ACPI (Advanced Configuration and Power Interface) is a standard for power management.
0
votes
1answer
16 views
“Acpi-State” in slabtop's output gets increased — what is it? Is it a bug?
Since boot it gets increased occupying even more RAM than anything else:
Active / Total Objects (% used) : 680608 / 719176 (94.6%)
Active / Total Slabs (% used) : 17390 / 17390 (100.0%)
...
1
vote
1answer
123 views
Suspending laptop fails ~50% of the time
Running ArchLinux and GNOME 3 on a Thinkpad X220.
When I suspend my laptop it goes into sleep mode and the LED ring around the power button fades in and out.
When a suspend fails, the LED ring and ...
2
votes
1answer
799 views
eth0 r8169 down on wake up from standby
On waking up after standby the network (eth0) remains down. The eth0 card is r8169.
I have tried :
ifconfig eth0 up
Doesn't work
ifconfig eth0 up; dhcpcd eht0
Worked but how do I configure my ...
1
vote
2answers
3k views
ACPI wakeup from keyboard/mouse via /proc/acpi/wakeup after suspend. How to find the correct device?
I'd like to wakeup my system via keyboard or mouse. This can be done via /proc/acpi/wakeup and a simple
echo DEVNAME > /proc/acpi/wakeup
my wakeup file looks like this
Device S-state ...
1
vote
1answer
59 views
issues booting Ubuntu [Firmware Bug ] : ACPI _BQC method, cannot determine initial brightness
I am running into an issue booting Linux on a new machine. I started with Ubuntu Server edition. I completed the initial setup via an ISO image, however when the machine restarted and went to load ...
1
vote
1answer
75 views
How to read CPU temperature on a shared server?
I would like to read my CPU temperature with PHP, but I cannot find the relevant info. All paths under /proc/acpi/thermal_zone appear empty. I have tried:
/proc/acpi/thermal_zone/THM0/temperature
...
1
vote
1answer
171 views
The brightness on my Lenovo SL510 only moves between 100% and 0%?
I have a Lenovo SL510 laptop running Linux Mint Debian Edition (based on Debian Testing) using the Cinnamon DE, and the brightness appears to only have two settings: 100% and 0%. If I use the ...
2
votes
1answer
490 views
Setting default brightness level on startup for all run levels
Laptop: Toshiba R630
OS: Linux Mint 14 Cinnamon
I have seen various articles (http://askubuntu.com/questions/151651/brightness-is-reset-to-maximum-on-every-restart) on adjusting brightness. But my ...
9
votes
1answer
5k views
How to disable auto suspend when I close laptop lid?
I'm using archlinux. It never auto-suspend before a recent system upgrade(maybe I updated the kernel?).
I think it is related to laptop-mode or acpid, so I stop them:
/etc/rc.d/laptop-mode stop
...
2
votes
1answer
65 views
Why does my laptop suspend twice/thrice?
The awesome WM doesn't suspend automatically when closing the lid, so I followed some instructions to get it working. I simply added a file /etc/acpi/local/lid.sh.post with the following contents:
...
24
votes
4answers
3k views
How can I detect when a monitor is plugged in or unplugged?
Is there any event that is triggered when I plug in or out an external monitor into the DisplayPort of my laptop? ACPID and UDEV don't react at all.
I'm using onboard graphics on an intel chip. Here ...
2
votes
0answers
167 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. ...
3
votes
1answer
177 views
Issue with laptop screen when opening lid
I use Archlinux, with acpid to configure the laptop lid behavior rather than systemd.
Currently, I have it set so vbetool sets dpms off when the lid is closed, and reopening the lid sets it back on. ...
6
votes
6answers
5k views
How can I improve battery life in Fedora 15?
I am seeing a horrible battery life with Fedora 15 (lovelock) with Gnome Shell 3 on my laptop. I keep the screen brightness, back light pretty low. I still get about 1 hr 50 minutes battery life out ...
0
votes
0answers
86 views
System does not halt with custom kernel (3.2.29)
I've build a custom kernel based on 3.2.29 because we have some special requirements (e.g. AuFS, non-modular Kernel etc). The problem is, that machines do no longer power off correctly, but only halt ...
4
votes
2answers
290 views
help needed to decipher this Acer Aspire 4830TG ACPI code for Nvidia Optimus
I am trying to make sense of the following NVOP Method from the ACPI tables for an Acer Aspire 4830TG with an Nvidia Optimus hybrid graphics system. The NVOP method on top defines a bunch of ...
