From owner-svn-src-user@freebsd.org  Mon Oct 12 10:44:22 2015
Return-Path: <owner-svn-src-user@freebsd.org>
Delivered-To: svn-src-user@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 176D6A11E5E
 for <svn-src-user@mailman.ysv.freebsd.org>;
 Mon, 12 Oct 2015 10:44:22 +0000 (UTC) (envelope-from pho@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id D37D8162C;
 Mon, 12 Oct 2015 10:44:21 +0000 (UTC) (envelope-from pho@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id t9CAiKw9053757;
 Mon, 12 Oct 2015 10:44:20 GMT (envelope-from pho@FreeBSD.org)
Received: (from pho@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id t9CAiKUd053756;
 Mon, 12 Oct 2015 10:44:20 GMT (envelope-from pho@FreeBSD.org)
Message-Id: <201510121044.t9CAiKUd053756@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org
 using -f
From: Peter Holm <pho@FreeBSD.org>
Date: Mon, 12 Oct 2015 10:44:20 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-user@freebsd.org
Subject: svn commit: r289183 - user/pho/stress2/misc
X-SVN-Group: user
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-user@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: "SVN commit messages for the experimental &quot; user&quot;
 src tree" <svn-src-user.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-user>,
 <mailto:svn-src-user-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-user/>
List-Post: <mailto:svn-src-user@freebsd.org>
List-Help: <mailto:svn-src-user-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-user>,
 <mailto:svn-src-user-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 12 Oct 2015 10:44:22 -0000

Author: pho
Date: Mon Oct 12 10:44:20 2015
New Revision: 289183
URL: https://svnweb.freebsd.org/changeset/base/289183

Log:
  Added problem found.
  
  Sponsored by:	EMC / Isilon storage division

Modified:
  user/pho/stress2/misc/datamove4.sh

Modified: user/pho/stress2/misc/datamove4.sh
==============================================================================
--- user/pho/stress2/misc/datamove4.sh	Mon Oct 12 10:42:03 2015	(r289182)
+++ user/pho/stress2/misc/datamove4.sh	Mon Oct 12 10:44:20 2015	(r289183)
@@ -30,6 +30,11 @@
 
 # Variation of the datamove2.sh, using TMPFS
 # Deadlock seen
+# https://people.freebsd.org/~pho/stress/log/datamove4.txt
+
+# panic: elf32_putnote: Note type 10 changed as we read it (2236 > 2220)...
+# https://people.freebsd.org/~pho/stress/log/datamove4-2.txt
+# Fixed by r288944.
 
 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
 
@@ -174,6 +179,11 @@ unmapBuffer(char *bufferp)
 {
 	if (munmap(bufferp, pagesize * 2) == -1)
 		err(1, "unmap 1. buffer");
+	/*
+	   The following unmaps something random, which could trigger:
+	   Program received signal SIGSEGV, Segmentation fault.
+	   free (cp=0x28070000) at /usr/src/libexec/rtld-elf/malloc.c:311
+	*/
 	if (munmap(bufferp + pagesize * 2, pagesize * 2) == -1)
 		err(1, "unmap 2. buffer");
 }