From nobody@FreeBSD.org  Sun Jan 22 11:27:17 2012
Return-Path: <nobody@FreeBSD.org>
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id CB907106566B
	for <freebsd-gnats-submit@FreeBSD.org>; Sun, 22 Jan 2012 11:27:17 +0000 (UTC)
	(envelope-from nobody@FreeBSD.org)
Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22])
	by mx1.freebsd.org (Postfix) with ESMTP id BB3698FC08
	for <freebsd-gnats-submit@FreeBSD.org>; Sun, 22 Jan 2012 11:27:17 +0000 (UTC)
Received: from red.freebsd.org (localhost [127.0.0.1])
	by red.freebsd.org (8.14.4/8.14.4) with ESMTP id q0MBRH6L024501
	for <freebsd-gnats-submit@FreeBSD.org>; Sun, 22 Jan 2012 11:27:17 GMT
	(envelope-from nobody@red.freebsd.org)
Received: (from nobody@localhost)
	by red.freebsd.org (8.14.4/8.14.4/Submit) id q0MBRH5j024500;
	Sun, 22 Jan 2012 11:27:17 GMT
	(envelope-from nobody)
Message-Id: <201201221127.q0MBRH5j024500@red.freebsd.org>
Date: Sun, 22 Jan 2012 11:27:17 GMT
From: Dmitry Afanasiev <KOT@MATPOCKuH.Ru>
To: freebsd-gnats-submit@FreeBSD.org
Subject: zfs destroy for snapshot fails on i386
X-Send-Pr-Version: www-3.1
X-GNATS-Notify:

>Number:         164370
>Category:       kern
>Synopsis:       [zfs] zfs destroy for snapshot fails on i386 and sparc64
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-fs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Jan 22 11:30:12 UTC 2012
>Closed-Date:    
>Last-Modified:  Tue Jun 12 19:30:10 UTC 2012
>Originator:     Dmitry Afanasiev
>Release:        FreeBSD 9.0-STABLE i386
>Organization:
>Environment:
FreeBSD kot 9.0-STABLE FreeBSD 9.0-STABLE #55: Fri Jan  6 16:07:09 MSK 2012     root@kot:/usr/obj/usr/src/sys/kot  i386

>Description:
zfs destroy without -R options fails for any snapshot on _i386_ systems.
I have no this problem on my amd64 and sparc64 systems with same source code level.

>How-To-Repeat:
# zpool create tank `mdconfig -a -t swap -s 64m`
# zfs snapshot tank@snap
# zfs destroy -v tank@snap
will destroy tank@snap
will reclaim 0
# echo $?
1
# zfs destroy -rv tank@snap
will destroy tank@snap
will reclaim 0
# echo $?
1
# zfs destroy -Rv tank@snap
will destroy tank@snap
will reclaim 0
# echo $?
0

>Fix:


>Release-Note:
>Audit-Trail:

From: Dmitry Afanasiev <KOT@MATPOCKuH.Ru>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: misc/164370: zfs destroy for snapshot fails on i386
Date: Sun, 22 Jan 2012 17:30:20 +0400

 Oops. I'm confused.
 Problem exists on sparc64 too.
 Only amd64 systems not affected by this issue.
Responsible-Changed-From-To: freebsd-bugs->freebsd-fs 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Sun Jan 22 18:34:49 UTC 2012 
Responsible-Changed-Why:  
Over to maintainer(s). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=164370 

From: Michael Donaghy <md401@srcf.ucam.org>
To: bug-followup@FreeBSD.org, KOT@MATPOCKuH.Ru
Cc:  
Subject: Re: kern/164370: [zfs] zfs destroy for snapshot fails on i386 and sparc64
Date: Tue, 12 Jun 2012 20:22:13 +0100

 I have this problem on my amd64 system, so it's not as simple as
 i386/sparc vs amd64.
>Unformatted:
