Public bug reported: Shuah Khan reported in IRC that she starting having problems with 4.14 only of the stable kernel after her upgrade to 20.04. 4.4 and 4.9 work just fine. She followed up with 4.19, 5.4 and 5.9 kernel, with no issue.
She suspects the issue is related to compress/decompress initramfs image. She tried all LZO, F2FS config options. She reports that she made sure to have CONFIG_DECOMPRESS_LZ4 and CONFIG_F2FS_FS_LZ4 enabled. She has run into this once when she upgraded to 20.04, which she solved by enabling CONFIG_DECOMPRESS_LZ4 at that time. She is very willing to help debug. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Affects: linux (Ubuntu Focal) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Focal) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1907156 Title: Unable to run 4.14 stable kernel in 20.04 user space To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1907156/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs