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Date:      Sat, 08 Apr 2023 16:05:49 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 270707] Installer media doesn't boot on Thinkpad T14s Gen 3 (Ryzen 7 Pro 6850U)
Message-ID:  <bug-270707-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D270707

            Bug ID: 270707
           Summary: Installer media doesn't boot on Thinkpad T14s Gen 3
                    (Ryzen 7 Pro 6850U)
           Product: Base System
           Version: 13.2-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: aixdroix_OSS@protonmail.com

Created attachment 241356
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D241356&action=
=3Dedit
Boot process log, multi-user

Filing this bug report as I was advised to do so on IRC channel.=20

Tried booting the Thinkpad T14s Gen 3 (Ryzen 7 Pro 6850U) using 13.1, 13.2 =
and
14.0 installation medias (USB) (Selected 13.2 for this report as it's the
latest release version). The booting process gets stuck on (fans continue to
work);

```
acpi_acad0: <AC Adapter> on acpi0
```

line. See the attached picture for more detail. With the verbose option
enabled, the last line I see is `AcpiOsExecute: task queue not started` I've
tried the latest BIOS driver from Lenovo, and an older version to see if th=
at's
the source of the problem, but I've got the same result. To rule out "defec=
tive
laptop" case; I've obtained another T14S Gen 3 with 6850U and it displayed =
the
same behavior. Also tried while on battery/AC Power; no difference.

I can test patches if needed.

--=20
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