Questions that relate to the Advanced Configuration and Power Interface (ACPI) specification which provides an open standard for device configuration and power management by the operating system.

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0
votes
2answers
344 views

Ubuntu won't shutdown (system halted)

I have an Acer Aspire E1 (ES1-311-P1D5) and I installed Ubuntu 14.10 on it. SecureBoot is enabled. When I try to shutdown the system, it will stop but won't shutdown the computer itself. I've read ...
3
votes
3answers
370 views

Remap keyboard Ubuntu 12.04; Asus Q500A

I have an Asus Q500A with win8 and Ubuntu 12.04 64 bit with linux kernel 3.8.0-32-generic. I am using gnome-panel, and xserver-xorg-lts-raring. I have been experiencing problems with the keyboard ...
0
votes
0answers
6 views

DVD noise on resume & power

I've got a Sony notebook with a slot DVD drive and everytime I boot or resume from suspend the DVD drive makes a noise. Is there a way to tell the DVD drive to not make a noise or just not wake up? ...
0
votes
0answers
144 views

Ubuntu 14.10 does not shut down on Acer Extensa 2509 notebook

Hello fellow Ubuntuers, I am currently running into a problem with my new Acer Extensa 2509 notebook. After installing Ubuntu 14.10 onto the hard drive, I was not able to shut down my live USB drive. ...
0
votes
0answers
12 views

If docked during sleep, how can I execute my docked script on wakeup?

Setup: Thinkpad x230 + docking station; Ubuntu 14.04 I use ACPI events to detect if when I dock into my dockingstation and undock. This triggers some xrandr command to setup my external monitors and ...
0
votes
0answers
17 views

acpid does not trigger Events after booting; manually starting acpid works

I have a Thinkpad X230 with docking station and Ubuntu 14.04 and would like to execute a xrandr script to configure my external 2 monitors when changing from standalone to dockung mode and the other ...
0
votes
0answers
82 views

ACPI Events not triggered after booting

I purchased a Convertible (Laptop and Tablet, Ubuntu 14.04 installed) and would like to execute a script when changing from laptop to tablet mode and the other way around. So I created two new files ...
4
votes
2answers
4k views

What is the impact of the nolapic parameter on a multiprocessor laptop?

I have an Asus X71SL with an Intel Dual Core T3200 processor. Any kernel version after 2.6.35-rc2 won't boot up on my machine without the nolapic kernel parameter at bootup. I have already reported ...
2
votes
2answers
49 views

acpi_listen is not working the way it should

I want to get keymaps of the keys using acpi_listen for some keyboard layout issues. But when i run acpi_listen and press any alphabetical key, it will only display that letter(Suppose I press a it ...
1
vote
2answers
514 views

Lenovo X1 Carbon with Ubuntu 14.04 wakes from suspend by itself after 3 hours

My machine seems to wake up from suspend by itself, at irregular intervals. Causing the power to die out, and machine turn off. It is quite the annoyance, when the machine is in my case and it wakes ...
0
votes
2answers
515 views

Ubuntu 14.04 live disk only starts up with acpi=off

I recently tried to run ubuntu 14.04 on a USB drive as I wanted to decide whether it is worth upgrading to(my netbook now has 12.04 on it). However, when I tried to start ubuntu up from the USB ...
2
votes
1answer
701 views

Suspend on power button when session is locked

Is it possible to configure Ubuntu so that the power button causes suspend regardless of whether the session is locked or not? See here, for example. That configuration does not work, however, if the ...
0
votes
1answer
47 views

Worrying messages in syslog

I recently installed Ubuntu 14.04. Today, I found some scary looking messages in syslog. I wanted to know if they are a cause for worry. ACPI: Deprecated procfs I/F for battery is loaded, please ...
2
votes
0answers
92 views

Strange behavior when closing lid Gateway NE56R

I have a Gateway NE56R laptop running the latest Kubuntu 14.10 x64 beta, although I had this same problem on Trusty. This problem may also affect some Acer Aspire laptops if that helps you fix my ...
1
vote
1answer
234 views

Ubuntu 14.04 does not recognize my battery

For the last 3 years I've been using a Samsung notebook. I was using Ubuntu 13.10 until 2 weeks ago. Then I decided to format and install Ubuntu 14.04 LTS. Everything was working great, until the ...
0
votes
1answer
39 views

How to change drain order of laptop batteries?

I have a laptop with an extra battery. Currently the smaller one in the bay normally reserved for a CD/DVD drive drains first, leaving the main one untouched until the smaller one is totally ...
0
votes
0answers
34 views

Power off stuck acer 5560

Hi I have a laptop acer 5560G. apu a6-3400 which works very well with windows. I am making migration to kubuntu 14.04 which I really liked. Congratulations !!. The problem I have is that when you turn ...
1
vote
0answers
51 views

Disable keyboard input wake up

I want to disable making my laptop wakes up from suspend on keyboard input. I searched a lot and I disabled all devices in /proc/acpi/wakeup but it still wakes up when clicking any button. I checked ...
1
vote
1answer
94 views

High ACPI interrupts counts in brand-new laptop

EDIT: It almost seems like the issue is resolved now(I get 22 interrupts in a 10 seconds interval with video playing in the background). The only difference is that I re-installed Ubuntu, but this ...
1
vote
1answer
263 views

Catch lid close and open events

I tried to write a script like this suggestion: How do I configure the screen to lock when I close the lid? I created a directory and a new script file: mkdir /etc/acpi/local gksudo gedit ...
1
vote
2answers
2k views

Do I need to add a boot parameter to work around this kernel power bug on a Sony Vaio VPC-EH1S0E?

If i with dmesg | grep -i aspm have this: [ 0.503709] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it [ 0.673564] ACPI _OSC control for PCIe not granted, disabling ...
0
votes
0answers
71 views

All network connections close when laptop lid is closed 14.04

First of all, I'm not the most proficient beaver when it comes to linux in general but I catch on very fast. I'm using the x86 version of Ubuntu 14.04 LTS. I have a Toshiba Satellite L40-14F laptop, ...
0
votes
1answer
699 views

Error: Cannot find backlight controller for radeon acpi graphics card

I get the following message every time I reboot Ubuntu 14.04 LTS: drm: radeon_acpi_init Error: Cannot find a backlight controller What does this mean, and how can I fix it? Many thanks for your ...
0
votes
0answers
94 views

peripherals switch off, caused by overheating: ACPI problem

I have an HP Pavilion dm1-4125sa Laptop, 64 Bit with 1.7 GHz AMD Dual-Core E-450 CPU, dual-booted with Windows 7 and Ubuntu 14.04. Often when I am in Ubuntu (only Ubuntu, Windows is fine), when it ...
27
votes
3answers
46k views

What does the kernel boot parameter “set acpi_osi=Linux” do?

I am facing an issue with brightness control in my laptop which has Intel HD graphics and Ubuntu 10.10 64-bit. So when I searched for a fix I found that a common suggestion is to edit the GRUB file ...
1
vote
1answer
710 views

Trying to run Ubuntu 12.04 or 14.04 with old ATI cards

First, I've tried Ubuntu 12.04, Ubuntu 11.04, Ubuntu 10.04, Xubuntu 11.04, Xubuntu 12.04. Video card is ATI Radeon 9600/9550/X1050 Series. I've done some digging before I decided to ask question ...
1
vote
0answers
356 views

14.04 BIOS, ACPI Errors in dmesg

I recently upgrade from 12.04 x64 to 14.04.1 x64 Dell Latitude Laptop I am seeing messages in dmesg that are causing me concern. The 2 excerpts below are the ones I am most concerned with: [ ...
4
votes
3answers
3k views

How to enable hard-blocked bluetooth in Thinkpad Edge 320

I'm trying to use the built-in bluetooth device of my Lenovo Thinkpad E320. It seems to be hard blocked, but i can't find any possibility to unblock it. rfkill list returns: 0: tpacpi_bluetooth_sw: ...
1
vote
0answers
62 views

Gateway ML3109 only boots with “acpi=off”

I have a Gateway ML3109 that I have installed Lubuntu 14.04.1 LTS 64 bit on. I used the alternate installer, and the acpi=off option during the install. My system will only boot with the parameter ...
0
votes
0answers
296 views

xfce4-power-manager not updating; ACPI finding an unknown battery but working fine?

I recently upgraded my Asus S56CA Ultrabook and unfortunately my battery indicator in xfce4 stopped working. However, the battery indicator in the system tray is not updating at all. If I start the ...
1
vote
1answer
334 views

Thinkpad W520 brightness modification requires suspend

I have a Lenovo Thinkpad W520 with 12.10 installed on it. The specifics are: Linux corellia 3.5.0-19-generic #30-Ubuntu SMP Tue Nov 13 17:48:01 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux It works ...
1
vote
0answers
130 views

Ubuntu wakes immediately after suspend with Nouveau on GeForce GT 525M [closed]

I've seen a couple similar questions (1, 2, 3, 4, 5), but neither seems to address my case. When I suspend, after a second, I see a terminal with the word "Nouveau" (implying Nvidia problems?), and ...
0
votes
0answers
13 views

How does Ubuntu process the press of the power button and other keys presented on the keyboard?

