Error during upgrade on Ubuntu 14.10 Utopic Unicorn.
The Broadcom-sta-dkms module fails to build.
 
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
run-parts: executing /etc/kernel/postinst.d/dkms 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
Error! Bad return status for module build on kernel: 3.16.0-16-generic (i686)
Consult /var/lib/dkms/broadcom-sta/6.30.223.141/build/make.log for more information.
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
update-initramfs: Generating /boot/initrd.img-3.16.0-16-generic
run-parts: executing /etc/kernel/postinst.d/pm-utils 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-3.16.0-16-generic
Found initrd image: /boot/initrd.img-3.16.0-16-generic
Found linux image: /boot/vmlinuz-3.16.0-14-generic
Found initrd image: /boot/initrd.img-3.16.0-14-generic
Found linux image: /boot/vmlinuz-3.16.0-13-generic
Found initrd image: /boot/initrd.img-3.16.0-13-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
Found Windows 7 (loader) on /dev/sda1
done
Setting up qml-module-qtquick-window2:i386 (5.3.0-3ubuntu12) ...
Setting up qml-module-qtquick2:i386 (5.3.0-3ubuntu12) ...
Setting up apt-utils (1.0.9.1ubuntu1) ...
Setting up locales (2.13+git20120306-15) ...
Generating locales...
  en_AG.UTF-8... up-to-date
  en_AU.UTF-8... up-to-date
  en_BW.UTF-8... up-to-date
  en_CA.UTF-8... up-to-date
  en_DK.UTF-8... up-to-date
  en_GB.UTF-8... up-to-date
  en_HK.UTF-8... up-to-date
  en_IE.UTF-8... up-to-date
  en_IN.UTF-8... up-to-date
  en_NG.UTF-8... up-to-date
  en_NZ.UTF-8... up-to-date
  en_PH.UTF-8... up-to-date
  en_SG.UTF-8... up-to-date
  en_US.UTF-8... up-to-date
  en_ZA.UTF-8... up-to-date
  en_ZM.UTF-8... up-to-date
  en_ZW.UTF-8... up-to-date
  om_KE.UTF-8... up-to-date
Generation complete.
Setting up apt-transport-https (1.0.9.1ubuntu1) ...
Setting up plymouth-theme-ubuntu-text (0.9.0-0ubuntu4) ...
update-initramfs: deferring update (trigger activated)
Setting up hipchat (2.2.1196) ...
Setting up linux-image-extra-3.16.0-16-generic (3.16.0-16.22) ...
Running depmod.
update-initramfs: deferring update (hook will be called later)
initrd.img(/boot/initrd.img-3.16.0-16-generic
) points to /boot/initrd.img-3.16.0-16-generic
 (/boot/initrd.img-3.16.0-16-generic) -- doing nothing at /var/lib/dpkg/info/linux-image-extra-3.16.0-16-generic.postinst line 491.
vmlinuz(/boot/vmlinuz-3.16.0-16-generic
) points to /boot/vmlinuz-3.16.0-16-generic
 (/boot/vmlinuz-3.16.0-16-generic) -- doing nothing at /var/lib/dpkg/info/linux-image-extra-3.16.0-16-generic.postinst line 491.
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
run-parts: executing /etc/kernel/postinst.d/dkms 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
Error! Bad return status for module build on kernel: 3.16.0-16-generic (i686)
Consult /var/lib/dkms/broadcom-sta/6.30.223.141/build/make.log for more information.
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
update-initramfs: Generating /boot/initrd.img-3.16.0-16-generic
run-parts: executing /etc/kernel/postinst.d/pm-utils 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-3.16.0-16-generic
Found initrd image: /boot/initrd.img-3.16.0-16-generic
Found linux image: /boot/vmlinuz-3.16.0-14-generic
Found initrd image: /boot/initrd.img-3.16.0-14-generic
Found linux image: /boot/vmlinuz-3.16.0-13-generic
Found initrd image: /boot/initrd.img-3.16.0-13-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
Found Windows 7 (loader) on /dev/sda1
done
Setting up linux-image-generic (3.16.0.16.17) ...
Setting up linux-headers-3.16.0-16 (3.16.0-16.22) ...
Setting up linux-headers-3.16.0-16-generic (3.16.0-16.22) ...
Examining /etc/kernel/header_postinst.d.
run-parts: executing /etc/kernel/header_postinst.d/dkms 3.16.0-16-generic /boot/vmlinuz-3.16.0-16-generic
Error! Bad return status for module build on kernel: 3.16.0-16-generic (i686)
Consult /var/lib/dkms/broadcom-sta/6.30.223.141/build/make.log for more information.
Setting up linux-headers-generic (3.16.0.16.17) ...
Setting up linux-generic (3.16.0.16.17) ...
Setting up linux-libc-dev:i386 (3.16.0-16.22) ...
Setting up qtdeclarative5-qtquick2-plugin:i386 (5.3.0-3ubuntu12) ...
Setting up qtdeclarative5-window-plugin:i386 (5.3.0-3ubuntu12) ...
Processing triggers for libc-bin (2.19-10ubuntu1) ...
Processing triggers for initramfs-tools (0.103ubuntu8) ...
update-initramfs: Generating /boot/initrd.img-3.16.0-16-generic