===== Building live filesystems ===== Mon Sep 12 04:24:01 UTC 2016 kubuntu-amd64 on Launchpad starting at 2016-09-12 04:24:01 kubuntu-amd64: https://launchpad.net/~ubuntu-cdimage/+livefs/ubuntu/xenial/kubuntu/+build/75207 kubuntu-i386 on Launchpad starting at 2016-09-12 04:26:35 kubuntu-i386: https://launchpad.net/~ubuntu-cdimage/+livefs/ubuntu/xenial/kubuntu/+build/75208 kubuntu-i386 on Launchpad finished at 2016-09-12 04:44:42 (Successfully built) Unable to contact tracker: kubuntu-amd64 on Launchpad finished at 2016-09-12 04:47:03 (Successfully built) Unable to contact tracker: ===== Syncing Kubuntu mirror ===== Mon Sep 12 04:51:44 UTC 2016 lockfile: Sorry, giving up on "/srv/cdimage.ubuntu.com/etc/.lock-archive-sync" Couldn't acquire archive sync lock! Traceback (most recent call last): File "/srv/cdimage.ubuntu.com/bin/../lib/cdimage/build.py", line 720, in build_image_set_locked sync_local_mirror(config, multipidfile_state) File "/srv/cdimage.ubuntu.com/bin/../lib/cdimage/build.py", line 254, in sync_local_mirror subprocess.check_call(["lockfile", "-r", "4", sync_lock]) File "/usr/lib/python2.7/subprocess.py", line 511, in check_call raise CalledProcessError(retcode, cmd) CalledProcessError: Command '['lockfile', '-r', '4', '/srv/cdimage.ubuntu.com/etc/.lock-archive-sync']' returned non-zero exit status 73