Fwd: [bug #48885] zfs_mount fails with `org.zfsonlinux:large_dnode` enabled: Unsupported features in pool

[Andrei Borzenkov]

Thomas, any idea? Does it need explicit support or we can simply list
this feature? Could you help with implementation? Thank you!


-------- Перенаправленное сообщение --------
Тема: [bug #48885] zfs_mount fails with `org.zfsonlinux:large_dnode`
enabled: Unsupported features in pool
Дата: Wed, 24 Aug 2016 17:21:55 +0000 (UTC)
От: Niklas Haas <address@hidden>
Кому: Niklas Haas <address@hidden>, address@hidden

URL:
  <http://savannah.gnu.org/bugs/?48885>

                 Summary: zfs_mount fails with `org.zfsonlinux:large_dnode`
enabled: Unsupported features in pool
                 Project: GNU GRUB
            Submitted by: haasn
            Submitted on: Wed 24 Aug 2016 05:21:52 PM GMT
                Category: Filesystem
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name:         Originator Email:
Open/Closed: Open
         Discussion Lock: Any
                 Release:                  Release: Git master
         Reproducibility: Every Time
         Planned Release: None

    _______________________________________________________

Details:



# zpool get address@hidden
NAME         PROPERTY             VALUE                SOURCE
zarathustra  address@hidden  active               local

# grub-probe -vvvv /
...
grub-core/kern/fs.c:56: Detecting zfs...
grub-core/osdep/hostdisk.c:416: opening the device `/dev/sdc1' in
open_device()
grub-core/fs/zfs/zfs.c:1192: label ok 0
grub-core/osdep/hostdisk.c:395: reusing open device `/dev/sdc1'
grub-core/fs/zfs/zfs.c:1007: check 2 passed
grub-core/fs/zfs/zfs.c:1018: check 3 passed
grub-core/fs/zfs/zfs.c:1025: check 4 passed
grub-core/fs/zfs/zfs.c:1035: check 6 passed
grub-core/fs/zfs/zfs.c:1043: check 7 passed
grub-core/fs/zfs/zfs.c:1054: check 8 passed
grub-core/fs/zfs/zfs.c:1064: check 9 passed
grub-core/fs/zfs/zfs.c:1086: check 11 passed
grub-core/fs/zfs/zfs.c:1112: check 10 passed
grub-core/fs/zfs/zfs.c:1128: str=com.delphix:embedded_data
grub-core/fs/zfs/zfs.c:1137: check 12 passed (feature flags)
grub-core/fs/zfs/zfs.c:1878: zio_read: E 0: size 2048/2048
grub-core/fs/zfs/zfs.c:1899: endian = -1
grub-core/fs/zfs/zfs.c:595: dva=8, b47f00
grub-core/osdep/hostdisk.c:395: reusing open device `/dev/sdc1'
grub-core/fs/zfs/zfs.c:2681: endian = -1, blkid=0
grub-core/fs/zfs/zfs.c:2023: endian = -1
grub-core/fs/zfs/zfs.c:2054: endian = -1
grub-core/fs/zfs/zfs.c:1878: zio_read: E 0: size 16384/4096
grub-core/fs/zfs/zfs.c:1899: endian = -1
grub-core/fs/zfs/zfs.c:595: dva=8, b47ef8
grub-core/osdep/hostdisk.c:395: reusing open device `/dev/sdc1'
grub-core/fs/zfs/zfs.c:2023: endian = 1
grub-core/fs/zfs/zfs.c:2049: endian = 1
grub-core/fs/zfs/zfs.c:1878: zio_read: E 0: size 16384/4096
grub-core/fs/zfs/zfs.c:1899: endian = 1
grub-core/fs/zfs/zfs.c:595: dva=8, b3fdd8
grub-core/osdep/hostdisk.c:395: reusing open device `/dev/sdc1'
grub-core/fs/zfs/zfs.c:2685: alive
grub-core/fs/zfs/zfs.c:2496: looking for 'features_for_read'
grub-core/fs/zfs/zfs.c:2023: endian = 1
grub-core/fs/zfs/zfs.c:2049: endian = 1
grub-core/fs/zfs/zfs.c:1878: zio_read: E 0: size 1024/1024
grub-core/fs/zfs/zfs.c:1899: endian = 1
grub-core/fs/zfs/zfs.c:595: dva=8, 8afdc8
grub-core/osdep/hostdisk.c:395: reusing open device `/dev/sdc1'
grub-core/fs/zfs/zfs.c:2506: zap read
grub-core/fs/zfs/zfs.c:2510: micro zap
grub-core/fs/zfs/zfs.c:2513: returned 0
grub-core/fs/zfs/zfs.c:2681: endian = -1, blkid=1
grub-core/fs/zfs/zfs.c:2023: endian = -1
grub-core/fs/zfs/zfs.c:2054: endian = -1
grub-core/fs/zfs/zfs.c:1878: zio_read: E 0: size 16384/4096
grub-core/fs/zfs/zfs.c:1899: endian = -1
grub-core/fs/zfs/zfs.c:595: dva=8, b47ef8
grub-core/fs/zfs/zfs.c:2023: endian = 1
grub-core/fs/zfs/zfs.c:2049: endian = 1
grub-core/fs/zfs/zfs.c:1878: zio_read: E 0: size 16384/4096
grub-core/fs/zfs/zfs.c:1899: endian = 1
grub-core/fs/zfs/zfs.c:595: dva=8, b47ee8
grub-core/fs/zfs/zfs.c:2685: alive
grub-core/fs/zfs/zfs.c:2023: endian = 1
grub-core/fs/zfs/zfs.c:2049: endian = 1
grub-core/fs/zfs/zfs.c:1878: zio_read: E 0: size 512/512
grub-core/fs/zfs/zfs.c:1899: endian = 1
grub-core/fs/zfs/zfs.c:595: dva=8, 8b00a0
grub-core/osdep/hostdisk.c:395: reusing open device `/dev/sdc1'
grub-core/fs/zfs/zfs.c:2112: zap: name = com.delphix:extensible_dataset,
value
= 26, cd = 0
grub-core/fs/zfs/zfs.c:2112: zap: name = com.delphix:embedded_data,
value = 1,
cd = 0
grub-core/fs/zfs/zfs.c:2112: zap: name = org.open-zfs:large_blocks,
value = 0,
cd = 0
grub-core/fs/zfs/zfs.c:2112: zap: name = org.zfsonlinux:large_dnode, value =
26, cd = 0
grub-core/kern/fs.c:78: zfs detection failed.
...


Aside: For some reason, the “Unsupported features in pool” message doesn't
actually get printed. Don't ask me why, but I have stepped through
`zfs_mount`
in gdb and confirmed that it hits the following call:


      grub_error (GRUB_ERR_BAD_FS, "Unsupported features in pool");


This issue is most likely due to the fact that `large_dnode` is not
listed in
the list of supported features in `static const char *spa_feature_names[]`,
and therefore also probably doesn't work.


# grub-probe --version
grub-probe (GRUB) 2.02~beta3

# emerge --info grub
Portage 2.3.0 (python 2.7.12-final-0, hardened/linux/amd64, gcc-5.4.0,
glibc-2.23-r2, 4.7.1-hardened-gnu x86_64)
=================================================================
                         System Settings
=================================================================
System uname:
address@hidden
KiB Mem:    32907552 total,    786920 free
KiB Swap:          0 total,         0 free
Timestamp of repository gentoo: Tue, 23 Aug 2016 18:15:01 +0000
sh dash 0.5.9
ld GNU ld (Gentoo 2.26.1 p1.0) 2.26.1
app-shells/bash:          4.3_p46::gentoo
dev-lang/perl:            5.24.0-r1::gentoo
dev-lang/python:          2.7.12::gentoo, 3.4.5::gentoo, 3.5.2::gentoo
dev-util/cmake:           3.6.1::gentoo
dev-util/pkgconfig:       0.29.1::gentoo
sys-apps/baselayout:      2.2-r1::gentoo
sys-apps/openrc:          0.21.3::gentoo
sys-apps/sandbox:         2.10-r2::gentoo
sys-devel/autoconf:       2.13::gentoo, 2.69-r2::gentoo
sys-devel/automake:       1.11.6-r2::gentoo, 1.13.4-r1::gentoo,
1.14.1-r1::gentoo, 1.15-r2::gentoo
sys-devel/binutils:       2.26.1::gentoo
sys-devel/gcc:            5.4.0::gentoo
sys-devel/gcc-config:     1.8-r1::gentoo
sys-devel/libtool:        2.4.6-r2::gentoo
sys-devel/make:           4.2.1::gentoo
sys-kernel/linux-headers: 4.7::gentoo (virtual/os-headers)
sys-libs/glibc:           2.23-r2::gentoo
Repositories:

gentoo
    location: /usr/portage
    sync-type: rsync
    sync-uri: rsync://rsync.de.gentoo.org/gentoo-portage
    priority: -1000

local_overlay
    location: /usr/local/portage
    masters: gentoo
    priority: 0

deter
    location: /var/lib/layman/deter
    masters: gentoo
    priority: 50

dotnet
    location: /var/lib/layman/dotnet
    masters: gentoo
    priority: 50

emery
    location: /var/lib/layman/emery
    masters: gentoo
    priority: 50

haskell
    location: /var/lib/layman/haskell
    masters: gentoo
    priority: 50

kde
    location: /var/lib/layman/kde
    masters: gentoo
    priority: 50

mva
    location: /var/lib/layman/mva
    masters: gentoo
    priority: 50

palemoon
    location: /var/lib/layman/palemoon
    masters: gentoo
    priority: 50

qt
    location: /var/lib/layman/qt
    masters: gentoo
    priority: 50

sunrise
    location: /var/lib/layman/sunrise
    masters: gentoo
    priority: 50

vapoursynth
    location: /var/lib/layman/vapoursynth
    masters: gentoo
    priority: 50

ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* address@hidden"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt
/usr/share/i18n/locales"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d
/etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild
/etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d
/etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-march=native -O2 -pipe"
DISTDIR="/var/cache/distfiles"
EMERGE_DEFAULT_OPTS="--ask --ask-enter-invalid --alert --keep-going
--quiet-unmerge-warn --quiet-build --quiet-fail
--ignore-built-slot-operator-deps=y --jobs=20 --load-average=16 --tree"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs compressdebug
config-protect-if-modified
distlocks ebuild-locks fixlafiles installsources merge-sync news
parallel-fetch preserve-libs protect-owned sandbox sfperms splitdebug strict
unknown-features-warn unmerge-logs unmerge-orphans usersandbox usersync"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://de-mirror.org/gentoo/ http://gentoo.mneisen.org/
http://mirror.netcologne.de/gentoo/
http://ftp.halifax.rwth-aachen.de/gentoo/
http://ftp.spline.inf.fu-berlin.de/mirrors/gentoo/
http://ftp.uni-erlangen.de/pub/mirrors/gentoo
http://ftp-stud.hs-esslingen.de/pub/Mirrors/gentoo/";
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="--jobs=33"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times
--omit-dir-times --compress --force --whole-file --delete --stats
--human-readable --timeout=180 --exclude=/distfiles --exclude=/local
--exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
USE="X a52 aac acl acpi amd64 aspell avx bash-completion bazaar berkdb
branding btrfs bzip2 cairo caps cdr cjk clang cli color-management cracklib
crypt cuda cvs cxx darcs dri dts dvd dvdr emboss encode exif fam ffmpeg
firefox flac fontconfig gdbm gif git glamor gpg gpm gtk guile hardened http2
iconv idn ipv6 jbig jpeg jpeg2k justify lcms ldap libnotify littlecms
llvm lua
lzma lzo mad mem-scramble mercurial mmx mmxext mng modules mp3 mp4 mpeg
multilib ncurses nls nptl numa ogg opencl openexr opengl openmp otr pam
pango
pax_kernel pcre pdf perl pie png polarssl ppds python qt qt3support qt5
readline ruby sasl savedconfig sdl seccomp session socks socks5 spell
sse sse2
sse3 sse4 sse4_1 sse4_2 ssl ssp ssse3 subversion svg systemd tcpd theora
threads tiff truetype tta udev unicode urandom usb vim vim-syntax vorbis
wavpack wxwidgets x264 xattr xcb xetex xfs xft xml xtpax xvid xz zlib zsh
zsh-completion" ABI_X86="64 32" ALSA_CARDS="ali5451 als4000 atiixp
atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968
fm801
hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx
via82xx-modem
ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions
alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file
authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user
autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env
expires ext_filter file_cache filter headers include info log_config logio
mem_cache mime mime_magic negotiation rewrite setenvif speling status
unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="krita"
CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap
syslog" CPU_FLAGS_X86="mmx sse sse2 sse3 ssse3 mmxext sse4 sse4_1 sse4_2 avx
aes" DRACUT_MODULES="btrfs" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm
earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip
navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2
timing
tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="pc" INPUT_DEVICES="keyboard
mouse
evdev" KERNEL="linux" L10N="en" LCD_DEVICES="bayrad cfontz cfontz633 glk
hd44780 lb216 lcdm001 mtxorb ncurses text"
LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en"
OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-6"
PYTHON_SINGLE_TARGET="python3_5" PYTHON_TARGETS="python2_7 python3_5"
RUBY_TARGETS="ruby20 ruby21 ruby22 ruby23" USERLAND="GNU"
XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p
iface
geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac
delude chaos account"
Unset:  CC, CPPFLAGS, CTARGET, CXX, INSTALL_MASK, LC_ALL,
PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS,
PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON

=================================================================
                        Package Settings
=================================================================

sys-boot/grub-9999::gentoo was built with the following:
USE="fonts libzfs multislot nls sdl themes truetype -debug
-device-mapper -doc
-efiemu -mount -static -test" ABI_X86="64" GRUB_PLATFORMS="pc -coreboot
-efi-32 -efi-64 -emu -ieee1275 -loongson -multiboot -qemu -qemu-mips -uboot
-xen -xen-32"
CFLAGS=""
LDFLAGS=""





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