confirmed on eoan (5.3.0-42) after heynnema comments above, that the decoding fail message disappears switching gzip then back to lz4.
editing initramfs.conf and running the command below: ~ $ sudo update-initramfs -c -k all The result: ~ $ sudo cat /etc/initramfs-tools/initramfs.conf | grep lz4 # COMPRESS: [ gzip | bzip2 | lz4 | lzma | lzop | xz ] COMPRESS=lz4 ~ $ dmesg | grep fail ~ $ -- 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