It happened to me when updating 2 x Raspberry Pi 2B from 14.04 to 15.10. The solution is to add:
Machine: Raspberry pi 2 Model B Machine: BCM2709 Kernel-Flavors: rpi2 Boot-Kernel-Path: /boot/firmware/kernel7.img (source: https://gist.github.com/shawnbon206/b38138874f1d32feb653) Into: /usr/share/flash-kernel/db/all.db b/rpi2/usr/share/flash-kernel/db/all.db (requires root permissions) Then issue: # flash-kernel Will print: > flash-kernel: installing version 3.18.0-25-rpi2 After rebooting, its working fine: $ uname -a > Linux ubuntu 3.18.0-25-rpi2 #26-Ubuntu SMP PREEMPT Sun Jul 5 06:46:34 UTC > 2015 armv7l armv7l armv7l GNU/Linux $ cat /etc/lsb-release > DISTRIB_ID=Ubuntu > DISTRIB_RELEASE=15.10 > DISTRIB_CODENAME=wily > DISTRIB_DESCRIPTION="Ubuntu 15.10" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1509769 Title: package initramfs-tools 0.120ubuntu6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-mate/+bug/1509769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
