Comment 3 for bug 1887373

These are the dpkg processes hanging during the upgrade:

me@PROX15:~$ ps aux | grep dpkg
root 21111 0.0 0.0 24868 14308 pts/7 Ss+ 12:58 0:00 /usr/bin/dpkg --force-overwrite --status-fd 115 --configure --pending
root 21141 0.0 0.0 31500 21100 pts/7 S+ 12:58 0:00 /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/memtest86+.postinst configure 5.01-3ubuntu2

please tell me if more information is needed regarding this issue.