From owner-freebsd-bugs  Tue Sep 28 16:20: 3 1999
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Date: Tue, 28 Sep 1999 16:16:06 -0700 (PDT)
From: rob@ideal.net.au
To: freebsd-gnats-submit@freebsd.org
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Subject: kern/14026: Many network connections get left in the 'CLOSING' state
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>Number:         14026
>Category:       kern
>Synopsis:       Many network connections get left in the 'CLOSING' state
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Sep 28 16:20:01 PDT 1999
>Closed-Date:
>Last-Modified:
>Originator:     Rob Wise
>Release:        FreeBSD 3.2-STABLE from July 1999
>Organization:
>Environment:
FreeBSD proton.ideal.net.au 3.2-STABLE FreeBSD 3.2-STABLE #2: Thu Jul 15 11:04:40 EST 1999     rob@proton.ideal.net.au:/usr/src/sys/compile/PROTON  i386

>Description:
The machine displaying this problem is running squid and 2 fairly busy websites which have large files on them.  I'm not sure if file size is related.

After the machine has been up and running for a while many connections are visible in netstat which are stuck in the 'CLOSING' state.  For example:
tcp        0      0  proxy1.syd.8080        port19.syd.2197        CLOSING
tcp        0      0  proxy1.syd.8080        port56.cam.1779        CLOSING

These connections can't be cleared by shutting down either the squid or apache daemons.  The machine must be restarted to clear them.

The machine has 512MB of ram, a PII350 processor, Adaptec 2940UW scsi controller, and a Netgear 10/100 nic using the de0 driver.  Tcp extensions are turned off too.
>How-To-Repeat:
The stuck connections gradually start appearing during normal usage on the machine.
>Fix:
Unknown.

>Release-Note:
>Audit-Trail:
>Unformatted:


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