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Re: Using acpi line to load DSDT table at runtime - Linux 16.04

From: Andrei Borzenkov
Subject: Re: Using acpi line to load DSDT table at runtime - Linux 16.04
Date: Wed, 27 Jul 2016 17:45:01 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0

27.07.2016 15:37, carlos izzo videla пишет:
> Hello:
> Like many others, my motherboard (Sun Ultra 24) has ACPI problems caused
> by a very badly written BIOS, to the extent of reporting itself to MS
> Windows as a laptop. 
> I use Mint 18 64 bit, a W7 drive came with the workstation and I'm only
> booting for using with software that will not play nice with Wine. 
> Unfortunately, there are no BIOS updates or support available from the
> OEM.
> While I have been able to edit the DSDT table and recompile it with no
> errors I have not found a way to load it at runtime and I am not keen
> about recompiling a kernel.
> While looking around for a way to load a modified DSDT table, I came
> across a post at, referenced to
> If I understand what it says correctly, the OP makes a reference to
> loading a DSDT file via GBUB2:
> --- snip ---
> I can load other ones (by making a dump to file from
> /sys/firmware/acpi/tables/XXXX and then loading with grub's acpi
> xxxx.dump) ...
> --- snip ---
> For the life of me I have not been able to find out how it is done or
> the syntax to use.
> I'd appreciate any input with respect to this.

Compile table, place it in a file accessible to grub and use

acpi <file>

where <file> is name of file that contains compiled table. See if your
"info grub" contains description of acpi command.

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