How do you install test kernel? I tried dpki -i linux-modules-4.15.0-24-generic_4.15.0-24.26+crng4_amd64.deb linux-modules-extra-4.15.0-24-generic_4.15.0-24.26+crng4_amd64.deb linux-image-unsigned-4.15.0-24-generic_4.15.0-24.26+crng4_amd64.deb
but I get error: Preparing to unpack linux-modules-4.15.0-24-generic_4.15.0-24.26+crng4_amd64.deb ... Unpacking linux-modules-4.15.0-24-generic (4.15.0-24.26+crng4) over (4.15.0-24.26+crng4) ... Preparing to unpack linux-modules-extra-4.15.0-24-generic_4.15.0-24.26+crng4_amd64.deb ... Unpacking linux-modules-extra-4.15.0-24-generic (4.15.0-24.26+crng4) over (4.15.0-24.26+crng4) ... dpkg: regarding linux-image-unsigned-4.15.0-24-generic_4.15.0-24.26+crng4_amd64.deb containing linux-image-unsigned-4.15.0-24-generic: linux-image-unsigned-4.15.0-24-generic conflicts with linux-image-4.15.0-24-generic linux-image-4.15.0-24-generic (version 4.15.0-24.26) is present and installed. dpkg: error processing archive linux-image-unsigned-4.15.0-24-generic_4.15.0-24.26+crng4_amd64.deb (--install): conflicting packages - not installing linux-image-unsigned-4.15.0-24-generic Setting up linux-modules-4.15.0-24-generic (4.15.0-24.26+crng4) ... Setting up linux-modules-extra-4.15.0-24-generic (4.15.0-24.26+crng4) ... Processing triggers for linux-image-4.15.0-24-generic (4.15.0-24.26) ... /etc/kernel/postinst.d/initramfs-tools: update-initramfs: Generating /boot/initrd.img-4.15.0-24-generic /etc/kernel/postinst.d/zz-update-grub: Generating grub configuration file ... Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported. Found linux image: /boot/vmlinuz-4.15.0-24-generic Found initrd image: /boot/initrd.img-4.15.0-24-generic Found linux image: /boot/vmlinuz-4.15.0-23-generic Found initrd image: /boot/initrd.img-4.15.0-23-generic Found linux image: /boot/vmlinuz-4.15.0-22-generic Found initrd image: /boot/initrd.img-4.15.0-22-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin done Errors were encountered while processing: linux-image-unsigned-4.15.0-24-generic_4.15.0-24.26+crng4_amd64.deb Or how do I revert to previous working kernel (I don't have grub installed... long story). -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1779827 Title: failure to boot with linux-image-4.15.0-24-generic Status in Ubuntu: Confirmed Status in linux package in Ubuntu: In Progress Status in The Bionic Beaver: Confirmed Status in linux source package in Bionic: Fix Committed Bug description: This was the last OK then my 18.04 hangs after an update this morning. 07:00 AM CEST Last Ok in boot was Started gnome display manager. dispatcher service ...... tem changes.pp link was shut down Tried install lightdm from command line and the response was lastest already installed. Probably it is what is coming after the lastest OK which is to be the error. And here I have lots of guesses...... Any Ideas ? I need to do some work and I may not be waiting long. Search and browsed and now close to give up. Yeah it is a Lenovo. Guys: turn of auto update it is a machine killer. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1779827/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp