From owner-freebsd-virtualization@freebsd.org  Wed Mar 31 20:02:12 2021
Return-Path: <owner-freebsd-virtualization@freebsd.org>
Delivered-To: freebsd-virtualization@mailman.nyi.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.nyi.freebsd.org (Postfix) with ESMTP id 8ED125AE234
 for <freebsd-virtualization@mailman.nyi.freebsd.org>;
 Wed, 31 Mar 2021 20:02:12 +0000 (UTC)
 (envelope-from khng@FreeBSD.org)
Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83])
 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
 key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256
 client-signature RSA-PSS (4096 bits) client-digest SHA256)
 (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 4F9cfX3gygz4YrG;
 Wed, 31 Mar 2021 20:02:12 +0000 (UTC)
 (envelope-from khng@FreeBSD.org)
Received: from Kas-MacBook-Pro.lan (unknown
 [IPv6:2001:470:f816:0:f523:df21:9e7f:8cba])
 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
 (Client did not present a certificate)
 (Authenticated sender: khng/mail)
 by smtp.freebsd.org (Postfix) with ESMTPSA id C3CA5B5D6;
 Wed, 31 Mar 2021 20:02:11 +0000 (UTC)
 (envelope-from khng@FreeBSD.org)
To: Oleg Ginzburg <olevole@olevole.ru>, freebsd-virtualization@freebsd.org
References: <CAMsb+mZtH3b_hhe=fmGY-1Y4Wa8Na+LzQy8sOhvhs1Dv9S-mzQ@mail.gmail.com>
From: Ka Ho Ng <khng@FreeBSD.org>
Subject: Re: recent changed in vmm lead to panic: AMD, ivhd_setup_intr
Message-ID: <51113310-d4f3-a38a-b3cb-bd8d55a280cc@FreeBSD.org>
Date: Thu, 1 Apr 2021 04:02:09 +0800
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0)
 Gecko/20100101 Thunderbird/78.9.0
MIME-Version: 1.0
In-Reply-To: <CAMsb+mZtH3b_hhe=fmGY-1Y4Wa8Na+LzQy8sOhvhs1Dv9S-mzQ@mail.gmail.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-GB
Content-Transfer-Encoding: 8bit
X-BeenThere: freebsd-virtualization@freebsd.org
X-Mailman-Version: 2.1.34
Precedence: list
List-Id: "Discussion of various virtualization techniques FreeBSD supports."
 <freebsd-virtualization.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-virtualization>, 
 <mailto:freebsd-virtualization-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-virtualization/>
List-Post: <mailto:freebsd-virtualization@freebsd.org>
List-Help: <mailto:freebsd-virtualization-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization>, 
 <mailto:freebsd-virtualization-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 31 Mar 2021 20:02:12 -0000

On 4/1/21 2:59 am, Oleg Ginzburg wrote:
> Hi,
> 
> Over the past two weeks some changes appeared, which lead to a panic 
> while trying to load the VMM kernel module.
> 
> Kernel and revision with which everything was fine:
> FreeBSD 14.0-CURRENT #0 main-n245511-a771bf748f9: Thu Mar 18 06:35:21 
> UTC 2021
> 
> Latest builds get panic: https://paste.pics/C2FOS <https://paste.pics/C2FOS>
> 
> CPU: AMD Ryzen 7 PRO 3700U w/ Radeon Vega Mobile Gfx (2295.74-MHz 
> K8-class CPU)
> ( Thinkpad t495s )
> 

Could I have your output of pciconf -lc pci0:0:0:2 and other IOMMU 
subclass devices, and also the ACPI ivrs table? You could generate the 
ivrs table dump by /usr/local/bin/acpidump -b, and the table will be 
available as ivrs.dat in the current directory.

Ka Ho