[Bug 251462] Failing transfers over nfsv4 with krb5i on CPU with SHA acceleration

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Fri Dec 18 19:55:43 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251462

--- Comment #2 from Žilvinas Žaltiena <zaltys at inbox.ru> ---
If nfsd on FreeBSD is explicitly limited to single thread, i.e. rc.conf with:

nfs_server_flags="-t -n 1"

then transfers succeed with kr5i/krb5p and aesni module loaded even if linux
client does not use sync mount option. If thread count is set to > 1, original
problem reappears. Some sort of thread safety / locking issue in sha part of
aesni module?

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