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.
demsg20200316.log
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