>Number: 146786 >Category: misc >Synopsis: zpool import hangs with checksum errors >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri May 21 06:30:05 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Joseph Lenox >Release: 8.0-STABLE >Organization: >Environment: FreeBSD silmeria.valkyrie.dynalias.org 8.1-PRERELEASE FreeBSD 8.1-PRERELEASE #0: Thu May 20 21:29:45 CDT 2010 r...@silmeria.valkyrie.dynalias.org:/usr/obj/usr/src/sys/ALTQ amd64
>Description: zpool is hanging (top status: tx->tx) indefinitely when attempting to import a pool containing zfs checksum mismatches. zpool cannot be killed, and a reboot of the system is required to access any zfs commands (even for an unaffected pool). This problem is evident on 8.0-RELEASE and 8.1-PRERELEASE. Command used: /sbin/zpool import -p failmode=panic -f valkyrie /var/log/messages excerpt: May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd3 offset=494926778368 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd1 offset=494926778368 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd4 offset=494926778368 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd5 offset=494926778368 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd0 offset=494926778880 size=512 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd2 offset=494926778880 size=512 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd0 offset=129568120320 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd2 offset=129568120320 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd1 offset=129568120320 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd3 offset=129568120320 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd4 offset=129568120320 size=512 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd5 offset=129568120320 size=512 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd4 offset=289968832000 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd5 offset=289968832000 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd0 offset=289968832512 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd2 offset=289968832512 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd1 offset=289968832512 size=512 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd3 offset=289968832512 size=512 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd3 offset=494926778368 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd1 offset=494926778368 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd4 offset=494926778368 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd5 offset=494926778368 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd0 offset=494926778880 size=512 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd2 offset=494926778880 size=512 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd0 offset=129568120320 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd2 offset=129568120320 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd1 offset=129568120320 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd3 offset=129568120320 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd4 offset=129568120320 size=512 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd5 offset=129568120320 size=512 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd4 offset=289968832000 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd5 offset=289968832000 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd0 offset=289968832512 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd2 offset=289968832512 size=1024 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd1 offset=289968832512 size=512 May 21 00:58:32 silmeria root: ZFS: checksum mismatch, zpool=valkyrie path=/dev/aacd3 offset=289968832512 size=512 May 21 00:58:32 silmeria root: ZFS: zpool I/O failure, zpool=valkyrie error=86 May 21 00:58:32 silmeria root: ZFS: vdev I/O failure, zpool=valkyrie path= offset= size= error= >How-To-Repeat: Invoke a checksum error in a ZFS dataset. This can be done with an enabled write cache for a RAID controller and inopportune powercycling. Any attempt to access the pool in that system will cause checksum mismatch errors to be reported in /var/log/messages. >Fix: >Release-Note: >Audit-Trail: >Unformatted: _______________________________________________ freebsd-bugs@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-bugs To unsubscribe, send any mail to "freebsd-bugs-unsubscr...@freebsd.org"
