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

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LibVirt (QEMU) Shutting down from inside guest

I am currently running LibVirt with Qemu on Debian Wheezy: Versions: libvirtd (libvirt) 1.2.4 qemu-x86_64 version 2.0.0 (Debian 2.0.0+dfsg-4~bpo70+1), Copyright (c) 2003-2008 Fabrice Bellard It's ...
4
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1answer
77 views

Can a properly wired reset switch fail to reboot a frozen system?

Context: We rent unmanaged server hardware. The hoster's web dashboard offers a "automatic hardware reset" command (next to a "send ctrl-alt-del" command), but it fails to reboot the machine when the ...
2
votes
1answer
68 views

Discover source of ACPI interrupts

I have a set of linux boxes, running RHEL 5. All have the same set of packages installed, and the same hardware/BIOS/DRAC versions.I have ~3k ACPI interrupts a second on one CPU, on some, but not all ...
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0answers
221 views

How to read the address of the XSDT table, as provided by `acpidump`?

I want to access Physical memory in BSD. acpidump -t XSDT > xsdt_dump.asl it is giving: /* RSD PTR: OEM=ALASKA, ACPI_Rev=2.0x (2) XSDT=0x9aae8070, length=36, cksum=164 */ /* XSDT: ...
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1answer
66 views

Detect laptop model from a script [closed]

I have portable homedir. I want to include some code to .bashrc, but I want it to be executed on specific models only. It is keybindings code (xmodmap) which reassigns some of keys, so it should be ...
1
vote
1answer
499 views

Quad Core but Single Core on task manager

ACPI Multiprocessor -> Check 4 Processor shown on Device Manager -> Check 4 Processor shown on Task Manager -> Nope OS -> Windows 2003 Enterprise 32Bit Should I see four processers on the Task ...
3
votes
2answers
7k views

Sleep/Suspend and WOL on FreeNAS

I am trying to figure out how to get FreeNAS 8 to sleep when inactive and, ideally, wake on lan activity (or, less ideally, wake on a WOL magic packet). However, as I've tried to search for ...
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4answers
19k views

Windows 2008 Server R2 turns itself off

I have a Windows 2008 R2 Server that switchs off on his own. and it does not look like a hardware problem since I can see in the log how all services are stopped and after: Log Name: System ...
1
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0answers
374 views

Large Number of ACPI Interrupts

I'm wondering if anyone has seen this before, and could perhaps shed some light on a solution. I'm running Red Hat Enterprise Linux 6.1, fully updated in a text-only server configuration, and the ...
1
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2answers
1k views

Problem loading cpufreq module

I'd like to install cpufreq modules on my server . I tried sudo modprobe acpi-cpufreq but got the error FATAL: Error inserting acpi_cpufreq ...
2
votes
2answers
2k views

Disable ACPI to fix BUG: soft lockup

I am having some trouble with the server that gives me random errors like this: BUG: soft lockup - CPU#0 stuck for 60s! [events/0:38] And the it hangs up until I reboot it. I heard something about ...
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votes
4answers
7k views

Can KVM suspend or shutdown guests automatically on host shutdown?

We have a CentOS 5.5 KVM host, running guests with various versions of CentOS and possibly other OSes later. We'd like to be able to either (a) automatically send an ACPI shutdown to all guests or ...
2
votes
1answer
73 views

Is Ondemand Governor enabled in current HPC clusters?

Will enabling Ondemand GOvernor on HPC cluster help save power ? Are sleep states (C-states) enabled in HPC platforms ? If not, what is the reason behind this ?
4
votes
6answers
5k views

System hangs while rebooting on Debian

I have Debian (Kernel 2.6.26-2-686) installed on two computers. On one of them it reboots quite finely but I am having following problem with rebooting Debian on my second computer. When i type ...
2
votes
2answers
1k views

Hibernate a CentOS server when inactive

I'm trying to get a CentOS 5.4 server to hibernate when the system has been inactive for a while. By inactive I mean there are no incoming network connections. I can get the system to hibernate and ...
3
votes
2answers
571 views

How can i find the trigger of an acpi event?

My Server shutsdown . Evertime at midnight. The acpi Event power_button is triggered. at /etc/acpi/events/power_button power_button: # care about the power button event=button/power.* ...