Package: pbuilder Version: 0.228.6~bpo8+1 Recent backport update of pbuilder/0.228.6~bpo8+1 cannot umount chroot cleanly on jessie:
dpkg-buildpackage: info: full upload (original source is included) I: copying local configuration I: Copying back the cached apt archive contents I: unmounting dev/pts filesystem I: unmounting dev/shm filesystem I: unmounting proc filesystem I: unmounting sys filesystem E: Something is still mounted under /tmp/pbuilder/10524; unmount and remove /tmp/pbuilder/10524 manually I: Current time: Fri Mar 24 21:32:45 CST 2017 I: pbuilder-time-stamp: 1490362365 Regards, Aron