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Date:      Fri, 07 Jun 2019 14:49:47 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 238392] System does not power off
Message-ID:  <bug-238392-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D238392

            Bug ID: 238392
           Summary: System does not power off
           Product: Base System
           Version: 12.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: mwoehlke.floss@gmail.com

Shutting down the system (`poweroff` or `shutdown -p now`) does not turn off
the machine; it is necessary to hold the power button until the BIOS cuts
power. Rebooting works.

CPU: AMD Ryzen Threadripper 1920X
Motherboard: Gigabyte X399 Aorus Pro
BIOS: ID=3D8A07BG04, Version=3DF1, Date=3D2018-10-01
Kernel: 12.0-RELEASE r341666 GENERIC

Output of `dmesg`, `sysctl hw.acpi` and `acpidump -dt | xz` will follow. Pl=
ease
let me know what other information I can provide or what experiments I can =
try.

Linux (Fedora 29) is able to power off the system, so presumably it is not a
hardware problem as such, but likely some ACPI quirk that Linux knows about=
 and
FreeBSD doesn't.

Possibly related: #132602, #149371

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