Public bug reported: when attempting to upgrade to xenial, memtest86+'s postinst froze.
(ubuntu)lfaraone@aqua:~$ ps aux | grep do-rel root 7975 0.0 0.0 54668 3784 pts/3 S+ 16:15 0:00 sudo do-release-upgrade -d lfaraone 30444 0.0 0.0 14232 964 pts/7 S+ 16:35 0:00 grep do-rel (ubuntu)lfaraone@aqua:~$ pstree 7975 sudo───screen───screen───xenial─┬─gnome-session-i─┬─{gdbus} │ └─{gmain} ├─sh───sleep ├─xenial───dpkg───frontend───memtest86+.post ├─{gdbus} └─{gmain} (ubuntu)lfaraone@aqua:~$ ps aux | grep memtest86+.post root 23919 0.0 0.1 63016 17648 pts/8 S+ 16:31 0:00 /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/memtest86+.postinst configure 5.01-3ubuntu1 root 23926 0.0 0.0 0 0 pts/8 Z+ 16:31 0:00 [memtest86+.post] <defunct> lfaraone 31348 0.0 0.0 14232 2620 pts/7 R+ 16:37 0:00 grep memtest86+.post Looks like its subprocess died but dpkg failed to reap it? (The actual error that triggered apport was me killing the debconf process 23919) ProblemType: Package DistroRelease: Ubuntu 16.04 Package: memtest86+ 5.01-3ubuntu2 ProcVersionSignature: Ubuntu 4.2.0-35.40-generic 4.2.8-ckt5 Uname: Linux 4.2.0-35-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 Date: Sun Apr 17 16:37:22 2016 ErrorMessage: subprocess installed post-installation script was killed by signal (Terminated) RelatedPackageVersions: dpkg 1.18.4ubuntu1 apt 1.2.10ubuntu1 SourcePackage: grub2 Title: package memtest86+ 5.01-3ubuntu2 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Terminated) UpgradeStatus: Upgraded to xenial on 2016-04-17 (0 days ago) ** Affects: grub2 (Ubuntu) Importance: Medium Status: New ** Tags: amd64 apport-package xenial ** Description changed: when attempting to upgrade to xenial, memtest86+'s postinst froze. (ubuntu)lfaraone@aqua:~$ ps aux | grep do-rel root 7975 0.0 0.0 54668 3784 pts/3 S+ 16:15 0:00 sudo do-release-upgrade -d lfaraone 30444 0.0 0.0 14232 964 pts/7 S+ 16:35 0:00 grep do-rel (ubuntu)lfaraone@aqua:~$ pstree 7975 sudo───screen───screen───xenial─┬─gnome-session-i─┬─{gdbus} - │ └─{gmain} - ├─sh───sleep - ├─xenial───dpkg───frontend───memtest86+.post - ├─{gdbus} - └─{gmain} + │ └─{gmain} + ├─sh───sleep + ├─xenial───dpkg───frontend───memtest86+.post + ├─{gdbus} + └─{gmain} (ubuntu)lfaraone@aqua:~$ ps aux | grep memtest86+.post root 23919 0.0 0.1 63016 17648 pts/8 S+ 16:31 0:00 /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/memtest86+.postinst configure 5.01-3ubuntu1 root 23926 0.0 0.0 0 0 pts/8 Z+ 16:31 0:00 [memtest86+.post] <defunct> lfaraone 31348 0.0 0.0 14232 2620 pts/7 R+ 16:37 0:00 grep memtest86+.post - Looks like its subprocess died but dpkg failed to reap it? + Looks like its subprocess died but dpkg failed to reap it? (The actual + error that triggered apport was me killing the debconf process 23919) ProblemType: Package DistroRelease: Ubuntu 16.04 Package: memtest86+ 5.01-3ubuntu2 ProcVersionSignature: Ubuntu 4.2.0-35.40-generic 4.2.8-ckt5 Uname: Linux 4.2.0-35-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 Date: Sun Apr 17 16:37:22 2016 ErrorMessage: subprocess installed post-installation script was killed by signal (Terminated) RelatedPackageVersions: - dpkg 1.18.4ubuntu1 - apt 1.2.10ubuntu1 + dpkg 1.18.4ubuntu1 + apt 1.2.10ubuntu1 SourcePackage: grub2 Title: package memtest86+ 5.01-3ubuntu2 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Terminated) UpgradeStatus: Upgraded to xenial on 2016-04-17 (0 days ago) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1571360 Title: package memtest86+ 5.01-3ubuntu2 hangs on upgrade from 14.04 to xenial To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1571360/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs