Would it be possible for you to test the proposed kernel and post back if it resolves this bug? See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed.
Thank you in advance! ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Tags added: kernel-key ** Also affects: linux (Ubuntu Bionic) Importance: High Status: Incomplete ** Changed in: linux (Ubuntu Bionic) Importance: High => Critical -- 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/1766577 Title: 4.15.0-15 mdadm: CREATE group disk not found Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Incomplete Bug description: 4.15.0-15-generic (buildd@lcy01-amd64-018) producing the following errors during boot process: Begin: Waiting for root file system ... Begin: Running /scripts/local-block ... mdadm: CREATE group disk not found mdadm: No devices listed in conf file were found. done. Begin: Running /scripts/local-block ... mdadm: CREATE group disk not found mdadm: No devices listed in conf file were found. done. Begin: Running /scripts/local-block ... mdadm: CREATE group disk not found mdadm: No devices listed in conf file were found. done. ... BusyBox v1.22.1 (Ubuntu 1:1.22.0-15ubuntu1) built-in shell (ash) Enter 'help' for a list of built-in commands. (initramfs) [6n It is a Lenovo SR550, and the 4.15.0-13 was booting properly. (Boot log attached) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1766577/+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