[Bug 201898] [bsdinstall] UEFI boot partition too small by default

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201898

            Bug ID: 201898
           Summary: [bsdinstall] UEFI boot partition too small by default
           Product: Base System
           Version: 10.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: misc
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: cederom at tlen.pl

I have managed to install FreeBSD 10.1-RELEASE on UEFI AMD64 machine.

UEFI requires AMD64 and GPT partition scheme.

UEFI requires dedicated EFI FAT partition with the bootstrap loader code.

FreeBSD already contains this partition image which is stored in
/boot/boot1.efifat. This file so far is 800k. Default boot partition size is
512k.

In BSDInstall it is possible to create GPT partitions. When creating
freebsd-ufs, the installer recommends to create additional boot partition. But
this partition does not meet UEFI requirements.

Please update bsdinstall so it creates EFI BOOT partition type 10M size (MS
Windows makes it 100M) when using GPT [1]. It would be nice if bsdinstall also
makes dd of /boot/boot1.efifat onto that partition during install, so user can
boot in UEFI after install.

Thank you! :-)
Tomek

[1] https://wiki.freebsd.org/UEFI#Bootable_UEFI_memory_stick

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