1
vote
2answers
1k views
Arch suspend when I close laptop lid?
I'm in fluxbox on Arch on a Macbook 5,1. New to linux. I'm trying to get Arch to suspend when I close my laptop. Lately I've just been using sudo pm-suspend.
I installed slimlock, and inserted
...
6
votes
2answers
481 views
Information about a laptop fan
Can you help me with finding all the hardware information (parameters) and configuration files about the fan in my laptop?
I'm interested of the fan's parameters and configuration files that I can ...
1
vote
1answer
278 views
Lm-Sensors: Run specific commands when temperature goes above/below limits
I have a pretty badly ventilated computer whose temperature reaches 100º C in some occasions. The poor thing can't be ventilated any better ("put a bigger fan" is not a suitable solution). When the ...
2
votes
1answer
174 views
How to disable wifi and bluetooth keyboard switches in GNOME?
My (capacitive) media keys have recently become autonomous, causing my wifi to switch on and off at random intervals and effectively rendering the machine unusable.
How can I disable those keys? My ...
0
votes
2answers
60 views
Where to find acpi mailing list?
Was this mailing list dead: Acpi-devel -- Defunct ACPI Development Discussion List
What other source can I utilize , just want to find the developers of acpid
1
vote
0answers
197 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 ...
3
votes
1answer
3k views
Powertop tunables, what does it do?
I just install Powertop 1.98 on my laptop (T420 + FC15).
There is a section called "Tunables". Half of my devices shows as Bad. I see can toggle from Bad to Good? What this section is for? Why ...
3
votes
1answer
631 views
ACPI conflicts with ACPI region SMRG
During startup, I noticed some error. I found this in dmesg:
i801_smbus 0000:00:1f.3: PCI INT B -> GSI 21 (level, low) -> IRQ 21
ACPI: I/O resource 0000:00:1f.3 [0x400-0x41f] conflicts with ...
2
votes
3answers
4k views
How do I start the fan manually in Linux?
My fan doesn't run in Linux. I'm worried that the laptop might turn off if the temperature gets critically high.
I ran the following command:
dmesg | grep -I fan
This gave me:
ACPI: Fan [FAN0] ...
1
vote
0answers
282 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. ...
4
votes
2answers
415 views
Laptop does not power off after it has been suspended to ram
I suspend my laptop using echo mem > /sys/power/state. That works fine and it resumes nicely. Once I try to power it off, it shuts down fine until i see the message Power down. (or similar). ...
5
votes
2answers
1k views
ACPI problem with recent kernels
In recent versions of popular Linux distributions (Ubuntu, Fedora, Mint, Debian) I always have to put acpi=off into the kernel parameter list before I want to boot the computer. This happens to both ...
2
votes
1answer
172 views
Fedora 15 address collision on Compaq CQ41?
I keep getting an address collision warning at boot time, between ACPI and Video Rom. If I add acpi=off to grub.conf the error goes away, but then I have no power management (battery icon, proper ...
4
votes
2answers
2k views
How to deliberately activate cooling fan of laptop?
Hi I have a laptop (Fujitsu Siemens Amilo 4000), I'd like to control the cooling fan manually.
How do I do that? /proc/acpi/fan/ is empty, the fan is otherwise working well.
Distro is Fedora 14.
3
votes
1answer
945 views
script does not behave properly when called by acpi and udev events
I have the following files in /etc/acpi/events and /etc/udev/rules.d
/etc/acpi/events/lidclose
# Pass all events to our one handler script
event=button/lid
action=/etc/acpi/monitors.sh
...
3
votes
1answer
186 views
Why ACPI Namespace keeps changing
Does anyone know why the ACPI namespace keeps changing? I had a script a while back on a Red Hat system which read the CPU temperature from '/proc/acpi/thermal_zone/THRM'. Now I have a new (but ...
6
votes
1answer
327 views
What controls turning off during overheating on Linux
I started experience overheating (I have a few possible troublemakers for it and the cause is separate question) but I wondered what controls handling of overheating?
Sometimes my computer:
Halts ...
3
votes
1answer
264 views
Migrating from tp_smapi to 'normal' ACPI support in 2.6.36
I used zen kernel patchset for a long time which included tp_smapi patch. Recently in zen-stable tp_smapi was removed as "We no longer need tp_smapi as of 2.6.36 - the in-kernel thinkpad acpi support ...
