Efi/mbr freebsd-11.0-RELEASE-p9 unbootable

Heikki Lindholm holindho at saunalahti.fi
Fri Apr 14 04:55:51 UTC 2017

On 14.04.2017 05:38, Antonio Olivares wrote:
> Dear freebsd users,
> I got a used toshiba-laptop with windows 7.  A friend of mine gave me a new
> hard drive and we installed void-linux with a 1GB /boot partition, an 8 GB
> swap partitionx and a 100GB / for the install.  Installation suceeded, but
> grub install failed some ttx? Error.  I then got a regular x86_64 amd
> freebsd 11.0 RELEASE and installed it sucessfully as well.  I did not get
> questioned to install bootloader. When booting the machine tries to boot
> off the network.  I get a supergrubdisk and boot off it and I am able to
> run freebsd-update on it get it to -p9 and install pkgs that I want to
> run.  I am not very fond of secure boot and I had installed linux on
> another machine with windows 7 and it supposedly had EFI support, however
> when grub installed, i lost the ability to boot into windows.  In this
> machine a toshiba satellite laptop, I tried to play it safe and instead
> cannot boot either void-linux or freebsd from the hard drive.  I can boot
> into freebsd with supergrubdisk, i don't believe it is a question of EFI
> because I had previously installed DragonflyBSD 4.8 which has support for
> EFI and I selected it as well, but the system was unbootable as well.  How
> should I troubleshoot this?  I can boot from live media, but I cannot
> install grub or the freebsd bootloader.  Hard drive is 465 GB, with the
> above mentioned linux partitions, the rest for freebsd with ufs.  If there
> is a how to, or a laptop wiki on this topic, I appreciate all your help
> even if it would be recommended that I reinstall the OS again from
> scratch.  I am confused with GPT vs old style MBR which just worked TM by
> the way and this secure boot crap which renders our machines unbootable.

Show the output of gpart show ada0 (or whatever your disk is) for better 
guesswork to begin. You might need to (1) disable secure boot, (2) 
enable bios emulation, (3) install FreeBSD (and linux) with the BIOS/MBR 
booter instead of EFI.

Heikki Lindholm

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