How does Ubuntu process the press of the power button and other keys presented on the keyboard? There are many hot keys on my keyboard: Power Button, Volumn Up, Volumn Down, Mute and so on. How does ...
0
votes
1answer
316 views

rtcwake cron does not work

I intend to put my computer to sleep every night and make it wake up again next morning. I found that rtcwake would serve my purpose. However putting it in the crontab does nothing. Following is my ...
1
vote
0answers
110 views

Extremely slow ACPI Event Propagation

A follow up to my previous question here: Run a Script when Power Button is Pushed So I am able to detect ACPI events and I intercept the power button press appropriately, however there is an ...
3
votes
1answer
230 views

Run a Script when Power Button is Pushed

I'm trying to run a script once I push the power button instead of having my machine turn off. I'm running Ubuntu Server 13.04, but any answers also need to work on Server 14.04. I've looked at ACPI ...
0
votes
1answer
324 views

ACPI not running custom script on power button press

Any idea how I can debug acpid not starting my custom script on modified xfce4 environment. I've modified "/etc/acpi/events/powerbtn" to point to the correct script: event=button[ /]power ...
13
votes
1answer
24k views

What do the different Boot Options mean? (i.e. acpi=off, noapic, nolapic, etc)

I've been having issues installing 11.04 on my new laptop, the solution was to enable any of these boot options: acpi=off noapic nolapic But, what do these options actually do? What sort of ...
0
votes
1answer
41 views

What does acpi -t measure?

Whenever I use acpi -t, no matter what I'm doing, the temperature it displays is the same: Thermal 0: ok, 14.0 degrees C So to try and figure out why that is, I go to the man page: acpi Shows ...
0
votes
1answer
29 views

How can I log acpi temperatures?

I'm trying to debug why my computer randomly shuts down sometimes, and to rule out temperature issues (since I don't think that's the case) I would like to log the output of acpi -t somewhere so when ...
0
votes
1answer
983 views

How to stop acpid restarting /etc/acpi/lid.sh restart unnecessarily? [closed]

On my Acer Aspire One netbook, I have noticed that acpid starts /etc/acpi/lid.sh multiple times a minute. This script should only be started when the lid is closed or opened. How can I stop theses ...
2
votes
1answer
142 views

Why can't I poweroff my computer if it isn't connected to a power supply?

When my computer is not plugged in the poweroff function doesn't work. It just boots up after poweroff. Whenever I poweroff by the way of GUI clicking or typing command poweroff or halt, my computer ...
0
votes
0answers
51 views

How to reverse the color of [HP] touchpad button/indicator LED

I have Ubuntu 14.04 running on a Compaq CQ60 laptop. The laptop has a button just above the touchpad which allows the touchpad to be enabled and disabled. There is a LED under this button, which (when ...
0
votes
1answer
191 views

How to disable the [HP] ACPI button for the wireless card?

I have Ubuntu 14.04 running on a Compaq CQ60 laptop. Ever since I installed Ubuntu (back on 12.04), the "toggle wireless" button next to the power button hard locks the WiFi adapter, causing me to ...
0
votes
1answer
244 views

Overheating in an dual-boot system (windows 8+Ubuntu 14.04)

Precisely, I would like to know if booting windows 8 through GRUB can affect in any way the global performance (CPU/GPU benchmarks, cooling efficiency etc...) in both Windows and Ubuntu 14.04 ... I ...
9
votes
2answers
4k views

Fan is always on, CPU usage is rather low and can't find the fan or thermal_zone proc files

I have an Asus N76VB notebook with Ubuntu 14.04 and TLP for power managment. However, the fan is always on. It's not really loud, but it's annoying. My CPU usage is around 1-2%. It's clocked at 1.20 ...
0
votes
0answers
370 views

how to improve boot time and solve overheating issues?

Okay guys, I am new to Ubuntu and Linux. Truth be told, my first time feels like hell. I have been having problems booting up (takes a lot of time). My laptop is overheating and I can smell things. ...
0
votes
0answers
134 views

Weird possibly ACPI related behavior on 14.04

Since upgrading my notebook to 14.04 I've observed a weird behavior, possibly tied to ACPI; sometimes on boot, hotkeys like ctrl + alt + T and function-keys like fn + ⌨ (for keyboard-backlight ...
0
votes
0answers
126 views

Ubuntu shows only one core with nolapic booting option

The only way I can boot my Ubuntu (13.10) on my iMac properly is with 'nolapic' option. However, as far as I know, this option disables all the cores but one. I wonder, is there any way for me to boot ...
4
votes
1answer
83 views

Does Ubuntu Phone support RTC Alarm?

Is /sys/class/rtc/rtc0/wakealarm present? Does phone wake up after setting it when it's completely switched off? What does it do when the phone is locked? Will it be supported in hardware by all ...