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I install "Ubuntu Server 18.04.2 LTS" with Subiquity (recommended approach on https://ubuntu.com/download/server ), and after the rebooting the system says "No Boot Device Found. Press any key to reboot the machine."
I tried installing from DVD, from USB flash, with different options (UEFI & secure boot enabled and disabled). The computer is a "Dell Precision T7910 Workstation" with a "MegaRAID SAS 9361-8i". I tried installing it on a Virtual Disk (RAID), or an HD without the RAID controller. Nothing worked.
Then I tried with the "alternative installer", and it worked fine: https://ubuntu.com/download/alternative-downloads -> Ubuntu 18.04.2 LTS alternative installer -> 64-bit PC (AMD64) server install image
Any idea of what is the problem with the Subiquity installer?