### Please describe the problem.

Getting a file from a read-only remote fails with the following error:

[[!format sh """
$ git annex get somefile.avi
get somefile.avi (from some.repo...)
git-annex: ../../../home/annex/repo/.git/annex/transfer/upload/9bxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxb4/lck.SHA256E-sxxxxxxx52--xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx8c.avi: openFd: does not exist (No su
ch file oprotocol version mismatch -- is your shell clean?
(see the rsync man page for an explanation)
rsync error: protocol incompatibility (code 2) at compat.c(176) [Receiver=3.1.1]
r directory)
git-annex-shell: sendkey: 1 failed

  rsync failed -- run git annex again to resume file transfer

  Unable to access these remotes: some.repo

  Try making some of these repositories available:
        xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx -- [some.repo]
failed
git-annex: get: 1 failed
"""]]

### What version of git-annex are you using? On what operating system?

Locally git-annex 5.20141125 on debian/jessie, remotely 5.20150727 on FreeBSD.

### Please provide any additional information below.

Using `ps` I got the command executed on the remote side. Running it directly gives:

[[!format sh """
$ git-annex-shell sendkey /home/annex/repo SHA256E-sxxxxxxx52--xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx8c.avi --uuid 9axxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxde -- remoteuuid=9bxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxb4 direct= associatedfile=somefile.avi -- dummy rsync --server --sender -pe.Lsfx --inplace . .
git-annex: ../../../home/annex/repo/.git/annex/transfer/upload/9bxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxb4/lck.SHA256E-sxxxxxxx52--xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx8c.avi: openFd: does not exist (No such file or directory)
failed
git-annex-shell: sendkey: 1 failed
"""]]

The remote repository is marked as read-only. The user on the remote has only read-only access to the git-annex repository.

### Have you had any luck using git-annex before? (Sometimes we get tired of reading bug reports all day and a lil' positive end note does wonders)

Yes! :-) Despite this, everything works like a charm with several repos on different OSs with lots of data. Thanks for this great tool!

> [[fixed|done]] --[[Joey]]

If others are in the same situation as me here, note that you only need to upgrade the server side of things to resolve this. The backports from neurodebian work it, you need something at least 6.201602XX. --[[anarcat]]