I see here some of the commenters showing a kernel OOPS. Although they are a bit different, some of them report a kernel trace; the common piece is a call to sys_sync.
I wonder if all of you have remote filesystems (like NFS), or USB- mounted disc devices. ** Changed in: dpkg (Ubuntu) Status: New => Incomplete ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags added: sync -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/624229 Title: dpkg hangs while unpacking replacement -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs