Find all needed information about Linux Acpi Support. Below you can see links where you can find everything you want to know about Linux Acpi Support.
https://www.kernel.org/doc/html/latest/admin-guide/acpi/index.html
ACPI Support¶. Here we document in detail how to interact with various mechanisms in the Linux ACPI support.
https://www.kernel.org/doc/html/latest/firmware-guide/acpi/index.html
The Linux kernel user’s and administrator’s guide; Kernel Build System; The Linux kernel firmware guide. ACPI Support. ACPI Device Tree - Representation of ACPI Namespace; Graphs; Referencing hierarchical data nodes; Describing and referring to LEDs in ACPI; ACPI Based Device Enumeration; ACPI _OSI and _REV methods; Linux ACPI Custom ...
https://www.acpica.org/downloads/linux
Instead, new ACPICA code is released to Linux by the ACPICA team via the following procedure: The Linux version of ACPICA is created from the UNIX release package -- the code is converted to Linux format via an ACPICA utility (AcpiSrc) and lindent. Individual patches are created, merged with the current Linux source tree, and released to Linux.
https://en.wikipedia.org/wiki/Advanced_Configuration_and_Power_Interface
The 2.4 series of the Linux kernel had only minimal support for ACPI, with better support implemented (and enabled by default) from kernel version 2.6.0 onwards. Old ACPI BIOS implementations tend to be quite buggy, and consequently are not supported by later operating systems.
https://tldp.org/HOWTO/html_single/ACPI-HOWTO/
If you are using a 2.4.x series kernel, the kernel will need to be patched before you can add ACPI support. Although ACPI is included in the 2.6.x series kernels you should check to see if any patches have been released to fix bugs. You can find this information on the ACPI4Linux site.
https://h30434.www3.hp.com/t5/Notebook-Operating-System-and-Recovery/acpi-error-with-linux/td-p/6021489
dmesg and journal show acpi releated errors also causing a 10 seconds boot hang: [ 0.722652] ACPI: Added _OSI(Module Device) [ 0.722652] ACPI: - 6021489
http://acpi.sourceforge.net/documentation/
While ACPI can be used for more than power management, this has been the focus of the Linux/ACPI team to date. Also note that ACPI defines interfaces for both hardware and software, so most power management activities, such as the system sleep states, require ACPI support from the BIOS, motherboard, and operating system kernel.
https://www.dell.com/community/Laptops-General-Read-Only/ACPI-support-on-linux/td-p/91252
Dec 12, 2003 · Hallo, I am using a CPx laptop with linux (kernel 2.4.20). Unfortunately ACPI implementation seems not to support dell laptops fully. I have then two questions: 1. Is anybody here aware of some dell specific kernel paches to make ACPI work properly ? 2. Is it possible to get somewhere precisie tech...
https://access.redhat.com/solutions/58790
Note: some machines are able to boot without using ACPI. ACPI power-saving features are hierarchical, meaning that any device running "behind" another will be dependent on the power state of the parent device. For example, a device cannot be running in full-power "behind" a device that is …
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