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 triggered,...
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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: Length=...
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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, ...