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Date:      Sat, 21 Sep 2002 01:58:30 +0930 (CST)
From:      "Daniel O'Connor" <darius@dons.net.au>
To:        FreeBSD-gnats-submit@FreeBSD.org
Subject:   kern/43133: dummynet hang in mysterious circumstances
Message-ID:  <200209201628.g8KGSUwe029514@chowder.dons.net.au>

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>Number:         43133
>Category:       kern
>Synopsis:       dummynet hang in mysterious circumstances
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Sep 20 09:30:27 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Daniel O'Connor
>Release:        FreeBSD 4.7-PRERELEASE i386
>Organization:
>Environment:
FreeBSD midget.dons.net.au 4.6-STABLE FreeBSD 4.6-STABLE #4: Sat Aug 31 02:53:26 CST 2002     darius@midget.dons.net.au:/usr/obj/usr/src/sys/MIDGET  i386

>Description:
I use dummynet to reduce TCP traffic when I am playing games so my ping doesn't
get too high.

...
01900 pipe 1 tcp from any to any out xmit tun0
02000 pipe 2 tcp from any to any in recv tun0
...

And set these accordingly.

>How-To-Repeat:
Use dummynet to limit TCP.
Change the pipe limits a few times.
Do some heavyish network traffic.
Computer hangs solid with no back trace :(

Yes, I realise this problem report is woeful :(

>Fix:



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

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