[Bug 240608] if_vmx(4): iflib - Panic with INVARIANTS: Memory modified after free (12.1-pre-QA)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Oct 14 18:44:47 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240608

--- Comment #6 from Harald Schmalzbauer <bugzilla.freebsd at omnilan.de> ---
(In reply to Kubilay Kocak from comment #5)

As far as I could briefly test (some iperf3 streams), using if_vmx(4) does
_not_ lead to panic if frames are <= 4k (and interface MTU is set to 9000).

Also, using if_igb(4) with interface MTU of 9000 and frames as big as 9k is
working fine with FreeBSD-12_RC1.

Maybe 240700-block can be released if man page mentions the 4k frame size
limit?

Thanks,
-harry

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