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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11 views

Brightness issues after upgrading to 15.04

I have just upgraded to 15.04, after the upgrade screen brightness sets automatically to its maximum after every startup or restart. I had faced this problem before when I installed 14.04 on machine, ...
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1answer
417 views

ACPI PCC probe failed while installing! [duplicate]

So, I've been trying to install ubuntu 14.04.03 LTS the past few days but I always face this error, when I hit install the screen turns extremly white(x32) or extremly black(x64) then I get the ACPI ...
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0answers
70 views

Unable to Install Ubuntu 14 next to Windows 7 (different HD)

I'm trying to install Ubuntu 14.04 on my Desktop PC and I am new to Linux. I made a bootable USB-Stick with Rufus (MBR for UEFI) and booted from it. I came into the mask which gave me the options ...
1
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0answers
75 views

Nothing happens when I close the lid or press power button

I just installed on Ubuntu 14.04.3 on my laptop (Lenovo Thinkpad X230). Everything works fine except: closing the lid pressing power button while the computer is on does nothing, even though I ...
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0answers
3k views

ACPI PCC probe failed on Ubuntu installation from usb

I'm trying to install Ubuntu 15.04 on a HP Vivienne Tam netbook (throwing away Windows). With Universal USB Installer I prepared the flash drive in order to proceed with the installation. When the ...
3
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0answers
229 views

ACPI PCC probe failed … intel_soc_dts_thermal: request_threaded_irq ret -22

I use Ubuntu 15.04 and Windows 8.1 (native) on a Medion Microstar AkoyaE6239. I started with Ubuntu 14.10 and then updated it. The problem I describe here also happened in 14.10, and I tried to solve ...
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0answers
38 views

My ubuntu not powering off version 14.04 hp laptop

I am having hp laptop. i installed Ubuntu 14.04. The problem is it is not shutting down. i need to press power button to shut down. i tried almost all steps like changing /etc/default/grub, installing ...
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0answers
73 views

Installing Lubuntu 15.04 and stops with error shown in photo

I downloaded Lubuntu 15.04 and am installing it on a Toshiba laptop with Core 2 Duo and 2Gb ram. I tried "Try Lubuntu" and "Install Lubuntu" and both give the same error. It shows (see pic also): [ ...
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1answer
243 views

Nothing happens when I close my laptop lid or press the power button (Kubuntu 14.04.3, Thinkpad X250)

I'm on Kubuntu 14.04.3 on a ThinkPad X250. I tried to configure what happens when I close my laptop lid or when I press my power button in the "Configure Energy Saving" dialog in the "System ...
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0answers
204 views

Ubuntu 14.04 - problems in boot

Sometimes I boot but the login screen doesn't show, so I have to turn my computer off by the power button. And then, when I turn it on again the message "ACPI PCC PROBE FAILED" appears and finally I ...
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0answers
52 views

ASUS 1015B (AMD C-30 APU) overheating

I have a ASUS 1015B (AMD C-30 APU) running Lubuntu 15.04 x86 (installed in classic mode ie no UEFI boot) which becomes very hot underneath and then shuts itself down. acpi -t doesn't show any ...
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1answer
57 views

Can't install/run ubuntu from my USB

I finaly wanted to know how it feels to have an linux OS on a computer so I tried to install it on an old computer of mine. But when I plugged the USB in the computer and pressed "try Ubuntu without ...
1
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0answers
155 views

Shutdown problems

My laptop Packard Bell ENTG71BM does not want to shutdown with ubuntu 14.04. With Windows all OK. I used a lot of different advices(edit Grub, update BIOS), but it still does not work correctly. I`m ...
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0answers
49 views

Ubuntu won't install from USB- ACPI

Hello so I had ubuntu stalled on my laptop as my only OS but it got corrupted and wouldnt work so i took it off and tried to install it again through USB but when my laptop starts it goes black then ...
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0answers
60 views

How to hide it?

how to hide this? sorry that the pictures, but I don't know how this describe. :/ http://files.tinypic.pl/i/00704/9svzqrz5hqk8.jpeg console doesn't disappear after this message... it also would like ...
2
votes
1answer
108 views

Ubuntu detects ACPI batteries on my desktop computer - thinks it is a laptop

I installed Ubuntu 14.04 on my desktop computer with ASUS m5a97 Evo MoBo. There is this battery indicator on my desktop. I already ran: sudo laptop-detect -v and it returned -> We're a laptop (ACPI ...
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0answers
277 views

Fails to start up with multiple error messages. “ACPI PCC probe failed” +more

I turn on my PC, unlock bios , unlock HDD, then it takes me to GRUB (I usually don't do this) and I select "Ubuntu" and get promoted to enter my paraphrase to unlock my HDD then finally I get the ...
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0answers
34 views

Black screen when trying to install Ubuntu in dual boot on Acer Aspire E15 [duplicate]

I am trying to install Ubuntu off a LiveUSB (so far have tried with both 14.04 and 15.04), but every time I get as far as "Install Ubuntu" and as soon as I choose it, it goes to a black screen with ...
2
votes
0answers
40 views

acpi ppc probe failed - how to hide this message? [duplicate]

I read other topics about this error: acpi ppc probe failed But I haven't found a solution how to turn it off. Can ignore it - I know, but I don't want it to display at startup. Console distorts ...
1
vote
1answer
40 views

Crash battery power Ubuntu 12.04.5

My computer instantly turns off when trying to load ubuntu 12.04.5 on battery power. If I start with the ac plugged in then unplug the comp runs for hours, so the battery is fine. The crash happens ...
2
votes
2answers
228 views

ACPI open/close lid scripts - xrandr does not execute but other commands do

See SOLUTION at the end. I have used this guide to write a script that activates when I open or close the laptop lid. My setup is a laptop monitor and an external monitor working well together. ...
1
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0answers
41 views

Event handler even more low-level than acpid?

Ubuntu 14.04 Netboot didn't support my laptop's display brightness controls out of the box. So first thing I did was fire up evtest to check if the correct keycodes (KEY_BRIGHTNESSUP and ...
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0answers
9 views

Ubuntu boot error with 1.531444

HI every time i try to login i am getting this error and it will stay for long time. some times i will restart the devices. can please anyone help me on this. my laptop is lenovo G470. attached ...
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0answers
37 views

ACPI PCC probe failed at install [duplicate]

This is the first time I tried to install Ubuntu, so create a usb bootable, and when choose the option install or try, the following message appears: [4.033187] ACPI PCC probe failed [5.5956] sd ...
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0answers
44 views

acpi call command in rc.local is not being executed in 14.04

I want to disable my discrete AMD graphics on my ubuntu 14.04. So i went through some threads and SO posts , some of them were : 1) acpi_call github library 2) HybridGraphics Ubuntu Documentation ...
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0answers
297 views

Problem with acpi pcc probe when starting up Ubuntu

I recently installed Ubuntu, but had trouble getting it to boot (when I started the computer I only saw a blinking cursor). I then fixed this, I think, by using a boot-repair software, and it gave me ...
0
votes
1answer
149 views

Frequency scaling

I'm trying to get the frequency of my CPU on max I can't seem to change anything via cpupower or cpufreq-utils, or even by modifying the files myself at /sys/devices/system/cpu/intel_pstate So I ...
0
votes
0answers
80 views

ACPI special keys all have the same code

I've ran into the problem of my brightness keys (and everything but my volume keys) not working. I've been following this guide on how to fix them: https://help.ubuntu.com/community/LaptopSpecialKeys ...
0
votes
1answer
64 views

Is there a problem with the compatibilaty of my chipset?

I've recently built my own PC and i want to run Ubuntu on it. however when i try to boot ubuntu from my usb drive it says: ACPI PCC probe failed I tried installing with nomodeset and the install ...
0
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0answers
272 views

Error during boot Ubuntu. (ACPI)

I was faced with next problem: When I boot my pc( with os Ubuntu 14.04 lts) the system showed me this: ACPI PCC probe failed USB 1:1 3:1 cannot get freq at ep x084 Module: radeon: unknown rela ...
3
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0answers
217 views

Laptop doesn't suspend when lid is closed - No state change

I have a problem about my laptop that doesn't suspend when i close lid. First the story. I bought a new Acer e3-112. It camed with win8.1 and i upgraded it to win10. Then i shrinked the hdd and ...
1
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0answers
369 views

ACPI PCC probe failed when “Try Ubuntu 15.04”

I installed Ubuntu 15.04 from pendrive on my notebook Asus and it worked fine for about 7 months. One day the system couldn't start anymore (because of some update maybe?) so I decided to reinstall ...
1
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0answers
2k views

Won't boot, ACPI PCC probe failed

After updating, my desktop machine will no longer boot. It shows the message ACPI PCC probe failed, starting version 219 and then stops in with a command prompt and some text about it being in ...
1
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0answers
25 views

Where are the default hardware button (ie. volume increase, screen brightness, play/stop music) scripts

I have installed Ubuntu 15.04 on my Thinkpad x220t and was pleasantly surprised to find that the tablet button for rotating the screen works out of box. However, while it does rotate the screen it ...
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0answers
1k views

/dev/sda1: Inodes that were part of a corrupted orphan linked list found

I was using my Ubuntu 2015.04 (with ecryptfs-encrypted user home) laptop normally when suddenly, the hard drive became read-only. I rebooted and now it is stuck on this: [ 0.703206] ACPI PCC ...
0
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0answers
89 views

Asus Motherboard + Ubuntu = unstable

I upgraded my setup with an ASUS p9x79 PRO motherboard and was not able to run Ubuntu (15.04) properly using all my cores and hyper-threading. If I do not run Ubuntu with acpi=off (e.g. with ht ...
2
votes
1answer
295 views

systemd: How to modify the HandlePowerKey action with a custom command?

My headless server has a power button. When the user presses it, I want the server to respond with a brief beep, then shutdown the server. The system should only beep when manually pressing the ...
0
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0answers
53 views

Ubuntu Freezes at Ubuuntu logo on startup

Recently I've installed Ubuntu on my Asus U31JG laptop using an NVIDIA and Intel graphic adapter. I did the installation like 10 times or more because of this freezing problem. Ubuntu installation ...
0
votes
0answers
275 views

ACPI PCC probe failed after Nvidia instalation and the keybaord is broken

I get the APCI PCC probe failed starting version 219. I know this is harmless. But ACPI failing breaks my keyboard (it might be using the ACPI bus). The option of "enable function keys" won't work ...
3
votes
0answers
141 views

How to trace what is invoked on ACPI events?

My question is not how to catch ACPI events, but how to track out what happens when one occurs. I recently got interested in ACPI events. I wonder how to find out what script is triggered by ACPI ...
2
votes
0answers
993 views

How to remap Fn Key combinations?

I want to do some advanced key mapping on my Sony VAIO. It involves the Fn key. This is what I want to do: I want to do a Fn key inversion, ie to remap: [Fn+ F2toF7] on my keyboard to [F2 to F7] soft ...
0
votes
0answers
334 views

“Acpi=off” works, but “acpi=ht” does not, what does that mean?

I had problems installing and running any Ubuntu distro. If the setup would not freeze, the system itself would freeze later on. Finally I set "acpi=off" which let me install and run Ubuntu 15.04 ...
0
votes
1answer
823 views

ACPI PCC - Acer E5-511

I bought a notebook ACER model Aspire E 15 (E5-511-C7NE). The default OS was windows 8.1, I have formatted it and installed Ubuntu 15.04. If ACPI is ON I receive the message: ACPI PCC probe failed. ...
2
votes
1answer
41 views

Making screen brightness change smoother

I am using Ubuntu 14.04LTS on Lenovo G580. The Function key is working fine for brightness change, but I want to make the change smoother, i.e. reduce the step change in brightness per key press. Any ...
0
votes
1answer
207 views

Weird error appearing randomly in terminal

I installed a few hours ago Ubuntu 14.04 and since I started using it I'm seeing a weird error always appearing in terminal : [ 3099.912152] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type ...
1
vote
1answer
374 views

Ubuntu 15.04 does not shutdown properly

I recently installed Ubuntu 15.04 it works nicely but id does not shut down. If I manage to press delete key (it freezes quick) while it shut down it says this: starting version 219 error:/dev/sdf: ...
0
votes
1answer
5k views

Ubuntu Gnome freezing during startup

This morning I installed Ubuntu Gnome 15.04. I installed a few applications and restarted the computer a couple times without issue. I just ran updates though, and when I restarted the computer ...
1
vote
1answer
802 views

Install of Ubuntu 15.04 hanging at “ACPI PCC probe failed” and then “failed command: Read Fpdma Queued”

I have seen many people have this problem during installation, but nobody has fixed this issue. It occurs during first time installation of 15.04. I am getting ACPI PCC probe failed and then failed ...
0
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1answer
1k views

boot problem after upgrade Ubuntu 14.10 to 15.04

I upgraded Ubuntu14.10 to 15.04, using software updater. After finished it , I restart. Now on a restart it fails to make it to the login prompt. The system looks to be in a cycle of failure and I see ...
0
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1answer
276 views

My cpu slows down after a while and does not recover

Sometimes, and I can't reproduce it (but it happens often enough - a few times a week at least) my cpu slows down below its prescribed minimum. This is an example cpufreq-info output from a minute ...