Searching for Ubuntu Enable Acpi Support information? Find all needed info by using official links provided below.
https://wiki.ubuntu.com/AcpiSupportDeprecation
Jun 15, 2009 · acpi-support is a Debian/Ubuntu specific package which duplicates a lot of functionality from hal, hal-info, and pm-utils. We evaluate its current status and provide a migration path. This specification specifically ignores hotkey handling, which is already covered in ubuntu-hotkey-madness .
https://askubuntu.com/questions/202308/acpi-osc-control
Unfortunately it seems that your firmware is indicating to the kernel that it really does not support ASPM on your hardware. The kernel has queried the firmware using the ACPI _OSC control to see if ASPM is supported and it is informed it is not supported, so ASPM is disabled. The reasons for this being disabled are vendor specific.
http://manpages.ubuntu.com/manpages/trusty/man4/acpi.4freebsd.html
acpi — Advanced Configuration and Power Management support SYNOPSIS ... . To enable acpi (for debugging purposes, etc.) on machines that are on the blacklist, set the kernel ... machines fail with ACPI enabled. Disabling all or part of ACPI on non-i386 platforms (i.e., platforms where ACPI support is mandatory) may result in a non-functional ...
https://blog.jamesbayley.com/2016/02/08/how-to-enable-acpi-shutdown-in-virtualbox/
A VirtualBox guest computer runs in a window. When you click [X] or click the Machine menu there is the option “ACPI Shutdown”. Ubuntu Guests To enable this on Ubuntu guests from Window…
http://www.thinkwiki.org/wiki/How_to_make_ACPI_work
ACPI SLEEP States option did only show up for me after patching Software Suspend 2 into the kernel. With a vanilla 2.6.17 kernel, one must enable CONFIG_SMP and CONFIG_HOTPLUG_CPU for the option to appear, cf. Debian bug #383059. (This should be fixed in 2.6.23, there are new CONFIG_SUSPEND and CONFIG_HIBERNATION config options)
https://www.tenable.com/plugins/nessus/76707
The remote Ubuntu host is missing a security-related patch. Description CESG discovered that acpi-support incorrectly handled certain privileged operations when checking for power management daemons. A local attacker could use this flaw to execute arbitrary code and elevate privileges to root.
https://help.ubuntu.com/community/ExpressCard
Aug 14, 2012 · The installation of a ExpressCard should be trivial. Enable Hot Plugging. PCI Express Hotplug. The default kernel has support for the PCI Express Hotplug driver. The kernel option CONFIG_HOTPLUG_PCI_PCIE should be set and you should have a module called pciehp in your system. sudo modprobe pciehp pciehp_force=1. ACPI PCI Hotplug
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