Thank you for your report. This installation looks like it was caused by a corrupted file system. I notice in the logs
Aug 6 03:54:25 ubuntu ubiquity: find: ‘/target/boot/efi/EFI/Dell’ Aug 6 03:54:25 ubuntu ubiquity: : Input/output error Aug 6 03:54:25 ubuntu kernel: [ 356.783337] FAT-fs (sda2): error, corrupted directory (invalid entries) Aug 6 03:54:25 ubuntu kernel: [ 356.783350] FAT-fs (sda2): Filesystem has been set read-only Aug 6 03:54:25 ubuntu kernel: [ 356.783377] FAT-fs (sda2): error, corrupted directory (invalid entries) Aug 5 10:01:00 ubuntu grub-installer: grub-install: error: cannot open `/boot/efi/EFI/ubuntu/shimx64.efi': Read-only file system. I've marked this bug as incomplete, if you believe I'm in error please leave a comment as to why, and you can return the status to new. I suggest you `fsck` your /dev/sda2 (EFI partition) the try again. If it fails again please change the status of this bug report back to new and report what you found. If I'm correct the install will succeed after `fsck`. If you are unfamiliar with `fsck` (or file system checks) please refer to https://help.ubuntu.com/community/FilesystemTroubleshooting or for actual help please refer to https://discourse.ubuntu.com/t/finding- help/712 I would also suggest using a more modern build of Ubuntu 16.04 LTS (16.04.6 came out 28-Feb-2019 this year using the then latest kernel 4.15 instead of your used 2017 build which uses a now EOL 4.10 kernel). Thank you for taking the time to report this bug and helping to make Ubuntu better ** Changed in: grub-installer (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1839051 Title: can't install "grub-install/dev/sda" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1839051/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
