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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SMP kernel sees only one CPU (i7-930) with ACPI enabled

A Gentoo box running a up-to-date SMP kernel sees only one CPU eventhough ACPI is enabled in AmiBIOS. Any ideas why? > uname -a Linux charlie 3.17.7-gentoo #1 SMP Mon Jan 12 19:31:07 CET 2015 ...
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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 ...
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VIA south bridge puts CPU to sleep, disables timer and ethernet interrupts

I have two VIA NAB-7410 boards with 4x Intel 82541GI gigabit adapters. On both boards, Linux occasionally stops responding to Ethernet frames. The problem goes away when another interrupt is ...
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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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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 ...
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Do I need acpid daemon in virtualization guest?

I get VPS with KVM virtualisation (server for hosting services). I remove most of desktop services (like dbus, consolekit, xorg) because of security and stability concern. Guest run on virtualised ...
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virsh shutdown not working on linux guest

Solution to this issue is usually installing acpi on the guest vm and making sure the vm has the following: <features> <acpi/> <apic/> <pae/> </features> I have that, ...
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Notification of shutdown on Windows 2008R2 “ACPI G2 Soft Off”

Google Cloud offers preemptible instances, which exchange lower prices for the possibility that they can be shut down if the resources are needed. According to the documentation, they are shut down ...