Thank you for your bug report, according to the log the target disk had some hardware issue
'Jan 13 16:40:06 ubuntu kernel: [ 2078.553240] sd 2:0:0:0: [sda] tag#14 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE' You should check your disk, but it's not a software bug in the installer ** Changed in: ubiquity (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859495 Title: installation crashed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1859495/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs