Comment 4 for bug 1370368

/var/log/installer/syslog shows:

Sep 17 22:19:09 grub-installer: info: Installing grub on '/dev/md126p1'
Sep 17 22:19:09 grub-installer: info: Running chroot /target grub-install --force "/dev/md126p1"
Sep 17 22:19:09 grub-installer: Installing for i386-pc platform.
Sep 17 22:19:21 grub-installer: grub-install: warning: File system `ext2' doesn't support embedding.
Sep 17 22:19:21 grub-installer: grub-install: warning: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and their use is discouraged..
Sep 17 22:19:21 grub-installer: Installation finished. No error reported.
Sep 17 22:19:21 grub-installer: info: grub-install ran successfully

So it appears grub has been installed to the first partition. Does this partition show as bootable in the partition table?

Normally I would expect grub to be installed to the MBR, not to the first partition. Was this the result of a deliberate selection, or was this automatic?

(/var/log/installer/cdebconf/questions.dat:
Name: grub-installer/bootdev
Template: grub-installer/bootdev
Value: /dev/md126p1
Owners: grub-installer
)