I realize this is closed. Just adding a few notes from my own experience
since the discussion here has been useful to me. In my case the error
shows up in running "ssh -Y" to a second system, and then starting
"dosemu" on the remote system (which will tunnel to my desktop). The
remote system has an Intel e1000e PCI-E NIC. The local system has a
Marvell PCI-E card.

"sudo ethtool -K eth1 rx off tx off" on the local (Marvell) box avoids
the error, but leaves me wondering if I'm just tolerating corruption.
Does OpenSSH have its own error correction protocol for safety here? The
remote box had had some problems that seemed associated with a different
NIC (an old LinkSys tulip), but that had been a second card on a
different interface, seemingly fixed by swapping in an Intel card. The
remote system has tested find in memtest86 and other stress tests. But
memtest86 doesn't hit 100% of RAM. Makes me wonder if there's RAM going
bad in the range assigned to PCI cards that's simply outside of the
range memtest86 can see - and that's certainly outside the range that
can be tested while booted into Linux.

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https://bugs.launchpad.net/bugs/60764

Title:
  Large file transfer gives error: Corrupted MAC on input

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