The same problem appears to have occurred during the upgrade from 3.8.0-19 to 3.8.0-21. In other words, this bug appears to be of broader scope than just the release upgrade.
I worked around the problem by deleting the abi, initrd.img and System.map files for 3.8.0-19. I did so with much trepidation, because other life priorities have reduced the time I am able to spend to keep my Linux knowledge as sharp as it once was. This is the screen output from the upgrade process: Running depmod. update-initramfs: deferring update (hook will be called later) Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 3.8.0-21-generic /boot/vmlinuz-3.8.0-21-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.8.0-21-generic /boot/vmlinuz-3.8.0-21-generic update-initramfs: Generating /boot/initrd.img-3.8.0-21-generic run-parts: executing /etc/kernel/postinst.d/pm-utils 3.8.0-21-generic /boot/vmlinuz-3.8.0-21-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 3.8.0-21-generic /boot/vmlinuz-3.8.0-21-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 3.8.0-21-generic /boot/vmlinuz-3.8.0-21-generic Generating grub.cfg ... Found linux image: /boot/vmlinuz-3.8.0-21-generic Found initrd image: /boot/initrd.img-3.8.0-21-generic Found linux image: /boot/vmlinuz-3.8.0-19-generic Found initrd image: /boot/initrd.img-3.8.0-19-generic Found memtest86+ image: /memtest86+.bin done Setting up amarok-doc (2:2.7.0-0ubuntu2.1) ... Setting up amarok-common (2:2.7.0-0ubuntu2.1) ... Setting up amarok-utils (2:2.7.0-0ubuntu2.1) ... Setting up amarok (2:2.7.0-0ubuntu2.1) ... Setting up linux-image-extra-3.8.0-21-generic (3.8.0-21.32) ... Running depmod. update-initramfs: deferring update (hook will be called later) Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 3.8.0-21-generic /boot/vmlinuz-3.8.0-21-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.8.0-21-generic /boot/vmlinuz-3.8.0-21-generic update-initramfs: Generating /boot/initrd.img-3.8.0-21-generic gzip: stdout: No space left on device E: mkinitramfs failure cpio 141 gzip 1 update-initramfs: failed for /boot/initrd.img-3.8.0-21-generic with 1. run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1 Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-extra-3.8.0-21-generic.postinst line 1010. dpkg: error processing linux-image-extra-3.8.0-21-generic (--configure): subprocess installed post-installation script returned error exit status 2 dpkg: dependency problems prevent configuration of linux-image-generic: linux-image-generic depends on linux-image-extra-3.8.0-21-generic; however: Package linux-image-extra-3.8.0-21-generic is not configured yet. dpkg: error processing linux-image-generic (--configure): dependency problems - leaving unconfigured Setting up linux-headers-3.8.0-21 (3.8.0-21.32) ... No apport report written because MaxReports is reached already No apport report written because MaxReports is reached already Setting up linux-headers-3.8.0-21-generic (3.8.0-21.32) ... Setting up linux-headers-generic (3.8.0.21.37) ... dpkg: dependency problems prevent configuration of linux-generic: linux-generic depends on linux-image-generic (= 3.8.0.21.37); however: Package linux-image-generic is not configured yet. dpkg: error processing linux-generic (--configure): dependency problems - leaving unconfigured Setting up linux-libc-dev:amd64 (3.8.0-21.32) ... No apport report written because MaxReports is reached already Setting up libkscreen0 (0.0.92-0ubuntu0.1) ... Setting up kscreen (0.0.92-0ubuntu0.2) ... Processing triggers for libc-bin ... ldconfig deferred processing now taking place Errors were encountered while processing: linux-image-extra-3.8.0-21-generic linux-image-generic linux-generic E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: Setting up linux-image-extra-3.8.0-21-generic (3.8.0-21.32) ... Running depmod. update-initramfs: deferring update (hook will be called later) Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 3.8.0-21-generic /boot/vmlinuz-3.8.0-21-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.8.0-21-generic /boot/vmlinuz-3.8.0-21-generic update-initramfs: Generating /boot/initrd.img-3.8.0-21-generic gzip: stdout: No space left on device cpio: write error: Broken pipe E: mkinitramfs failure cpio 1 gzip 1 update-initramfs: failed for /boot/initrd.img-3.8.0-21-generic with 1. run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1 Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-extra-3.8.0-21-generic.postinst line 1010. dpkg: error processing linux-image-extra-3.8.0-21-generic (--configure): subprocess installed post-installation script returned error exit status 2 dpkg: dependency problems prevent configuration of linux-image-generic: linux-image-generic depends on linux-image-extra-3.8.0-21-generic; however: Package linux-image-extra-3.8.0-21-generic is not configured yet. dpkg: error processing linux-image-generic (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of linux-generic: linux-generic depends on linux-image-generic (= 3.8.0.21.37); however: Package linux-image-generic is not configured yet. dpkg: error processing linux-generic (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: linux-image-extra-3.8.0-21-generic linux-image-generic linux-generic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1173468 Title: release upgrade doesn't properly calculate free space needed for /boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1173468/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs