Date: Fri, 13 Mar 2020 12:06:14 +1000 From: Peter Grehan <grehan@freebsd.org> To: =?UTF-8?B?6Yqt5LiH5qOa?= <wanpengqian@gmail.com> Cc: FreeBSD virtualization <freebsd-virtualization@freebsd.org> Subject: Re: Passthru a VF to Windows guest cause BSOD, chelsio T520BT, SR-IOV Message-ID: <8357fd6d-d02d-76bb-712a-e5c330ecf434@freebsd.org> In-Reply-To: <CANBJ%2BxRrBw%2BFJ_NPfopnRygH3xVhQ4OzQ0as6d3AdowH7NJsmA@mail.gmail.com> References: <CANBJ%2BxRrBw%2BFJ_NPfopnRygH3xVhQ4OzQ0as6d3AdowH7NJsmA@mail.gmail.com>
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> When I pass the same VF1 to Windows 10 guest, ver 1909, the guest got > BSOD during installation. I also try to add VF1 post installation. > also got BSOD. > the message is IRQL_NOT_LESS_OR_EQUAL. > I also try Windows server 2012, during installation of Chelsio Driver, BSOD too. > > Any suggestions? driver issue or bhyve issue? Can you try disabling APIC acceleration (which should be available on that Xeon E5) ? This can be done on the fly using kenv and unloading/reloading vmm.ko (or loader.conf and rebooting) kenv hw.vmm.vmx.use_tpr_shadowing=0 kldunload vmm kldload vmm later, Peter.
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