I have set up a new raidz2 with encrypted LUKS block devices: # zpool status pool: data state: ONLINE scan: scrub repaired 0 in 0h0m with 0 errors on Tue Mar 3 18:38:05 2015 config: NAME STATE READ WRITE CKSUM data ONLINE 0 0 0 raidz2-0 ONLINE 0 0 0 crypt-b ONLINE 0 0 0 crypt-c ONLINE 0 0 0 crypt-d ONLINE 0 0 0 crypt-e ONLINE 0 0 0 crypt-f ONLINE 0 0 0 Reproducible: Always Steps to Reproduce: 1. Make sure certain kernel configuration options are disabled (see kernel configuration attached) 2. Unmask zfs and related: sys-fs/zfs ~amd64 sys-fs/zfs-kmod ~amd64 sys-kernel/spl ~amd64 3. emerge zfs 4. systemctl enable zfs (or equivalent) 5. Reboot 6. Set up a similar setup to above 7. Mount 8. rsync some-data/ /the-mount-point/new-place Actual Results: Kernel panic Expected Results: Should not kernel panic # emerge --info zfs Portage 2.2.17 (python 3.3.5-final-0, hardened/linux/amd64, gcc-4.8.3, glibc-2.19-r1, 3.17.7-hardened-r1 x86_64) ================================================================= System Settings ================================================================= System uname: Linux-3.17.7-hardened-r1-x86_64-AMD_FX-tm-8150_Eight-Core_Processor-with-gentoo-2.2 KiB Mem: 16384616 total, 14841592 free KiB Swap: 0 total, 0 free Timestamp of repository gentoo: Tue, 24 Feb 2015 12:45:01 +0000 sh bash 4.3_p33-r1 ld GNU ld (Gentoo 2.24 p1.4) 2.24 app-shells/bash: 4.3_p33-r1::gentoo dev-java/java-config: 2.2.0::gentoo dev-lang/perl: 5.20.1-r4::gentoo dev-lang/python: 2.7.9-r1::gentoo, 3.3.5-r1::gentoo dev-util/cmake: 2.8.12.2-r1::gentoo dev-util/pkgconfig: 0.28-r1::gentoo sys-apps/baselayout: 2.2::gentoo sys-apps/openrc: 0.13.11::gentoo sys-apps/sandbox: 2.6-r1::gentoo sys-devel/autoconf: 2.69::gentoo sys-devel/automake: 1.13.4::gentoo sys-devel/binutils: 2.24-r3::gentoo sys-devel/gcc: 4.8.3::gentoo sys-devel/gcc-config: 1.7.3::gentoo sys-devel/libtool: 2.4.4::gentoo sys-devel/make: 4.0-r1::gentoo sys-kernel/linux-headers: 3.16::gentoo (virtual/os-headers) sys-libs/glibc: 2.19-r1::gentoo Repositories: gentoo location: /usr/portage sync-type: rsync sync-uri: rsync://rsync.namerica.gentoo.org/gentoo-portage priority: -1000 tatsh-overlay location: /var/lib/layman/tatsh-overlay masters: gentoo priority: 0 jamiel-gentoo-overlay location: /var/lib/layman/jamiel-gentoo-overlay masters: gentoo priority: 1 srcshelton location: /var/lib/layman/srcshelton masters: gentoo priority: 2 vortex location: /var/lib/layman/vortex masters: gentoo priority: 3 java location: /var/lib/layman/java masters: gentoo priority: 4 Installed sets: @anfplaylists, @ansible, @bashcomp, @beanstalk, @bloodhound, @cdr, @cgit, @clang, @compass, @cups, @git, @libimobiledevice, @micasa, @misc, @mysql, @nginx, @php, @portage-dev, @portage-utilities, @postgresql, @python, @rar, @ssh, @tatshnet, @uwsgi ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="*" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=native" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.5/ext-active/ /etc/php/apache2-php5.6/ext-active/ /etc/php/cgi-php5.5/ext-active/ /etc/php/cgi-php5.6/ext-active/ /etc/php/cli-php5.5/ext-active/ /etc/php/cli-php5.6/ext-active/ /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="-O2 -pipe -march=native" DISTDIR="/usr/portage/distfiles" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs buildpkg clean-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://gentoo.osuosl.org/ http://gentoo.mirrors.pair.com/ rsync://mirrors.rit.edu/gentoo/ http://mirrors.rit.edu/gentoo/ http://gentoo.llarian.net/ rsync://gentoo.mirrors.tds.net/gentoo http://ftp.ucsb.edu/pub/mirrors/linux/gentoo/ http://gentoo.cites.uiuc.edu/pub/gentoo/" LANG="en_GB.utf8" LDFLAGS="-Wl,--as-needed" MAKEOPTS="-j9" 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" PORTAGE_TMPDIR="/var/tmp" USE="acl aes amd64 avx bash-completion bzip2 cjk cli cracklib crypt cxx dri ffmpeg fma4 gdbm gif gpm hardened iconv idn ipv6 jemalloc jpeg justify mmx mmxext modules multilib ncurses nls nptl openmp pam pax_kernel pcre png popcnt readline session sse sse2 sse3 sse4_1 sse4_2 sse4a ssl ssse3 svg syslog systemd tcpd tiff unicode urandom vim-syntax xattr xop xtpax zlib" ABI_X86="64" 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="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx fma4 mmx mmxext popcnt sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 xop" DRACUT_MODULES="crypt crypt-gpg crypt-loop dmraid gensplash lvm ssh-client systemd" 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 efi-64" INPUT_DEVICES="evdev joystick keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en_GB en" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_3" RUBY_TARGETS="ruby19 ruby20" USERLAND="GNU" VIDEO_CARDS="v4l" 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" USE_PYTHON="2.7 3.3" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS ================================================================= Package Settings ================================================================= sys-fs/zfs-0.6.3-r2::gentoo was built with the following: USE="bash-completion rootfs -custom-cflags -debug (-kernel-builtin) -static-libs -test-suite" ABI_X86="64" PYTHON_TARGETS="python2_7 python3_3 -python3_4"
Created attachment 397996 [details] kernel configuration
Able to reproduce with dd on its own: cd /mount-point/ dd if=/dev/zero count=1000 of=test.img bs=1G After about 30 seconds, the kernel panic occurs.
Upgraded to 9999 versions and no kernel panics. Over 50 GiB copied over rsync so far.
This issue appears to be gone with zfs and related items at version 0.6.4
It looks like this commit fixed this: https://github.com/zfsonlinux/spl/commit/a3c1eb77721a0d511b4fe7111bb2314686570c4b In the future, I suggest filing panic reports upstream. The overwhelming majority of issues are upstream issues. I have been spending the time that I have for working on non-Gentoo specific ZFS bugs at the upstream tracker.