From oberman@es.net  Fri Nov  7 09:59:57 2003
Return-Path: <oberman@es.net>
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 70C7916A4CE
	for <FreeBSD-gnats-submit@freebsd.org>; Fri,  7 Nov 2003 09:59:57 -0800 (PST)
Received: from postal1.es.net (proxy.es.net [198.128.3.205])
	by mx1.FreeBSD.org (Postfix) with ESMTP id E0A7C4401A
	for <FreeBSD-gnats-submit@freebsd.org>; Fri,  7 Nov 2003 09:59:53 -0800 (PST)
	(envelope-from oberman@es.net)
Received: from ptavv.es.net ([198.128.4.29])
        by postal1.es.net (Postal Node 1) with ESMTP (SSL) id MUA74016
        for <FreeBSD-gnats-submit@freebsd.org>; Fri, 07 Nov 2003 09:59:52 -0800
Received: by ptavv.es.net (Tachyon Server, from userid 9381)
	id 6F8DF5D08; Fri,  7 Nov 2003 09:59:52 -0800 (PST)
Message-Id: <20031107175952.6F8DF5D08@ptavv.es.net>
Date: Fri,  7 Nov 2003 09:59:52 -0800 (PST)
From: Kevin Oberman <oberman@es.net>
Reply-To: Kevin Oberman <oberman@es.net>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: Memory leak when reading from ATAPI/CAM DVD drive
X-Send-Pr-Version: 3.113
X-GNATS-Notify:

>Number:         59043
>Category:       kern
>Synopsis:       Memory leak when reading from ATAPI/CAM DVD drive
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Nov 07 10:00:32 PST 2003
>Closed-Date:    Mon Apr 12 20:31:00 PDT 2004
>Last-Modified:  Mon Apr 12 20:31:00 PDT 2004
>Originator:     Kevin Oberman
>Release:        FreeBSD 5.1-CURRENT i386
>Organization:
ESnet -- The Energy Scienses Network
>Environment:
System: FreeBSD puppeteer.es.net 5.1-CURRENT FreeBSD 5.1-CURRENT #46: Fri Oct 31 10:51:08 PST 2003 oberman@puppeteer.es.net:/usr/obj/usr/src/sys/IBM-T30-D i386

>Description:
	When reading data from an ATAPI/CAM DVD device, I see a
continual leakage of kernel memory. It is visible with:
vmstat -m | grep "ATA r". Looping this every minute shows the kernel
memory usage increasing at the rate of over 2 MB/minute. This means
all available kernel VM is exhausted after about 1 hour of access.
# vmstat -m | grep "ATA r" && sleep 60 && vmstat -m | grep "ATA r"
  ATA request312010 39002K  39002K   316526  128
  ATA request330424 41303K  41303K   334980  128
>How-To-Repeat:
	Using ATAPI/CAM, use mplayer to play a DVD. Watch the system
die after about 60 minutes.
>Fix:
Unknown


>Release-Note:
>Audit-Trail:

From: "Kevin Oberman" <oberman@es.net>
To: freebsd-gnats-submit@freebsd.org
Cc:  
Subject: Re: kern/59043: Memory leak when reading from ATAPI/CAM DVD drive
Date: Mon, 12 Apr 2004 14:07:28 -0700

 This was fixed within a day or two after I submitted the
 problem. (scottl fixed it in atapi-cam.c V1.27.)
 
 Please close the PR.
 -- 
 R. Kevin Oberman, Network Engineer
 Energy Sciences Network (ESnet)
 Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
 E-mail: oberman@es.net			Phone: +1 510 486-8634
State-Changed-From-To: open->closed 
State-Changed-By: maxim 
State-Changed-When: Mon Apr 12 20:28:55 PDT 2004 
State-Changed-Why:  
The submitter reports the problem was fixed 
in rev. 1.27 sys/dev/ata/atapi-cam.c. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=59043 
>Unformatted:
