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Date: Tue, 6 Feb 2001 08:44:35 -0800 (PST)
From: mdh@logcabin.woods.bridge.com
To: freebsd-gnats-submit@FreeBSD.org
Subject: IPC Message Queue number to big
X-Send-Pr-Version: www-1.0

>Number:         24902
>Category:       kern
>Synopsis:       IPC Message Queue number to big
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    maxim
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Feb 06 08:50:04 PST 2001
>Closed-Date:    Sun Dec 15 03:48:37 PST 2002
>Last-Modified:  Sun Dec 15 03:48:37 PST 2002
>Originator:     Michael Hughes
>Release:        3.5
>Organization:
>Environment:
FreeBSD logcabin.woods.bridge.com 3.5-RELEASE FreeBSD 3.5-RELEASE #9: Tue Jan  9 11:35:53 CST 2001     root@logcabin.woods.bridge.com:/export2/src/sys/compile/MIKE_new  i386
>Description:
When you do a ipcs -opq, it show message queue numbers that are negitive:
Message Queues:
T     ID     KEY        MODE       OWNER    GROUP CBYTES  QNUM LSPID LRPID
q  65536        100 --rwarwarwa      mdh programmer    576     12  53768  53738
q 720897         10 --rwarwarwa      mdh programmer      0      0  96326    560
q 131074          0 --rw-rw-rw-      mdh programmer      0      0    560    565
q 131075          0 --rw-rw-rw-      mdh programmer      0      0    560    568
q -1419182076          0 --rw-rw-rw-      mdh programmer      0      0  46751  46772
q -1627324411          0 --rw-rw-rw-      amh programmer     48      1  79239      0
q -1015611386          0 --rw-rw-rw-      amh programmer     48      1  79239      0
q 2071789575          0 --rw-rw-rw-      mdh programmer      0      0  53738  53768

Because of the queue number, you can't use ipcrm to clear them out.  It would
be nice if the queue numbers would not get bigger then a 5 digit number.

>How-To-Repeat:
Use a program that creates and deletes a message queue every 5 minutes.
>Fix:


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: maxim 
State-Changed-When: Sun Dec 15 03:46:37 PST 2002 
State-Changed-Why:  
Fixed in rev. 1.44 src/sys/kern/sysv_msg.c in -CURRENT. I'll MFC the 
fix to RELENG_4 in 2 weeks. 


Responsible-Changed-From-To: freebsd-bugs->maxim 
Responsible-Changed-By: maxim 
Responsible-Changed-When: Sun Dec 15 03:46:37 PST 2002 
Responsible-Changed-Why:  
Will see potential feedbacks. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=24902 
>Unformatted:
