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[bug #51747] An DEFAULT option acpi_osi="Linux" is required

From: Tedo Vrbanec
Subject: [bug #51747] An DEFAULT option acpi_osi="Linux" is required
Date: Mon, 14 Aug 2017 04:20:58 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0


                 Summary: An DEFAULT option acpi_osi="Linux" is required
                 Project: GNU GRUB
            Submitted by: tedo
            Submitted on: Mon 14 Aug 2017 08:20:57 AM UTC
                Category: Configuration
                Severity: Major
                Priority: 5 - Normal
              Item Group: Action Request
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Tedo Vrbanec
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 2.02
         Reproducibility: None
         Planned Release: None



For years I had the same problem on several laptops. Without any reason,
regardless of whether the computer was working intense or idle, the computer
would freeze. This could happen several times a day or once a month. The
Syslog left no trace. Two weeks ago it came on my mind one option in grub:
acpi_osi="Linux", I inserted it into /etc/default/grub, made update-grub, and
since then there was no freeze at all. Moreover, the whole computer runs
faster and the CPU is less loaded.
I don't understand: if Linux is to be installed, why acpi_osi="Linux" isn't
default? Moreover, why kernel answer to BIOS with 'false', when BOIS ask
kernel wheatear it is Linux?

GRUB 2.02~beta3-5
OS Debian 9.1
Processor 4x Intel(R) Core(TM) i3-2310M CPU @ 2.10GHz
Memory 8018MB
Laptop Lenovo ThinkPad L520


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