While installation of /~kernel-ppa/mainline/v4.4-rc5-wily kernel I got following error. Please check crash report for more details.
sudo dpkg -i *.deb Selecting previously unselected package linux-headers-4.4.0-040400rc5-generic. (Reading database ... 356905 files and directories currently installed.) Preparing to unpack linux-headers-4.4.0-040400rc5-generic_4.4.0-040400rc5.201512140221_amd64.deb ... Unpacking linux-headers-4.4.0-040400rc5-generic (4.4.0-040400rc5.201512140221) ... Preparing to unpack linux-image-4.4.0-040400rc5-generic_4.4.0-040400rc5.201512140221_amd64.deb ... Done. Unpacking linux-image-4.4.0-040400rc5-generic (4.4.0-040400rc5.201512140221) over (4.4.0-040400rc5.201512140221) ... Examining /etc/kernel/postrm.d . run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.4.0-040400rc5-generic /boot/vmlinuz-4.4.0-040400rc5-generic run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.4.0-040400rc5-generic /boot/vmlinuz-4.4.0-040400rc5-generic dpkg: dependency problems prevent configuration of linux-headers-4.4.0-040400rc5-generic: linux-headers-4.4.0-040400rc5-generic depends on linux-headers-4.4.0-040400rc5; however: Package linux-headers-4.4.0-040400rc5 is not installed. dpkg: error processing package linux-headers-4.4.0-040400rc5-generic (--install): dependency problems - leaving unconfigured Setting up linux-image-4.4.0-040400rc5-generic (4.4.0-040400rc5.201512140221) ... Running depmod. update-initramfs: deferring update (hook will be called later) Not updating initrd symbolic links since we are being updated/reinstalled (4.4.0-040400rc5.201512140221 was configured last, according to dpkg) Not updating image symbolic links since we are being updated/reinstalled (4.4.0-040400rc5.201512140221 was configured last, according to dpkg) Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-040400rc5-generic /boot/vmlinuz-4.4.0-040400rc5-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.4.0-040400rc5-generic /boot/vmlinuz-4.4.0-040400rc5-generic ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/acpi-call-dkms.0.crash' Error! Bad return status for module build on kernel: 4.4.0-040400rc5-generic (x86_64) Consult /var/lib/dkms/acpi-call/1.1.0/build/make.log for more information. ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/bbswitch-dkms.0.crash' ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/tp-smapi-dkms.0.crash' Error! Bad return status for module build on kernel: 4.4.0-040400rc5-generic (x86_64) Consult /var/lib/dkms/bbswitch/0.8/build/make.log for more information. Error! Bad return status for module build on kernel: 4.4.0-040400rc5-generic (x86_64) Consult /var/lib/dkms/tp-smapi/0.41/build/make.log for more information. run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-040400rc5-generic /boot/vmlinuz-4.4.0-040400rc5-generic update-initramfs: Generating /boot/initrd.img-4.4.0-040400rc5-generic run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-040400rc5-generic /boot/vmlinuz-4.4.0-040400rc5-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-040400rc5-generic /boot/vmlinuz-4.4.0-040400rc5-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-040400rc5-generic /boot/vmlinuz-4.4.0-040400rc5-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.4.0-040400rc5-generic Found initrd image: /boot/initrd.img-4.4.0-040400rc5-generic Found linux image: /boot/vmlinuz-4.2.0-19-generic Found initrd image: /boot/initrd.img-4.2.0-19-generic Found linux image: /boot/vmlinuz-3.19.0-41-generic Found initrd image: /boot/initrd.img-3.19.0-41-generic Found linux image: /boot/vmlinuz-3.19.0-39-generic Found initrd image: /boot/initrd.img-3.19.0-39-generic Found linux image: /boot/vmlinuz-3.16.0-56-generic Found initrd image: /boot/initrd.img-3.16.0-56-generic Found linux image: /boot/vmlinuz-3.16.0-55-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Found Windows 7 (loader) on /dev/sda1 done Errors were encountered while processing: linux-headers-4.4.0-040400rc5-generic ** Attachment added: "Error while installing mainline kernel" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1457350/+attachment/4536169/+files/bbswitch-dkms.0.crash -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1457350 Title: Random Freezing problem with Ubuntu 14.04 LTS, Lenovo Laptop T420 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1457350/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs