[Bug 234073] ixl(4): Host X710-DA2 drops connect starting bhyve guest with SR-IOV when not all VFs are in passthrough mode: Malicious Driver Detection event 1 on RX queue X (0x1572)

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 31 May 2022 21:51:04 UTC

--- Comment #24 from benoitc <benoitc@enki-multimedia.eu> ---
I reproduced it on Freebsd 13.0 (all patches). Last uname is 

FreeBSD flower01.domain.tld 13.1-RELEASE FreeBSD 13.1-RELEASE
releng/13.1-n250148-fc952ac2212 GENERIC amd64

I attached the requested files for one of the machine using the ixl driver, I
will attach the logs for the machine using the IX driver ASAP. But so far it is
the same issue.

To reproduce it:

* setup the nic to have the 2 ports setup with 1 tVF with throughtput to true
and 3 others to false.
* Start the system using the exposed VF to the system
* start a bhyve VM using one of the ppt associated to the card.

AT this point the message "Malicious Driver Detection event 1 on RX queue"
starts to be printed in the logs and stderr.

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