Date: Mon, 16 Mar 2020 16:33:40 +0900 From: Wanpeng Qian <wanpengqian@gmail.com> To: FreeBSD virtualization <freebsd-virtualization@freebsd.org> Subject: Re: bhyve: Passthru second port of i350-T2 to Windows cause system crash. Message-ID: <CANBJ%2BxStzQF4qmeCrA370Ks1WjMwixD%2BPdhF=uBy4m_uktD5tQ@mail.gmail.com> In-Reply-To: <CANBJ%2BxQWQHh1-xQ=URZKMz3xAT_LF8jg-nenmrwiO3yA89bU9Q@mail.gmail.com> References: <CANBJ%2BxQWQHh1-xQ=URZKMz3xAT_LF8jg-nenmrwiO3yA89bU9Q@mail.gmail.com>
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I found a commit relate to VT-d, I will try this patch first. https://reviews.freebsd.org/rS349184 On Mon, Mar 16, 2020 at 2:33 PM Wanpeng Qian <wanpengqian@gmail.com> wrote: > > Hello all > > I am using FreeBSD 12.1R + patch > https://reviews.freebsd.org/D20531 > > Without D20531 patch, I can passthru this first port of i350-T2 > to a Linux vm. > and with the Patch, I can passthough the second port to A windows > VM. it works. > > about several minutes later, system crash. I reset the sever via IPMI. > the last dmesg keep. see the attached file. > > I sometimes get such error duing the passthrough in FreeBSD 12.1 > without passthrough(with/without patch), the system is stable. > and I run ESXi with passthough also. pretty stable for months without reboot. > > any idea? am I doing something wrong? > I think I am separate the iommu group to different vm? > how to check the iommu group in FreeBSD? > > Thanks.
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