From owner-freebsd-virtualization@freebsd.org  Wed Mar 31 20:41:09 2021
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Subject: Re: recent changed in vmm lead to panic: AMD, ivhd_setup_intr
To: Oleg Ginzburg <olevole@olevole.ru>
Cc: freebsd-virtualization@freebsd.org
References: <CAMsb+mZtH3b_hhe=fmGY-1Y4Wa8Na+LzQy8sOhvhs1Dv9S-mzQ@mail.gmail.com>
 <51113310-d4f3-a38a-b3cb-bd8d55a280cc@FreeBSD.org>
 <CAMsb+mb+xH6k69LBC-i6v5_BhNQoM5d7fJr9XAhjfj9Xz=ko7w@mail.gmail.com>
From: Ka Ho Ng <khng@FreeBSD.org>
Message-ID: <bbc1e069-c02a-e3e3-0fc9-e5ae1c1f8c9e@FreeBSD.org>
Date: Thu, 1 Apr 2021 04:41:06 +0800
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On 4/1/21 4:36 am, Oleg Ginzburg wrote:
> pci0: <base peripheral, IOMMU> at device 0.2 (no driver attached)

That is the most related cause to the panic. Currently the code assumes 
evaluating a propagated ACPI ivrs table will come with attached amd 
iommu devices as well.

Thanks,
Ka Ho