kern/125859: ata access failure

[KOIE Hidetaka]

>Number:         125859
>Category:       kern
>Synopsis:       ata access failure
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Jul 22 10:40:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     KOIE Hidetaka
>Release:        8.0-CURRENT
>Organization:
surigiken
>Environment:
FreeBSD guriandgura 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Fri Jul 18 22:14:34 JST 2008     koie at guriandgura:/usr/obj/usr/src/sys/GURIANDGURA  amd64

>Description:
Since about 2008-04-26, SATA disk access has been failed like this:

Jun 12 13:23:38 guriandgura kernel: This module (opensolaris) contains code covered by the
Jun 12 13:23:38 guriandgura kernel: Common Development and Distribution License (CDDL)
Jun 12 13:23:38 guriandgura kernel: see http://opensolaris.org/os/licensing/opensolaris_license/
Jun 12 13:23:38 guriandgura kernel: WARNING: ZFS is considered to be an experimental feature in FreeBSD.
Jun 12 13:23:38 guriandgura kernel: ZFS filesystem version 6
Jun 12 13:23:38 guriandgura kernel: ZFS storage pool version 6
Jun 12 13:23:39 guriandgura savecore: no dumps found
Jun 12 13:23:40 guriandgura kernel: ad8: FAILURE - load data
Jun 12 13:23:40 guriandgura kernel: ad8: setting up DMA failed
Jun 12 13:23:40 guriandgura kernel: ad8: FAILURE - load data
Jun 12 13:23:40 guriandgura kernel: ad8: setting up DMA failed
Jun 12 13:23:40 guriandgura root: ZFS: vdev I/O failure, zpool=tank path=/dev/ad8s2 offset=166491586560 size=65536 error=5
Jun 12 13:23:40 guriandgura root: ZFS: vdev I/O failure, zpool=tank path=/dev/ad8s2 offset=5731194880 size=2048 error=5
Jun 12 13:23:40 guriandgura root: ZFS: vdev I/O failure, zpool=tank path=/dev/ad8s2 offset=2906914816 size=65536 error=5
Jun 12 13:23:40 guriandgura kernel: ad8: FAILURE - load data
Jun 12 13:23:40 guriandgura kernel: ad8: setting up DMA failed
Jun 12 13:23:40 guriandgura kernel: ad8: FAILURE - load data
Jun 12 13:23:40 guriandgura kernel: ad8: setting up DMA failed
Jun 12 13:23:40 guriandgura root: ZFS: vdev I/O failure, zpool=tank path=/dev/ad8s2 offset=5731215872 size=2048 error=5
Jun 12 13:23:40 guriandgura root: ZFS: vdev I/O failure, zpool=tank path=/dev/ad8s2 offset=304486066688 size=65536 error=5
Jun 12 13:23:40 guriandgura kernel: ad8: FAILURE - load data
Jun 12 13:23:40 guriandgura kernel: ad8: setting up DMA failed
Jun 12 13:23:40 guriandgura kernel: ad8: FAILURE - load data
Jun 12 13:23:40 guriandgura kernel: ad8: setting up DMA failed
Jun 12 13:23:40 guriandgura root: ZFS: vdev I/O failure, zpool=tank path=/dev/ad8s2 offset=5731219968 size=2048 error=5
Jun 12 13:23:40 guriandgura root: ZFS: vdev I/O failure, zpool=tank path=/dev/ad10s2 offset=25349040640 size=65536 error=5
Jun 12 13:23:40 guriandgura kernel: ad10: FAILURE - load data


Now, to avoid crash, I'm using dev/ata at 2008-04-26.

This bug has power to break RAIDZ filesystem.

The motherboard is TYAN Thunder n3600B (S2927).
http://www.tyan.com/product_board_detail.aspx?pid=175
>How-To-Repeat:
boot and use.

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: