As seen in http://autobuilder.yoctoproject.org:8011/builders/nightly-mips/builds/131/steps/Publishing%20Layer%20Tarballs/logs/stdio: md5sum: poky-d6cc4edb533b196753cf90820d1e2b9ccd8fed7c.tar.gz: No such file or directory sending incremental file list poky-d6cc4edb533b196753cf90820d1e2b9ccd8fed7c.tar.bz2 poky-d6cc4edb533b196753cf90820d1e2b9ccd8fed7c.tar.bz2.md5sum poky-d6cc4edb533b196753cf90820d1e2b9ccd8fed7c.tar.gz.md5sum rsync: chgrp "/srv/www/vhosts/autobuilder.yoctoproject.org/pub/nightly/20130508-2/.poky-d6cc4edb533b196753cf90820d1e2b9ccd8fed7c.tar.bz2.j2MN3u" failed: Invalid argument (22) rsync: chgrp "/srv/www/vhosts/autobuilder.yoctoproject.org/pub/nightly/20130508-2/.poky-d6cc4edb533b196753cf90820d1e2b9ccd8fed7c.tar.bz2.md5sum.9TSrUw" failed: Invalid argument (22) rsync: chgrp "/srv/www/vhosts/autobuilder.yoctoproject.org/pub/nightly/20130508-2/.poky-d6cc4edb533b196753cf90820d1e2b9ccd8fed7c.tar.gz.md5sum.vIxDLy" failed: Invalid argument (22) It tries to md5sum a tar.gz but the rsync shows that it has a tar.bz2. Also rsync's chgrp calls are failing which makes me thing the target fs is something lame, if so then adding --no-group should stop that happening.
The tar.gz archives weren't actually created, that's fixed now. The rsync issue however I don't know what causes it, might be something NFS related. http://autobuilder.yoctoproject.org:8011/builders/nightly-ppc/builds/133/steps/Publishing%20Layer%20Tarballs_1/logs/stdio
rsync issue was NFS related. This should be fixed now.