[Bug 845] Received disconnect from ???: 2: Corrupted MAC on input.

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=845

--- Comment #21 from Darren Tucker <dtucker at dtucker.net> ---
Another thing found to cause this in at least one case: ssh's
hardware-accelerated GCM (aes128-gcm at openssh.com) running on the same
CPU (a Xeon E5-2620 v4) as a hardware-accelerated sha1sum process. 
Switching the ssh session to chacha20-poly1305 at openssh.com worked
around the problem (presumably since it avoids HW acceleration
entirely).

The error message has change due to some refactoring
("ssh_dispatch_run_fatal: Connection to [...] port 22: message
authentication code incorrect") but it means the same thing.

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