This happens with aptDaemon too, but I can't recall the bug number right now. It seems to be related to the fact of not having a terminal output. But after some tests I and Matthias did we could not conclude anything yet.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/680328 Title: Many postinst scripts fail using either PackageKit or QApt -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs