[Bug 252626] ixl: panic on attach of X722 on-motherboard interfaces

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252626

--- Comment #9 from Santiago Martinez <sm@codenetworks.net> ---
Hi Vincenzo, 

I think there are multiple issues, that maybe need to be handled separately.

Current setup:
OS: 13.1-RELEASE
Card: Ethernet Connection X722 for 10GBASE-T

With stock kernel ixl driver: 
1- NO-SRIOV - ethernet card works, port comes up and connectivity looks ok. 
2- SRIOV - when iovctl -C -f /etc/iovctl.conf is executed, then kernel panics. 


With ixl driver from ports:
Version: ixl 1.12.2
boot loader: ixl_updated_load="YES":

1- NO-SRIOV - when ethernet ports come up (ifconfig up) there is a panic.
There seems to be related to a problem with NETMAP, please see:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264809. Recompiling the
driver from ports with netmap support disabled, makes the trick for bot
NO-SRIOV and SRIOV (at least for me)

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