The problem still exists in

ii  linux-image-generic            2.6.31.14.27
Generic Linux kernel image

…and I just discovered that it is even worse than previously thought.
The bug introduces silent data corruption.

I was just trying to update my backup (this time over Ethernet instead
of WLAN, because I added a lot of data) but it never remotely finished
because SSH noticed a data corruption in the network transmission:

debug1: Sending command: rsync --server --sender -vlHogDtprSe.iLs --numeric-ids 
. /mnt/image/
receiving incremental file list
Disconnecting: Corrupted MAC on input.
rsync: connection unexpectedly closed (55356 bytes received so far) [receiver]
rsync error: error in rsync protocol data stream (code 12) at io.c(600) 
[receiver=3.0.6]
rsync: writefd_unbuffered failed to write 5 bytes to socket [generator]: Broken 
pipe (32)
rsync error: unexplained error (code 255) at io.c(1525) [generator=3.0.6]

Of course, the problem disappeared after I deactivated gso.

-- 
Broadcom BCM5906M ethernet adapter (tg3) hangs under heavy tcp load 
(bittorrent) when generic segmentation offload (gso) is in use
https://bugs.launchpad.net/bugs/404708
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