uefi(8) fails to boot from ZFS with compression=zstd
Jan Beich
jbeich at FreeBSD.org
Fri Oct 23 02:02:34 UTC 2020
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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