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Date: Sat, 21 Sep 2002 01:58:30 +0930 (CST)
From: "Daniel O'Connor" <darius@dons.net.au>
Reply-To: "Daniel O'Connor" <darius@dons.net.au>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: dummynet hang in mysterious circumstances
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>Number:         43133
>Category:       kern
>Synopsis:       dummynet hang in mysterious circumstances
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    maxim
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Sep 20 09:30:27 PDT 2002
>Closed-Date:    Fri Mar 28 03:54:12 PST 2003
>Last-Modified:  Fri Mar 28 03:54:12 PST 2003
>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:

From: Maxim Konovalov <maxim@FreeBSD.org>
To: "Daniel O'Connor" <darius@dons.net.au>
Cc: bug-followup@FreeBSD.org
Subject: Re: kern/43133: dummynet hang in mysterious circumstances
Date: Fri, 20 Sep 2002 20:41:12 +0400 (MSD)

 [...]
 > >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 :(
 
 Have you seen kern/37573? It sounds very similar.
 
 http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/37573
 
 -- 
 Maxim Konovalov, maxim@FreeBSD.org
 
 

From: "Daniel O'Connor" <darius@dons.net.au>
To: Maxim Konovalov <maxim@FreeBSD.org>
Cc: bug-followup@FreeBSD.org
Subject: Re: kern/43133: dummynet hang in mysterious circumstances
Date: 21 Sep 2002 13:37:06 +0930

 On Sat, 2002-09-21 at 02:11, Maxim Konovalov wrote:
 > > Yes, I realise this problem report is woeful :(
 > 
 > Have you seen kern/37573? It sounds very similar.
 > 
 > http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/37573
 
 Yeah I did see it.
 
 It is interesting that the problem doesn't occur when I change the
 rules, but some time later (as in minutes).
 
 Very perplexing :(
 
 -- 
 Daniel O'Connor software and network engineer
 for Genesis Software - http://www.gsoft.com.au
 "The nice thing about standards is that there
 are so many of them to choose from."
   -- Andrew Tanenbaum
 GPG Fingerprint - 9A8C 569F 685A D928 5140  AE4B 319B 41F4 5D17 FDD5
 
Responsible-Changed-From-To: freebsd-bugs->luigi 
Responsible-Changed-By: luigi 
Responsible-Changed-When: Sun Sep 22 12:27:59 PDT 2002 
Responsible-Changed-Why:  
will have a look at it. 


http://www.freebsd.org/cgi/query-pr.cgi?pr=43133 
State-Changed-From-To: open->closed 
State-Changed-By: maxim 
State-Changed-When: Fri Mar 28 03:53:32 PST 2003 
State-Changed-Why:  
I believe your problem report is a duplicate of bin/37573. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=37573 

I have already commit a fix for it in -CURRENT and will 
going to MFC to -STABLE in six weeks. 


Responsible-Changed-From-To: luigi->maxim 
Responsible-Changed-By: maxim 
Responsible-Changed-When: Fri Mar 28 03:53:32 PST 2003 
Responsible-Changed-Why:  
Feedbacks trap. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=43133 
>Unformatted:
