error: Error -3 while decompressing: invalid stored block lengths (lp:#986238)

[Original report](https://bugs.launchpad.net/bugs/986238) created by **Florian Brucker (mail-florianbrucker)**
```
I just received the following error:

-----

Using archive dir:
/home/torf/.cache/duplicity/2de918c23d86e0fa0189a54725b21ec2
Using backup name: 2de918c23d86e0fa0189a54725b21ec2
Import of duplicity.backends.botobackend Succeeded
Import of duplicity.backends.tahoebackend Succeeded
Import of duplicity.backends.ftpsbackend Succeeded
Import of duplicity.backends.sshbackend Succeeded
Import of duplicity.backends.giobackend Succeeded
Import of duplicity.backends.ftpbackend Succeeded
Import of duplicity.backends.hsibackend Succeeded
Import of duplicity.backends.imapbackend Succeeded
Import of duplicity.backends.rsyncbackend Succeeded
Import of duplicity.backends.localbackend Succeeded
Import of duplicity.backends.webdavbackend Succeeded
Import of duplicity.backends.cloudfilesbackend Succeeded
Main action: inc
================================================================================
duplicity 0.6.13 (April 02, 2011)
Args: /usr/bin/duplicity -v9 --full-if-older-than 3M --volsize 100 --log-
file /var/backups/torf/duplicity_20120420172108.log --encrypt-key XXXXX
--exclude /home/torf/tmp --exclude /home/torf/restore --exclude
/home/torf/files --include /home/torf/.thunderbird --exclude
/home/torf/.mozilla/firefox/zjtevog8.default/Cache --include
/home/torf/.mozilla --include /home/torf/.config  --include
/home/torf/.liferea_1.6 --include /home/torf/.vim --exclude
/home/torf/.*/** /home/torf file:///var/backups/torf
Linux erdoes 2.6.38-14-generic #58-Ubuntu SMP Tue Mar 27 18:48:46 UTC 2012
i686 i686
/usr/bin/python 2.7.1+ (r271:86832, Apr 11 2011, 18:05:24)
[GCC 4.5.2]
================================================================================
Using temporary directory /tmp/duplicity-dKBAtj-tempdir
Registering (mkstemp) temporary file /tmp/duplicity-dKBAtj-tempdir/mkstemp-
yu29om-1
Temp has 172491423744 available, backup will use approx 136314880.
Local and Remote metadata are synchronized, no sync needed.
357 files exist on backend
8 files exist in cache
Extracting backup chains from list of files: ['duplicity-
full.20120111T214136Z.vol98.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol14.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol54.difftar.gpg', 'duplicity-full-
signatures.20120411T124231Z.sigtar.gpg', 'duplicity-
full.20120411T124231Z.vol15.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol17.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol29.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol9.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol75.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol93.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol42.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol65.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol73.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol99.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol59.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol99.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol10.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol34.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol47.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol49.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol51.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol79.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol102.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol1.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol101.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol31.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol39.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol19.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol22.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol42.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol103.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol14.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol112.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol74.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol20.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol49.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol97.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol27.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol57.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol105.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol101.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol8.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol72.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol80.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol46.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol91.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol100.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol39.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol57.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol90.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol99.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol34.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol23.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol16.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol111.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol60.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol110.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol92.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol107.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol55.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol82.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol32.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol111.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol15.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol104.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol78.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol83.difftar.gpg', 'duplicity-
inc.20120214T191617Z.to.20120403T181622Z.vol1.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol52.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol29.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol69.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol37.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol62.difftar.gpg',
'duplicity_20120411144230.log', 'duplicity-
full.20120111T214136Z.vol48.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol31.difftar.gpg', 'duplicity-
inc.20120214T191617Z.to.20120403T181622Z.manifest.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol2.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol73.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol13.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol3.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol96.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol28.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol72.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol71.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol103.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol18.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol104.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol5.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol22.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol74.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol9.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol109.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol53.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol37.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol11.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol66.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol27.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol64.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol23.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol23.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol56.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol88.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol91.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol92.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol86.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol112.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol38.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol49.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol4.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol62.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol26.difftar.gpg',
'duplicity_20120420171459.log', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol58.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol44.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol25.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol98.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol5.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol60.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol43.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol48.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol90.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol13.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol78.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol18.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol117.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol94.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol54.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol63.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol102.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol114.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol98.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol43.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol56.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol27.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol92.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol52.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol113.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol82.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol30.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol81.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol87.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol25.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol16.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol46.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol100.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol83.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol115.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol11.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol46.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.manifest.gpg', 'duplicity-
full.20120111T214136Z.vol106.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol24.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol53.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol22.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol40.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol83.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol70.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol61.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol50.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol101.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol79.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol3.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol96.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol119.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol36.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol95.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol7.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol88.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol64.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol117.difftar.gpg', 'duplicity_20120403201622.log',
'duplicity-full.20120411T124231Z.vol54.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol32.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol85.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol65.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol108.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol10.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol41.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol86.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol12.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol113.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol26.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol44.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol31.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol16.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol13.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol42.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol4.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol74.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol29.difftar.gpg', 'duplicity_20120420172108.log',
'duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol59.difftar.gpg',
'duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol34.difftar.gpg',
'duplicity-full.20120411T124231Z.vol85.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol8.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol9.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol68.difftar.gpg', 'duplicity_20120111224136.log',
'duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol19.difftar.gpg',
'duplicity-full.20120111T214136Z.vol10.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol30.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol18.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol79.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol116.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol32.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol36.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol35.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol20.difftar.gpg', 'duplicity_20120420171804.log',
'duplicity-new-signatures.20120214T191617Z.to.20120403T181622Z.sigtar.gpg',
'duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol68.difftar.gpg',
'duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol51.difftar.gpg',
'duplicity-full.20120111T214136Z.vol14.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol93.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol71.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol6.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol6.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol68.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol12.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol12.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol35.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol2.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol76.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol51.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol55.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol115.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol38.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol45.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol2.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol61.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol89.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol45.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol55.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol4.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol67.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol84.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol3.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol21.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol17.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol84.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol85.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol33.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol61.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol77.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol24.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol81.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol21.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol44.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol106.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol70.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol67.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol53.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol81.difftar.gpg', 'duplicity-full-
signatures.20120111T214136Z.sigtar.gpg', 'duplicity-
full.20120411T124231Z.vol107.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol80.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol118.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol19.difftar.gpg', 'duplicity-new-
signatures.20120111T214136Z.to.20120214T191617Z.sigtar.gpg', 'duplicity-
full.20120111T214136Z.vol5.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol59.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol15.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol36.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol11.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol116.difftar.gpg', 'duplicity_20120420172057.log',
'duplicity-full.20120111T214136Z.vol35.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol105.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol1.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol109.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol28.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol100.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol94.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol84.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol52.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol63.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol77.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol110.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol58.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol70.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol89.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol37.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol93.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol25.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol80.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol43.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol96.difftar.gpg', 'duplicity_20120214201617.log',
'duplicity-full.20120111T214136Z.vol97.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol89.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol24.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol7.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol47.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol38.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol41.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol39.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol120.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol75.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol47.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol56.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol95.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol77.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol6.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol86.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol57.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol50.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol63.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol65.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol7.difftar.gpg', 'duplicity-
full.20120411T124231Z.manifest.gpg', 'duplicity-
full.20120111T214136Z.vol33.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol90.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol87.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol64.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol66.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol8.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol28.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol69.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol33.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol78.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol58.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol1.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol67.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol17.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol66.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol21.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol108.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol97.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol95.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol26.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol69.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol62.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol72.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol102.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol73.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol103.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol41.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol40.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol82.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol40.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol91.difftar.gpg', 'duplicity-
full.20120111T214136Z.manifest.gpg', 'duplicity-
full.20120411T124231Z.vol76.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol60.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol88.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol45.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol94.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol87.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol71.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol20.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol48.difftar.gpg', 'duplicity-
full.20120111T214136Z.vol30.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol75.difftar.gpg', 'duplicity-
inc.20120111T214136Z.to.20120214T191617Z.vol76.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol114.difftar.gpg', 'duplicity-
full.20120411T124231Z.vol50.difftar.gpg']
File duplicity-full.20120111T214136Z.vol98.difftar.gpg is not part of a
known set; creating new set
File duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol14.difftar.gpg
is not part of a known set; creating new set
File duplicity-full.20120111T214136Z.vol54.difftar.gpg is part of known set
File duplicity-full-signatures.20120411T124231Z.sigtar.gpg is not part of a
known set; creating new set
Ignoring file (rejected by backup set) 'duplicity-full-
signatures.20120411T124231Z.sigtar.gpg'
File duplicity-full.20120411T124231Z.vol15.difftar.gpg is not part of a
known set; creating new set
File duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol17.difftar.gpg
is part of known set
File duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol29.difftar.gpg
is part of known set
File duplicity-full.20120111T214136Z.vol9.difftar.gpg is part of known set
File duplicity-full.20120411T124231Z.vol75.difftar.gpg is part of known set
File duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol93.difftar.gpg
is part of known set
File duplicity-full.20120411T124231Z.vol42.difftar.gpg is part of known set
File duplicity-full.20120411T124231Z.vol65.difftar.gpg is part of known set
File duplicity-full.20120411T124231Z.vol73.difftar.gpg is part of known set
File duplicity-full.20120411T124231Z.vol99.difftar.gpg is part of known set
File duplicity-full.20120411T124231Z.vol59.difftar.gpg is part of known set
File duplicity-full.20120111T214136Z.vol99.difftar.gpg is part of known set
File duplicity-full.20120411T124231Z.vol10.difftar.gpg is part of known set
File duplicity-full.20120111T214136Z.vol34.difftar.gpg is part of known set
File duplicity-full.20120411T124231Z.vol47.difftar.gpg is part of known set
File duplicity-full.20120111T214136Z.vol49.difftar.gpg is part of known set
File duplicity-full.20120411T124231Z.vol51.difftar.gpg is part of known set
File duplicity-full.20120111T214136Z.vol79.difftar.gpg is part of known set
File duplicity-full.20120111T214136Z.vol102.difftar.gpg is part of known
set
File duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol1.difftar.gpg is
part of known set
File duplicity-full.20120111T214136Z.vol101.difftar.gpg is part of known
set
File duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol31.difftar.gpg
is part of known set
File duplicity-full.20120111T214136Z.vol39.difftar.gpg is part of known set
File duplicity-full.20120111T214136Z.vol19.difftar.gpg is part of known set
File duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol22.difftar.gpg
is part of known set
File duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol42.difftar.gpg
is part of known set
File duplicity-inc.20120111T214136Z.to.20120214T191617Z.vol103.difftar.gpg
is part of known set

...

Selecting /home/torf/docs/photos/2005/2005 - Konstanz im Nebel/2005 -
Konstanz im Nebel - 20.jpg
Comparing ('docs', 'photos', '2005', '2005 - Konstanz im Nebel', '2005 -
Konstanz im Nebel - 20.jpg') and ('docs', 'photos', '2005', '2005 -
Konstanz im Nebel', '2005 - Konstanz im Nebel - 20.jpg')
Selecting /home/torf/docs/photos/2005/2005 - Konstanz im Nebel/2005 -
Konstanz im Nebel - 21.jpg
Comparing ('docs', 'photos', '2005', '2005 - Konstanz im Nebel', '2005 -
Konstanz im Nebel - 21.jpg') and ('docs', 'photos', '2005', '2005 -
Konstanz im Nebel', '2005 - Konstanz im Nebel - 21.jpg')
Selecting /home/torf/docs/photos/2005/2005 - Konstanz im Nebel/2005 -
Konstanz im Nebel - 22.jpg
Comparing ('docs', 'photos', '2005', '2005 - Konstanz im Nebel', '2005 -
Konstanz im Nebel - 22.jpg') and ('docs', 'photos', '2005', '2005 -
Konstanz im Nebel', '2005 - Konstanz im Nebel - 22.jpg')
Selecting /home/torf/docs/photos/2005/2005 - Konstanz im Nebel/2005 -
Konstanz im Nebel - 23.jpg
Comparing ('docs', 'photos', '2005', '2005 - Konstanz im Nebel', '2005 -
Konstanz im Nebel - 23.jpg') and ('docs', 'photos', '2005', '2005 -
Konstanz im Nebel', '2005 - Konstanz im Nebel - 23.jpg')
Selecting /home/torf/docs/photos/2005/2005 - Konstanz im Nebel/2005 -
Konstanz im Nebel - 24.jpg
Comparing ('docs', 'photos', '2005', '2005 - Konstanz im Nebel', '2005 -
Konstanz im Nebel - 24.jpg') and ('docs', 'photos', '2005', '2005 -
Konstanz im Nebel', '2005 - Konstanz im Nebel - 24.jpg')
Selecting /home/torf/docs/photos/2005/2005 - Konstanz im Nebel/2005 -
Konstanz im Nebel - 25.jpg
Removing still remembered temporary file /tmp/duplicity-dKBAtj-
tempdir/mktemp-PwMbhN-2
Removing still remembered temporary file /tmp/duplicity-dKBAtj-
tempdir/mkstemp-yu29om-1
Removing still remembered temporary file /tmp/duplicity-dKBAtj-
tempdir/mktemp-kBoce9-3
Removing still remembered temporary file
/home/torf/.cache/duplicity/2de918c23d86e0fa0189a54725b21ec2/duplicity-1cdzAp-
tempdir/mktemp-pU_o3W-1
Removing still remembered temporary file
/home/torf/.cache/duplicity/2de918c23d86e0fa0189a54725b21ec2/duplicity-
emVNgX-tempdir/mktemp-bJyoep-1
-----

Here's the output to STDERR:

-----
Traceback (most recent call last):
  File "/usr/bin/duplicity", line 1265, in <module>
    with_tempdir(main)
  File "/usr/bin/duplicity", line 1258, in with_tempdir
    fn()
  File "/usr/bin/duplicity", line 1240, in main
    incremental_backup(sig_chain)
  File "/usr/bin/duplicity", line 488, in incremental_backup
    globals.backend)
  File "/usr/bin/duplicity", line 295, in write_multivol
    globals.gpg_profile, globals.volsize)
  File "/usr/lib/python2.7/dist-packages/duplicity/gpg.py", line 279, in
GPGWriteFile
    data = block_iter.next(min(block_size, bytes_to_go)).data
  File "/usr/lib/python2.7/dist-packages/duplicity/diffdir.py", line 505,
in next
    result = self.process(self.input_iter.next(), size)
  File "/usr/lib/python2.7/dist-packages/duplicity/diffdir.py", line 187,
in get_delta_iter
    for new_path, sig_path in collated:
  File "/usr/lib/python2.7/dist-packages/duplicity/diffdir.py", line 275,
in collate2iters
    relem2 = riter2.next()
  File "/usr/lib/python2.7/dist-packages/duplicity/diffdir.py", line 344,
in combine_path_iters
    refresh_triple_list(triple_list)
  File "/usr/lib/python2.7/dist-packages/duplicity/diffdir.py", line 330,
in refresh_triple_list
    new_triple = get_triple(old_triple[1])
  File "/usr/lib/python2.7/dist-packages/duplicity/diffdir.py", line 316,
in get_triple
    path = path_iter_list[iter_index].next()
  File "/usr/lib/python2.7/dist-packages/duplicity/diffdir.py", line 229,
in sigtar2path_iter
    for tarinfo in tf:
  File "/usr/lib/python2.7/dist-packages/duplicity/tarfile.py", line 1211,
in next
    tarinfo = self.tarfile.next()
  File "/usr/lib/python2.7/dist-packages/duplicity/tarfile.py", line 541,
in next
    self.throwaway_until(self.next_chunk)
  File "/usr/lib/python2.7/dist-packages/duplicity/tarfile.py", line 521,
in throwaway_until
    self.fileobj.read(bufsize)
  File "/usr/lib/python2.7/gzip.py", line 252, in read
    self._read(readsize)
  File "/usr/lib/python2.7/gzip.py", line 303, in _read
    uncompress = self.decompress.decompress(buf)
error: Error -3 while decompressing: invalid stored block lengths
-----

I'm running Ubuntu 11.04, Python 2.7.1+ and duplicity 0.6.13. The target
file system is an ext4.

The last backup completed without problems.

Please tell me if you need more information to investigate this.

Thanks for any help!
```

Story points: 10.0