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Date:      Thu, 1 Apr 2021 04:02:09 +0800
From:      Ka Ho Ng <khng@FreeBSD.org>
To:        Oleg Ginzburg <olevole@olevole.ru>, freebsd-virtualization@freebsd.org
Subject:   Re: recent changed in vmm lead to panic: AMD, ivhd_setup_intr
Message-ID:  <51113310-d4f3-a38a-b3cb-bd8d55a280cc@FreeBSD.org>
In-Reply-To: <CAMsb%2BmZtH3b_hhe=fmGY-1Y4Wa8Na%2BLzQy8sOhvhs1Dv9S-mzQ@mail.gmail.com>
References:  <CAMsb%2BmZtH3b_hhe=fmGY-1Y4Wa8Na%2BLzQy8sOhvhs1Dv9S-mzQ@mail.gmail.com>

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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



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