I am seeing this in my log as well, Kubuntu 19.10
Linux willem-Aspire-A315-53 5.3.0-29-generic #31-Ubuntu SMP Fri Jan 17 17:27:26 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Operating System: Kubuntu 19.10 KDE Plasma Version: 5.17.5 KDE Frameworks Version: 5.66.0 Qt Version: 5.12.4 Kernel Version: 5.3.0-29-generic OS Type: 64-bit Processors: 8 × Intel® Core™ i5-8250U CPU @ 1.60GHz Memory: 3,7 GiB -- 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/1835660 Title: initramfs unpacking failed Status in linux package in Ubuntu: Confirmed Bug description: "initramfs unpacking failed: Decoding failed", message appears on boot up. If I "update-initramfs" using gzip instead of lz, then boot up passes without decoding failed message. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1835660/+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