I really would like to know what issue is raised by that message. It says "Possible..." meaning that it may or may not be relevant.
I've been seeing that message for months, and my network interface still works properly, so I suppose that some types of hardware using this driver might be affected, but not all.
Done The following package was automatically installed and is no longer required: linux-image-4.4.0-53-generic Use 'apt autoremove' to remove it. After this operation, 315 MB disk space will be freed. run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-53-generic /boot/vmlinuz-4.4.0-53-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-53-generic /boot/vmlinuz-4.4.0-53-generic update-initramfs: Generating /boot/initrd.img-4.4.0-53-generic E: /usr/share/initramfs-tools/hooks/plymouth failed with return 1.
The following packages will be REMOVED: linux-image-extra-4.4.0-53-generic linux-image-extra-4.4.0-57-generic The following NEW packages will be installed: git-core 0 upgraded, 1 newly installed, 2 to remove and 37 not upgraded. update-initramfs: failed for /boot/initrd.img-4.4.0-53-generic with 1. run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1 dpkg: error processing package linux-image-extra-4.4.0-53-generic (--remove): subprocess installed post-removal script returned error exit status 1 Removing linux-image-extra-4.4.0-57-generic (4.4.0-57.78) ...
Example showing how to mount a file called initrd.img-2.6.8-2-686 (from a default Debian Sarge kernel): # All work is done in a temporary directory mkdir /tmp/initrdmount # Mount the image file directly mount -o loop /boot/initrd.img-2.6.8-2-686 /tmp/initrdmount #Investigate its content, etc.
cd /tmp/initrdmount #Once done un-mount it: umount /tmp/initrdmount Seen on: Debian Sarge, kernel 2.6.8 This is the same as above just that the file is compressed (with gzip).
# apt-get install git-core Reading package lists...
update-initramfs: failed for /boot/initrd.img-4.4.0-57-generic with 1. run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1 dpkg: error processing package linux-image-extra-4.4.0-57-generic (--remove): subprocess installed post-removal script returned error exit status 1 Errors were encountered while processing: linux-image-extra-4.4.0-53-generic linux-image-extra-4.4.0-57-generic E: Sub-process /usr/bin/dpkg returned an error code (1) Reading package lists...
sourcecode: now you can change everything you want by changing it in the folder INITRD...you unmount it all changes are saved.
After applying the changes you need to reassemble the ..
Do you think the "firmware-linux" package might now be necessary?
I saw it mentioned in the recent kernel update on my end, but did not research it further.