kern/162277: Repeatable system crash when offlining a zpool vdev
Gary Smith
gahcho at gmail.com
Thu Nov 3 22:30:12 UTC 2011
>Number: 162277
>Category: kern
>Synopsis: Repeatable system crash when offlining a zpool vdev
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Nov 03 22:30:11 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator: Gary Smith
>Release: 9.0-RC1
>Organization:
>Environment:
FreeBSD v2 9.0-RC1 FreeBSD 9.0-RC1 #0: Tue Oct 18 18:51:43 UTC 2011 root at farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64
>Description:
I created two zfs vdevs with mkfile, then created a zpool mirror. Attempting to offline one of the devices will result in a system crash and reboot.
#####
(root at v2) ~/t#mkfile 100m a
(root at v2) ~/t#mkfile 100m b
(root at v2) ~/t#zpool create u3 mirror ~/t/a ~/t/b
(root at v2) ~/t#zpool status u3
pool: u3
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
u3 ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
/root/t/a ONLINE 0 0 0
/root/t/b ONLINE 0 0 0
errors: No known data errors
(root at v2) ~/t#zpool offline u3 /root/t/b
>How-To-Repeat:
The steps listed in the description will always cause a crash.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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