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Date: 9 Nov 2002 20:42:36 -0000
From: Gleb V.Kotelnitskyy <kiz@pth.ntu-kpi.kiev.ua>
Reply-To: Gleb V.Kotelnitskyy <kiz@pth.ntu-kpi.kiev.ua>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: kernel panics when trying to write to ufs 
X-Send-Pr-Version: 3.113
X-GNATS-Notify:

>Number:         45170
>Category:       kern
>Synopsis:       kernel panics when trying to write to ufs
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kris
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Nov 09 12:50:00 PST 2002
>Closed-Date:    Sat Oct 04 21:25:29 PDT 2003
>Last-Modified:  Sat Oct 04 21:25:29 PDT 2003
>Originator:     Gleb V. Kotelnitskyy
>Release:        FreeBSD 4.7-RELEASE-p1 i386
>Organization:
National Technical Universitet of Ukraine "Kyiv Politechnical Institute" 
>Environment:
System: FreeBSD mate.pth.ntu-kpi.kiev.ua 4.7-RELEASE-p1 FreeBSD 4.7-RELEASE-p1 #0: Fri Nov 8 11:46:17 EET 2002 root@mate.pth.ntu-kpi.kiev.ua:/usr/src/sys/compile/pth_by_nick i386


	
ad0: 38166MB <ST340810A> [77545/16/63] at ata0-master UDMA33    #seagate U6
ad1: 76319MB <ST380021A> [155061/16/63] at ata1-master UDMA33   #Barracuda IV
Mounting root from ufs:/dev/ad0s1a                                             

from fstab:
/dev/ad1s1e             /mnt/ftp2       ufs     rw              2     2      

for  /dev/ad1s1e newfs args was:     -b 32768 -f 4096

>Description:
when trying to copy some directory ierarchy containing great amount of files to some directory on /mnt/ftp2, regadless of source or dest subdir in /mnt/ftp2 
kernel panic occures, such info is printed on console:

dscheck(#ad/0x2000c):negative b_blkno -539361920
panic: ffs_vfree: range: dev = (116,131084), ino = -719099040, fs=/mnt/ftp2

suncing... 33 16 7 5 4 4 ....
giving up on 2 buffers


there are no other errors about /dev/ad1s1e appearing through system uptime.

>How-To-Repeat:
>Fix:
	no

>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: kris 
State-Changed-When: Mon Jul 14 02:42:15 PDT 2003 
State-Changed-Why:  
Does this problem persist with a later release?  If so, 
please obtain a debugging traceback as explained in 
http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html 

http://www.freebsd.org/cgi/query-pr.cgi?pr=45170 
Responsible-Changed-From-To: freebsd-bugs->kris 
Responsible-Changed-By: kris 
Responsible-Changed-When: Fri Aug 15 20:25:36 PDT 2003 
Responsible-Changed-Why:  
I am attempting to reproduce the problems with -b 32768 -f 4096 
filesystems. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=45170 
State-Changed-From-To: feedback->open 
State-Changed-By: kris 
State-Changed-When: Fri Aug 15 20:26:00 PDT 2003 
State-Changed-Why:  
Feedback received.  The problem does not exist with default 
UFS settings, but may still persist with -b 32768 -f 4096 

http://www.freebsd.org/cgi/query-pr.cgi?pr=45170 

From: Kris Kennaway <kris@obsecurity.org>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/45170: kernel panics when trying to write to ufs
Date: Fri, 15 Aug 2003 20:24:21 -0700

 Adding to audit trail
 
 ----- Forwarded message from Gleb Kotelnitsky <kiz@ukr.net> -----
 
 X-Original-To: kkenn@localhost
 Delivered-To: kkenn@localhost.obsecurity.org
 Delivered-To: kris@freebsd.org
 Date: Wed, 16 Jul 2003 13:05:15 +0300
 From: Gleb Kotelnitsky <kiz@ukr.net>
 X-Mailer: The Bat! (v1.53)
 Reply-To: Gleb Kotelnitsky <kiz@ukr.net>
 X-Priority: 3 (Normal)
 To: Kris Kennaway <kris@FreeBSD.org>
 Subject: Re[2]: kern/45170: kernel panics when trying to write to ufs
 In-Reply-To: <200307140944.h6E9iNZ7087380@freefall.freebsd.org>
 X-UIDL: 658de4dd2caee2be4777ba618b9d3923
 X-Bogosity: No, tests=bogofilter, spamicity=0.000000, version=0.13.7.2
 
 Hello Kris,
 i've changed newfs options from -b 32768 -f 4096 to defaults about
 April of 2003, and the problem disappeared.
 before i've done that on that time 4-STABLE(that was AFAIR 4.8-release
 already), the system was crushing with the same traces.
 
 
 Monday, July 14, 2003, 12:44:23 PM, you wrote:
 
 KK> Synopsis: kernel panics when trying to write to ufs
 
 KK> State-Changed-From-To: open->feedback
 KK> State-Changed-By: kris
 KK> State-Changed-When: Mon Jul 14 02:42:15 PDT 2003
 KK> State-Changed-Why: 
 KK> Does this problem persist with a later release?  If so,
 KK> please obtain a debugging traceback as explained in
 KK> http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html
 
 KK> http://www.freebsd.org/cgi/query-pr.cgi?pr=45170
 
 
 
 -- 
 Best regards,
  Gleb                            mailto:kiz@ukr.net
 
 
 ----- End forwarded message -----
State-Changed-From-To: open->closed 
State-Changed-By: kris 
State-Changed-When: Sat Oct 4 21:23:13 PDT 2003 
State-Changed-Why:  
After running 8 systems with intensive disk workloads for  
the past few weeks I am unable to reproduce any failures 
with these filesystem parameters. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=45170 
>Unformatted:
