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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1k views

Cannot boot 14.04 Ubuntu

I am new with Ubuntu. My new company gave me a Dell Latitude E5440 laptop running Windows 7 64 bit. I am trying to install Ubuntu but neither 12.04 nor 14.04 boot. The common Error that I take on the ...
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2answers
2k views

Start problem in ubuntu 15.04

I have this problem with my pc: [ 0.545187]ACPI PCC PROBE FAILED. STARTING VERSION 219 [ 240.096017] INFO: task systemd-udev:376 blocked for more than 120 seconds. [ 240.096060] Not tainted ...
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0answers
97 views

Relation between thinkpad-acpi and tp_smapi?

In my 14.04 on T400 laptop, what are the relation between the two modules thinkpad-acpi and tp_smapi? Are they both drivers for the power devices? thinkpad-acpi is said to be driver. So is tp_smapi? ...
1
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1answer
120 views

Suspend failed once and forever?

I incidentally closed the lid and the system went to suspend (ubuntu 14.04) but seemed lasted forever. So I forced quit the suspend. After I restarted ubuntu and let it suspend, it failed to do so ...
4
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2answers
2k views

What does “ACPI PPC Probe failed Starting version 219 ” mean exactly?

I've recently installed Xubuntu 15.04 on my desktop The video playback was kinda slow and buggy so I installed the nvidia drivers (the gpu is an onboard 7025) As some people, I get the "ACPI PPC ...
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0answers
1k views

{4.047432} ACPI PCC probe failed on Ubuntu 15.04 default boot

I've installed ubuntu 15.04 today & got this error. [4.047432] ACPI PCC probe failed on Ubuntu 15.04 default boot Don't know what happened I can't get to login screen. From advance option i'm ...
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0answers
267 views

Slow boot on Ubuntu 15.04 during ACPI

The time seems to be wasted mainly between these two log lines. What could it be waiting for ? Apr 30 01:19:22 terodde kernel: [ 0.907820] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query honored via ...
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1answer
521 views

Can't boot Ubuntu live cd

For some reason i can't boot Ubuntu live cd on my desktop pc while installation media works perfectly on laptop. I'm getting this error : Any suggestions?
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1answer
340 views

Ubuntu 14.04.1 Bug - issue with my on-board networking adapter and the ACPI of my computer

This old bug affects me severely, I say old bug because it is very well documented in the following link: Bug report This bug results in two things: My on-board networking doesn't work, and trying ...
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1answer
866 views

ACPI Package problem on boot Ubuntu 14.04.02

I've been using Ubuntu for pretty long time and am quite experienced with it. But recently I discovered a new problem that I can't resolve on my own. My system is as follows: AMD E-450 1.65 AMD ...
1
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1answer
119 views

Shutdown on idle using ACPI buitin feature

Inbuilt ACPI feature suspend the Ubuntu pc after specific period. What I want to achieve that in place of suspend it should shutdown the pc completely after predefined idle time. Can anybody help how ...
2
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0answers
408 views

Dell e7440, sleep sometimes fails, kernel logs show ACPI errors

I have a new Dell Latitude E7440 with Ubuntu 14.04.2. Sometimes (but not always), after sleeping, I cannot resume, as after trying to resume one of the following happens: I can move the mouse but ...
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2answers
3k views

Nvidia Driver Install Error - “Kernel module failed to build.”

I'm trying to install this because Nouveau / the default driver, is unstable for me, and eventually results in GPU lockups unless I'm running low graphic mode. Got this error while trying to install ...
0
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1answer
329 views

Ubuntu doesn't reboot / shutdown properly

root@pcu:~# uname -a Linux pcu 3.16.0-33-generic #44~14.04.1-Ubuntu SMP Fri Mar 13 10:33:29 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux After any shutdown command (shutdown, halt, poweroff, init, GUI ...
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0answers
450 views

How to fix resume issue: usbhid 2-4:1.0: can't add hid device: -110

Since I installed an Ericsson H5321gw 3G/GPS/HSPA+ WWAN module into a ThinkPad X1 Carbon running on 14.04.02 I'm seeing issues when resuming from suspend. More specifically, login both graphical as ...
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2answers
2k views

Ubuntu 14.04 won't shut down, reboots instead

I've researched on this topic and did all of the recommendations such as editing kernel options acpi=off, acpi=noirq, acpi=force, then sudo update-grub. i also edit the bios to disable wake on lan ...
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2answers
408 views

Can't get the right CPUcore temperature (Acpi chip)

After replacing my motherboard I try to get Psensor working correctly but still I cannot get the right temperature for my CPUcore temp, it's always -127C degrees. I installed lm-sensors and everything ...
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0answers
141 views

My Sony Vaio VGN-N31M/W will not boot without the power cable plugged in

My Sony Vaio VGN-N31M/W only boots with the power cable plugged in. The screen simply hangs on the Grub screen, it loads when acpi is disabled but the laptop is then very slow and can not recognise ...
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4answers
186k views

Boot Error - ACPI PCC Probe Failed

ACPI PCC Probe Failed is the error that pops up instead of the default GRUB loader after I updated my kernel to 3.19. I searched around and couldn't find much information except that it is a known ...
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0answers
499 views

ACPI tables/DSDT tables not available in Ubuntu 14.04. How to restore?

I am working now for 3 weeks at following problem. I wanted to install Ubuntu 14.04 on a new ASUS UEFI PC. Here was my first problem description with a question, but nobody answered: Has the ...
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0answers
625 views

Has the bootoption “acpi=noirq” any disadvantages in permanent use? Help me with debugging acpi pls

I am using Ubuntu for a while now and I have an average knowledge of it, I thought so ;), but have a problem I cant solve alone. I did a lot of research, but now I cant find an other solution and I ...
0
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1answer
259 views

Brighness controls on Toshiba Tecra

The brightness controls do not have any visible effect on my Toshiba Tecra W50. I tried every combination of acpi_brightness=vendor and acpi_osi=Linux to no avail. How can I change my screen's ...
3
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1answer
137 views

Configuring hotkeys for Fn combinations not recognised by acpi_listen

Some of the Fn combinations of my laptop work, some do not. I tried to manually configure the missing key bindings, but acpi_listen has no output when I hit the keys. Is there any possibility to ...
1
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1answer
585 views

Ubuntu 14.10 does not shut down on Acer Extensa 2509 notebook

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. After a hard reset, ...
2
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1answer
1k 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 ...
2
votes
2answers
587 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 ...
0
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1answer
152 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
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0answers
173 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 ...
0
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1answer
72 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 ...
2
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0answers
227 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
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1answer
484 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 ...
4
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1answer
3k 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
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1answer
4k 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 ...
2
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2answers
2k 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 ...
2
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0answers
1k 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: [ ...
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0answers
113 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 ...
2
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3answers
2k 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
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1answer
1k 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 ...
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0answers
178 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 ...
0
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1answer
4k 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 ...
1
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1answer
665 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 ...
0
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1answer
152 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
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1answer
71 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
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1answer
638 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
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1answer
411 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 ...
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2answers
761 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
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1answer
330 views

UPower reports Incorrect Capacity

I've just replaced my old Netbook battery with a new one of higher capacity. It was a cheap battery off of Amazon which clearly reads as a 5200mAh battery but Ubuntu reports the battery as being the ...
11
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4answers
11k 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 ...
4
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1answer
123 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 ...
0
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2answers
848 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 ...