UEFI boot hangs after loader

[Toomas Soome]

Do you get boot menu? if so, press esc to get to ok prompt, then type start - if its bootfort based loader, it will load the kernel and modules. lsmod will then list the loaded files.

If the loader prompt is still usable, then next command would be: boot

rgds,
toomas

> On 23 Oct 2018, at 20:45, Harry Newton <hn at yewbarrow.net> wrote:
> 
> Just upgraded my Asus UX303L (amd64) from 11-STABLE to 12.0-BETA1 r339529
> by source.  Have a problem with booting which hangs after:
> 
>>> FreeBSD EFI boot block
> Loader path: /boot/loader.efi
> 
> Initializing modules: ZFS UFS
> Probing 5 block devices ... done
>  ZFS found the following pools: zroot
>  UFS found no partitions
>  Consoles: EFI console
>  FreeBSD/amd64 EFI loader, Revision 1.1
> 
>    Command line arguments: loader.efi
>    EFI version 2.31
>    EFI Firmware: American Megatrends (rev 4.654)
>    Console: efi(0)
>    Load Path: HD(4, GPT [ ... ]
>    Load Device: Pci Root [ ... ]
>    Boot Current: 0001
>    Boot Order: 0001 [x]
>    Boot Info Path: HS(1, GPT,  [ ... ]  /\EFI\BOOT\BOOTX64.EFI
> -
> 
> So it gets into loader.efi which runs but stops I think just before loading
> the kernel.  Partitions:
> 
> =>       40  250069600  ada0  GPT  (119G)
>         40       1600     1  efi  (800K)
>       1640       1024     2  freebsd-boot  (512K)
>       2664       1432        - free -  (716K)
>       4096    4194304     3  freebsd-swap  (2.0G)
>    4198400  245870592     4  freebsd-zfs  (117G)
>  250068992        648        - free -  (324K)
> 
> and the EFI partition is FAT 12.
> 
> I can't provide (at the moment) any output from efibootmgr:
> 
> root at gryphon:~ # efibootmgr -v
> efibootmgr: efi variables not supported on this system. root? kldload efirt?
> root at gryphon:~ # kldload efirt
> kldload: can't load efirt: module already loaded or in kernel
> 
> which I don't understand.
> 
> I'm going to rebuild the kernel (currently GENERIC) and see if that allows
> me to load efirt / use efibootmgr.
> 
> In the meantime, I should be very grateful for any advice.
> 
> ( Currently booting using a 11-RELEASE memstick image and dropping into its
> loader to get to the installed 12-STABLE ).
> 
> /Harry
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