery (even if replaced already once) seems to show signs of aging. However, it would appear that the ...
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2answers
900 views

Immediate wake-up after suspend

My Debian 9 system wakes up in 2-5 seconds after it enters into the sleep mode (suspend to RAM) manually or automatically. The problem always occurs no matter how the sleep mode is invoked: by lid ...
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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. ...
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0answers
853 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 ...
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1answer
2k views

Difference between suspend by echo “mem” > /sys/power/state and by suspend in XFCE?

I have a (trivial) custom service which runs on resume from ACPI S3 ("suspend"), the script simply wakes up a server by WOL (Wake On LAN). This is driven by systemd, the script resides in /etc/...
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1answer
402 views

Brightness key issue on Lenovo P71

I've got a Lenovo Thinkpad P71 with the NVidia Quadro P3000, that has the "Discrete Graphics" setting on the BIOS, and I'm using the proprietary drivers on Debian 9. For some reason, the brightness ...
3
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1answer
95 views

Sysfs LCD backlight as thermal device

I have Compaq CQ60-120ec notebook. I discovered that there is a directory /sys/class/thermal/cooling_device2. The type said LCD. I tried to control the cooling device, and it dimmed my backlight on ...
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1answer
1k 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 ...
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0answers
76 views

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

Hi running mesg appears the following warnings: ACPI Warning: SystemIO range 0x0000000000000828-0x000000000000082F conflicts with OpRegion 0x0000000000000800-0x000000000000087F (\PMIO) (20140424/...
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0answers
181 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, ...
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1answer
251 views

Understanding ACPI wake-up codes / DSDT (Differentiated System Description Table) of Thinkpad T430s BIOS [duplicate]

I'd like to trim wakeup events of my laptop. Could someone please explain me these 4 letter codes - which devices do they actually represent? $ cat /proc/acpi/wakeup Device S-state Status Sysfs ...
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0answers
377 views

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

As the title of this topic indicates; 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-...