Comment 2 for bug 910186

Sadly, free space isn't the explanation: I retries after freeing 300MB, and I still get a very similar crash. Here's the end of the output, with -v9:

[Same thing for thousands of lines.]
Selecting /<email address hidden>/folders/INBOX/cur/29/40560
Comparing ('evolution.sav', 'mail', 'imapx', '<email address hidden>', 'folders', 'INBOX', 'cur', '29', '40560') and None
Getting delta of (('evolution.sav', 'mail', 'imapx', '<email address hidden>', 'folders', 'INBOX', 'cur', '29', '40560') /<email address hidden>/folders/INBOX/cur/29/40560 reg) and None
A <email address hidden>/folders/INBOX/cur/29/40560
Removing still remembered temporary file /tmp/duplicity-qiicD3-tempdir/mkstemp-Iov4We-1
Removing still remembered temporary file /tmp/duplicity-qiicD3-tempdir/mktemp-_xPGIA-673
GPG error detail: Traceback (most recent call last):
  File "/usr/bin/duplicity", line 1311, in <module>
    with_tempdir(main)
  File "/usr/bin/duplicity", line 1304, in with_tempdir
    fn()
  File "/usr/bin/duplicity", line 1274, in main
    full_backup(col_stats)
  File "/usr/bin/duplicity", line 447, in full_backup
    globals.backend)
  File "/usr/bin/duplicity", line 325, in write_multivol
    globals.gpg_profile, globals.volsize)
  File "/usr/lib64/python2.7/site-packages/duplicity/gpg.py", line 300, in GPGWriteFile
    file.write(data)
  File "/usr/lib64/python2.7/site-packages/duplicity/gpg.py", line 170, in write
    self.gpg_failed()
  File "/usr/lib64/python2.7/site-packages/duplicity/gpg.py", line 182, in gpg_failed
    raise GPGError, msg
GPGError: GPG Failed, see log below:
===== Begin GnuPG log =====
===== End GnuPG log =====

GPGError: GPG Failed, see log below:
===== Begin GnuPG log =====
===== End GnuPG log =====