Page fault when using IPsec with AESNI enabled on 9.0-RELEASE

[Alex]

Hi there. I am running FreeBSD 9.0-RELEASE-p1 #18 r235095 amd64 and am
experiencing a reproducible page fault when using IPsec with "device
aesni" enabled. Strongswan successfully negotiates the SAs and uses
aes256 for ESP, however once a packet is sent, the page fault occurs.
This does not happen when aesni is disabled. I have a core dump, the
text of which is attached to this email.

Should I file a PR for this? Thanks.

--
Alex
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