Hello there, I still see the same on my installation:
Ubuntu 16.04: Examining /etc/kernel/postrm.d . run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.4.0-140-generic /boot/vmlinuz-4.4.0-140-generic update-initramfs: Deleting /boot/initrd.img-4.4.0-140-generic run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.4.0-140-generic /boot/vmlinuz-4.4.0-140-generic Generating grub configuration file ... File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12417: grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12417: grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12484: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12484: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12503: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12503: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12522: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12522: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12542: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12542: /usr/sbin/grub-probe Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported. File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12637: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12637: /usr/sbin/grub-probe Found linux image: /boot/vmlinuz-4.15.0-43-generic Found initrd image: /boot/initrd.img-4.15.0-43-generic File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12771: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12771: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12791: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12791: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12811: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12811: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12831: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 12831: /usr/sbin/grub-probe Found linux image: /boot/vmlinuz-4.15.0-42-generic Found initrd image: /boot/initrd.img-4.15.0-42-generic Found linux image: /boot/vmlinuz-4.4.0-141-generic Found initrd image: /boot/initrd.img-4.4.0-141-generic File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 13390: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on vgs invocation. Parent PID 13390: /usr/sbin/grub-probe File descriptor 11 (/var/lib/dpkg/triggers/linux-update-4.15.0-39-generic (deleted)) leaked on lvs invocation. Parent PID 13546: /bin/sh Adding boot menu entry for EFI firmware configuration If, as commented above: > [...] It's just overly-verbose debug from "vgs" [...] Then, is this tracked in the "vgs" program / fixed somehow? Ντέντος Σταύρος