Re: uefi(8) fails to boot from ZFS with compression=zstd

Does it boot when you copy loader.efi to bootx64.efi?

Toomas 

> On 23. Oct 2020, at 05:02, Jan Beich <jbeich_at_freebsd.org> wrote:
> 
> After r366657 (currently, on r366953) I've tried to boot from a
> compression=zstd dataset but it failed to reach loader(8), see below.
> However, switching to CSM path (boot1.efi -> gptzfsboot) makes it work.
> 
> Am I missing something?
> 
> $ strings /boot/boot1.efi | fgrep zstd
> org.freebsd:zstd_compress
> 
> $ strings /boot/gptzfsboot | fgrep zstd
> zstd
> /usr/src/sys/contrib/openzfs/module/zstd/zfs_zstd.c
> org.freebsd:zstd_compress
> 
> $ zpool set bootfs=tank/ROOT/freebsd-zstd tank
> $ sh /usr/share/examples/bhyve/vmrun.sh -ATE -d /dev/nda0 -d /dev/nda1 host-freebsd
> Launching virtual machine "host-freebsd" ...
> fbuf frame buffer base: 0x827800000 [sz 16777216]
> 
>>> FreeBSD EFI boot block
>   Loader path: /boot/loader.efi
> 
>   Initializing modules: ZFS UFS
>   Load Path: \EFI\BOOT\BOOTX64.EFI
>   Load Device: PciRoot(0x0)/Pci(0x3,0x0)/Sata(0x0,0x0,0x0)/HD(2,GPT,<REDACTED>,0x250,0x5B0)
>   BootCurrent: 0000
>   BootOrder: 0000[*] 0001 0002 0003
>   Probing 8 block devices...not supported
> not supported
> not supported
> better
> not supported
> not supported
> not supported
> good
> done
>    ZFS found the following pools: tank
>    UFS found no partitions
> ZFS: unsupported compression algorithm (null)
> ZFS: i/o error - all block copies unavailable
> Failed to read node from tank (5)
> ZFS: unsupported compression algorithm (null)
> ZFS: i/o error - all block copies unavailable
> Failed to read node from tank (5)
> Failed to load '/boot/loader.efi'
> panic: No bootable partitions found!
> Boot Failed. EFI Hard Drive
> ...
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