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Date:      Tue, 19 Feb 2019 21:58:35 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 231760] FreeBSD 12.0-ALPHA7 Installations Halts at ACPI on 4 different AMD Ryzen Laptops (HP, DELL, Huawei)
Message-ID:  <bug-231760-227-JSddF2xtn2@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-231760-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-231760-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D231760

--- Comment #11 from John Baldwin <jhb@FreeBSD.org> ---
I have not seen acpidump hang before.  Can you can capture the output you g=
et
from acpidump when it hangs?  In this case I don't need -t, just the -d.  I=
t is
definitely something weird in an ACPI method that your BIOS is doing.  I th=
ink
it's some device's _INI routine that is doing the read.

Also, do you know if register 0xb (PCIR_CLASS) is the last register read be=
fore
the reboot?

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