[Bug 237010] mlx5 with LACP can stop work with vlanhwfilter enabled

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237010

--- Comment #4 from Andrey V. Elsukov <ae at FreeBSD.org> ---
(In reply to Hans Petter Selasky from comment #3)
> Are you using so-called prio-tagged traffic on any non-vlan interfaces?
> Refer to pcp option as printed by ifconfig.
> 
> In the case the RX queue gets full, there is a receive path watchdog which
> should ensure that the RX queue doesn't stall. You have not removed this
> watchdog in your patches?

No, we use patches mostly to make automatic binding to CPU cores depending from
specified in loader.conf configuration. As I said the problem disappeared when
vlanhwfilter was disabled on interfaces in run-time.

> What firmware revision are you using?
> 
> sysctl dev.mlx5_core.<N>.hw.fw_version

I think version may differs. The last machine where problem happened has this
dev.mlx5_core.0.hw.fw_version: 14.17.2032

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