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Date:      Wed, 3 Apr 2019 09:05:22 +0200
From:      Yamagi Burmeister <lists@yamagi.org>
To:        rozhuk.im@gmail.com
Cc:        dariusmihaim@gmail.com, freebsd-hackers@freebsd.org, freebsd-current@freebsd.org
Subject:   Re: Boot hang on ryzen based notebook
Message-ID:  <20190403090522.548ffbdaad84c2c001a6926d@yamagi.org>
In-Reply-To: <20190330211736.05b39193@rimwks>
References:  <20190330164628.138a2bad@rimwks> <CAPj=67tECgp6bgB4U5xqa0Nnngz6tZjEH4pw4PPcFay7DBJopg@mail.gmail.com> <20190330204138.18fe8443@rimwks> <CAPj=67uK5hi21FHt=Yas0QofW0CbLBotYus=xQ6t0YGNWnmKrA@mail.gmail.com> <20190330211736.05b39193@rimwks>

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On Sat, 30 Mar 2019 21:17:36 +0300
Rozhuk Ivan <rozhuk.im@gmail.com> wrote:

> > You wrote "apic.0.disabled", not "acpi.0.disabled". Are you sure you
> > wrote the correct command? You do not want to disable the APIC
> > (interrupt controller), but the ACPI (control and power interface).
>=20
> hint.acpi.0.disabled=3D"1" - 11.13.1.
> Then set:
> panic: running without device atpic requires a local APIC

Most modern hardware won't boot without ACPI. But I can get my Lenovo
E485 to boot with Linux and FreeBSD if I disable IOMMU aupport in the
BIOS / UEFI.

--=20
Homepage: https://www.yamagi.org
Github:   https://github.com/yamagi
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