Public bug reported: I'm filing this against dkms 2.2.0.3-2ubuntu11.2 in Ubuntu Xenial, although the issue may come down to a different package.
I issued an "apt-get --purge autoremove" command to clear out some old kernel packages, and the command took several minutes to complete due to kernel module builds taking place during the process. Obviously, no builds should be occurring, because the associated kernels are being removed! Here is the terminal log of the command. Note the "run-parts: executing /etc/kernel/postinst.d/dkms ..." lines: # apt-get --purge autoremove Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: linux-image-extra-4.4.0-21-generic* linux-image-extra-4.4.0-22-generic* linux-image-extra-4.4.0-24-generic* linux-image-extra-4.4.0-28-generic* snap-confine* ubuntu-core-launcher* 0 upgraded, 0 newly installed, 6 to remove and 0 not upgraded. After this operation, 648 MB disk space will be freed. Do you want to continue? [Y/n] (Reading database ... 413863 files and directories currently installed.) Removing linux-image-extra-4.4.0-21-generic (4.4.0-21.37) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic update-initramfs: Generating /boot/initrd.img-4.4.0-21-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: model = pc104 layout = us variant = dvorak option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-21-generic (4.4.0-21.37) ... Removing linux-image-extra-4.4.0-22-generic (4.4.0-22.40) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic update-initramfs: Generating /boot/initrd.img-4.4.0-22-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: model = pc104 layout = us variant = dvorak option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-22-generic (4.4.0-22.40) ... Removing linux-image-extra-4.4.0-24-generic (4.4.0-24.43) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic update-initramfs: Generating /boot/initrd.img-4.4.0-24-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: model = pc104 layout = us variant = dvorak option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-24-generic (4.4.0-24.43) ... Removing linux-image-extra-4.4.0-28-generic (4.4.0-28.47) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic update-initramfs: Generating /boot/initrd.img-4.4.0-28-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: model = pc104 layout = us variant = dvorak option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-28-generic (4.4.0-28.47) ... Removing ubuntu-core-launcher (1.0.43-0ubuntu1~16.04.1) ... Purging configuration files for ubuntu-core-launcher (1.0.43-0ubuntu1~16.04.1) ... Removing snap-confine (1.0.43-0ubuntu1~16.04.1) ... Purging configuration files for snap-confine (1.0.43-0ubuntu1~16.04.1) ... dpkg: warning: while removing snap-confine, directory '/var/lib/snapd' not empty so not removed Processing triggers for man-db (2.7.5-1) ... ** Affects: dkms (Ubuntu) Importance: Undecided Status: New ** Description changed: I'm filing this against dkms 2.2.0.3-2ubuntu11.2 in Ubuntu Xenial, although the issue may come down to a different package. I issued an "apt-get --purge autoremove" command to clear out some old kernel packages, and the command took several minutes to complete due to kernel module builds taking place during the process. Obviously, no builds should be occurring, because the associated kernels are being removed! Here is the terminal log of the command. Note the "run-parts: executing /etc/kernel/postinst.d/dkms ..." lines: # apt-get --purge autoremove Reading package lists... Done - Building dependency tree + Building dependency tree Reading state information... Done The following packages will be REMOVED: - linux-image-extra-4.4.0-21-generic* linux-image-extra-4.4.0-22-generic* - linux-image-extra-4.4.0-24-generic* linux-image-extra-4.4.0-28-generic* - snap-confine* ubuntu-core-launcher* + linux-image-extra-4.4.0-21-generic* linux-image-extra-4.4.0-22-generic* + linux-image-extra-4.4.0-24-generic* linux-image-extra-4.4.0-28-generic* + snap-confine* ubuntu-core-launcher* 0 upgraded, 0 newly installed, 6 to remove and 0 not upgraded. After this operation, 648 MB disk space will be freed. - Do you want to continue? [Y/n] + Do you want to continue? [Y/n] (Reading database ... 413863 files and directories currently installed.) Removing linux-image-extra-4.4.0-21-generic (4.4.0-21.37) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic update-initramfs: Generating /boot/initrd.img-4.4.0-21-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: - model = pc104 - layout = us - variant = dvorak - option = + model = pc104 + layout = us + variant = dvorak + option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-21-generic (4.4.0-21.37) ... Removing linux-image-extra-4.4.0-22-generic (4.4.0-22.40) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic - - lessrun-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic + run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic update-initramfs: Generating /boot/initrd.img-4.4.0-22-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: - model = pc104 - layout = us - variant = dvorak - option = + model = pc104 + layout = us + variant = dvorak + option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-22-generic (4.4.0-22.40) ... Removing linux-image-extra-4.4.0-24-generic (4.4.0-24.43) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic update-initramfs: Generating /boot/initrd.img-4.4.0-24-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: - model = pc104 - layout = us - variant = dvorak - option = + model = pc104 + layout = us + variant = dvorak + option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-24-generic (4.4.0-24.43) ... Removing linux-image-extra-4.4.0-28-generic (4.4.0-28.47) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic update-initramfs: Generating /boot/initrd.img-4.4.0-28-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: - model = pc104 - layout = us - variant = dvorak - option = + model = pc104 + layout = us + variant = dvorak + option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-28-generic (4.4.0-28.47) ... Removing ubuntu-core-launcher (1.0.43-0ubuntu1~16.04.1) ... Purging configuration files for ubuntu-core-launcher (1.0.43-0ubuntu1~16.04.1) ... Removing snap-confine (1.0.43-0ubuntu1~16.04.1) ... Purging configuration files for snap-confine (1.0.43-0ubuntu1~16.04.1) ... dpkg: warning: while removing snap-confine, directory '/var/lib/snapd' not empty so not removed Processing triggers for man-db (2.7.5-1) ... -- 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/1636701 Title: Removing kernel package triggers DKMS build Status in dkms package in Ubuntu: New Bug description: I'm filing this against dkms 2.2.0.3-2ubuntu11.2 in Ubuntu Xenial, although the issue may come down to a different package. I issued an "apt-get --purge autoremove" command to clear out some old kernel packages, and the command took several minutes to complete due to kernel module builds taking place during the process. Obviously, no builds should be occurring, because the associated kernels are being removed! Here is the terminal log of the command. Note the "run-parts: executing /etc/kernel/postinst.d/dkms ..." lines: # apt-get --purge autoremove Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: linux-image-extra-4.4.0-21-generic* linux-image-extra-4.4.0-22-generic* linux-image-extra-4.4.0-24-generic* linux-image-extra-4.4.0-28-generic* snap-confine* ubuntu-core-launcher* 0 upgraded, 0 newly installed, 6 to remove and 0 not upgraded. After this operation, 648 MB disk space will be freed. Do you want to continue? [Y/n] (Reading database ... 413863 files and directories currently installed.) Removing linux-image-extra-4.4.0-21-generic (4.4.0-21.37) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic update-initramfs: Generating /boot/initrd.img-4.4.0-21-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: model = pc104 layout = us variant = dvorak option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-21-generic (4.4.0-21.37) ... Removing linux-image-extra-4.4.0-22-generic (4.4.0-22.40) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic update-initramfs: Generating /boot/initrd.img-4.4.0-22-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: model = pc104 layout = us variant = dvorak option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-22-generic (4.4.0-22.40) ... Removing linux-image-extra-4.4.0-24-generic (4.4.0-24.43) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic update-initramfs: Generating /boot/initrd.img-4.4.0-24-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: model = pc104 layout = us variant = dvorak option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-24-generic (4.4.0-24.43) ... Removing linux-image-extra-4.4.0-28-generic (4.4.0-28.47) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic update-initramfs: Generating /boot/initrd.img-4.4.0-28-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-45-generic Found initrd image: /boot/initrd.img-4.4.0-45-generic Found linux image: /boot/vmlinuz-4.4.0-43-generic Found initrd image: /boot/initrd.img-4.4.0-43-generic Found linux image: /boot/vmlinuz-4.4.0-28-generic Found initrd image: /boot/initrd.img-4.4.0-28-generic Found linux image: /boot/vmlinuz-4.4.0-24-generic Found initrd image: /boot/initrd.img-4.4.0-24-generic Found linux image: /boot/vmlinuz-4.4.0-22-generic Found initrd image: /boot/initrd.img-4.4.0-22-generic Found linux image: /boot/vmlinuz-4.4.0-21-generic Found initrd image: /boot/initrd.img-4.4.0-21-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Setting default keymap configuration: model = pc104 layout = us variant = dvorak option = Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f Unknown keyboard scan code 0x54 Unknown keyboard scan code 0x65 Unknown keyboard scan code 0x7f done Purging configuration files for linux-image-extra-4.4.0-28-generic (4.4.0-28.47) ... Removing ubuntu-core-launcher (1.0.43-0ubuntu1~16.04.1) ... Purging configuration files for ubuntu-core-launcher (1.0.43-0ubuntu1~16.04.1) ... Removing snap-confine (1.0.43-0ubuntu1~16.04.1) ... Purging configuration files for snap-confine (1.0.43-0ubuntu1~16.04.1) ... dpkg: warning: while removing snap-confine, directory '/var/lib/snapd' not empty so not removed Processing triggers for man-db (2.7.5-1) ... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dkms/+bug/1636701/+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