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Sat, 30 Mar 2019 11:17:41 -0700 (PDT) Received: from rimwks ([2001:470:1f15:3d8:c95:8c12:4f5f:87ba]) by smtp.gmail.com with ESMTPSA id l21sm916437lfh.30.2019.03.30.11.17.39 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sat, 30 Mar 2019 11:17:40 -0700 (PDT) From: Rozhuk Ivan X-Google-Original-From: Rozhuk Ivan Date: Sat, 30 Mar 2019 21:17:36 +0300 To: Darius Mihai Cc: freebsd-hackers@freebsd.org, freebsd-current@freebsd.org Subject: Re: Boot hang on ryzen based notebook Message-ID: <20190330211736.05b39193@rimwks> In-Reply-To: References: <20190330164628.138a2bad@rimwks> <20190330204138.18fe8443@rimwks> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; amd64-portbld-freebsd12.0) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 1004F6F124 X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=VJ/VgQEV; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of rozhukim@gmail.com designates 2a00:1450:4864:20::232 as permitted sender) smtp.mailfrom=rozhukim@gmail.com X-Spamd-Result: default: False [-5.99 / 15.00]; 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MID_RHS_NOT_FQDN(0.50)[] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Mar 2019 18:17:44 -0000 On Sat, 30 Mar 2019 19:49:06 +0200 Darius Mihai wrote: > > > I haven't actually tried with FreeBSD, but Linux also seems to > > > have a similar problem that can be fixed by disabling ACPI. > > > See 11.13.2.3 in > > > https://www.freebsd.org/doc/handbook/acpi-overview.html and tell > > > us how it works. > > > > > > > Panic with hint.apic.0.disabled="1": > > https://bugs.freebsd.org/bugzilla/attachment.cgi?id=203260&action=edit > > > > I try also hw.mca.enabled=0, but it panic on cpu_initclocks_bsp(). > > - "No usable event timer found!" > > 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). hint.acpi.0.disabled="1" - 11.13.1. Then set: panic: running without device atpic requires a local APIC