The same problem with redirection to /dev/null seems also to be present in /usr/lib/dkms/common.postinst, causing hangs on upgrades...
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to dkms in Ubuntu. https://bugs.launchpad.net/bugs/1775672 Title: virtualbox-dkms installation hangs in 18.04 (with secure boot) Status in DKMS: New Status in dkms package in Ubuntu: Confirmed Bug description: apt install virtualbox hangs during virtualbox-dkms installation: # apt install virtualbox Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: dkms libgsoap-2.8.60 libqt5opengl5 libqt5printsupport5 libvncserver1 virtualbox-dkms virtualbox-qt Suggested packages: menu vde2 virtualbox-guest-additions-iso The following NEW packages will be installed: dkms libgsoap-2.8.60 libqt5opengl5 libqt5printsupport5 libvncserver1 virtualbox virtualbox-dkms virtualbox-qt 0 upgraded, 8 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/27.0 MB of archives. After this operation, 117 MB of additional disk space will be used. Do you want to continue? [Y/n] y Selecting previously unselected package dkms. (Reading database ... 185903 files and directories currently installed.) Preparing to unpack .../0-dkms_2.3-3ubuntu9.1_all.deb ... Unpacking dkms (2.3-3ubuntu9.1) ... Selecting previously unselected package libgsoap-2.8.60:amd64. Preparing to unpack .../1-libgsoap-2.8.60_2.8.60-2build1_amd64.deb ... Unpacking libgsoap-2.8.60:amd64 (2.8.60-2build1) ... Selecting previously unselected package libqt5opengl5:amd64. Preparing to unpack .../2-libqt5opengl5_5.9.5+dfsg-0ubuntu1_amd64.deb ... Unpacking libqt5opengl5:amd64 (5.9.5+dfsg-0ubuntu1) ... Selecting previously unselected package libqt5printsupport5:amd64. Preparing to unpack .../3-libqt5printsupport5_5.9.5+dfsg-0ubuntu1_amd64.deb ... Unpacking libqt5printsupport5:amd64 (5.9.5+dfsg-0ubuntu1) ... Selecting previously unselected package libvncserver1:amd64. Preparing to unpack .../4-libvncserver1_0.9.11+dfsg-1ubuntu1_amd64.deb ... Unpacking libvncserver1:amd64 (0.9.11+dfsg-1ubuntu1) ... Selecting previously unselected package virtualbox-dkms. Preparing to unpack .../5-virtualbox-dkms_5.2.10-dfsg-6_all.deb ... Unpacking virtualbox-dkms (5.2.10-dfsg-6) ... Selecting previously unselected package virtualbox. Preparing to unpack .../6-virtualbox_5.2.10-dfsg-6_amd64.deb ... Unpacking virtualbox (5.2.10-dfsg-6) ... Selecting previously unselected package virtualbox-qt. Preparing to unpack .../7-virtualbox-qt_5.2.10-dfsg-6_amd64.deb ... Unpacking virtualbox-qt (5.2.10-dfsg-6) ... Setting up libvncserver1:amd64 (0.9.11+dfsg-1ubuntu1) ... Processing triggers for mime-support (3.60ubuntu1) ... Processing triggers for ureadahead (0.100.0-20) ... Processing triggers for desktop-file-utils (0.23-1ubuntu3) ... Setting up libqt5printsupport5:amd64 (5.9.5+dfsg-0ubuntu1) ... Setting up libqt5opengl5:amd64 (5.9.5+dfsg-0ubuntu1) ... Processing triggers for bamfdaemon (0.5.3+18.04.20180207.2-0ubuntu1) ... Rebuilding /usr/share/applications/bamf-2.index... Setting up libgsoap-2.8.60:amd64 (2.8.60-2build1) ... Setting up dkms (2.3-3ubuntu9.1) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... Processing triggers for systemd (237-3ubuntu10) ... Processing triggers for man-db (2.8.3-2) ... Processing triggers for shared-mime-info (1.9-2) ... Processing triggers for gnome-menus (3.13.3-11ubuntu1) ... Processing triggers for hicolor-icon-theme (0.17-2) ... Setting up virtualbox-dkms (5.2.10-dfsg-6) ... Loading new virtualbox-5.2.10 DKMS files... Building for 4.15.0-22-generic Progress: [ 85%] [#################################################.........] $ dpkg -l | grep virtualbox ii unity-scope-virtualbox 0.1+13.10.20130723-0ubuntu1 all VirtualBox scope for Unity iU virtualbox 5.2.10-dfsg-6 amd64 x86 virtualization solution - base binaries iF virtualbox-dkms 5.2.10-dfsg-6 all x86 virtualization solution - kernel module sources for dkms iU virtualbox-qt 5.2.10-dfsg-6 amd64 x86 virtualization solution - Qt based user interface $ $ lsb_release -rd Description: Ubuntu 18.04 LTS Release: 18.04 $ $ apt-cache policy virtualbox-dkms virtualbox-dkms: Installed: 5.2.10-dfsg-6 Candidate: 5.2.10-dfsg-6 Version table: *** 5.2.10-dfsg-6 500 500 http://us.archive.ubuntu.com/ubuntu bionic/multiverse amd64 Packages 500 http://us.archive.ubuntu.com/ubuntu bionic/multiverse i386 Packages 100 /var/lib/dpkg/status $ apt-cache policy dkms dkms: Installed: 2.3-3ubuntu9.1 Candidate: 2.3-3ubuntu9.1 Version table: *** 2.3-3ubuntu9.1 500 500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages 100 /var/lib/dpkg/status 2.3-3ubuntu9 500 500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages 500 http://us.archive.ubuntu.com/ubuntu bionic/main i386 Packages $ What I expected to happen: successfully install the package & dependencies What happened instead: installation stalled at 85% To manage notifications about this bug go to: https://bugs.launchpad.net/dkms/+bug/1775672/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp