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Date:      Sun, 5 Sep 1999 22:51:04 -0500
From:      Paul Saab <paul@mu.org>
To:        stable@freebsd.org
Subject:   Re: analyzing a crash of 3.2-RELEASE
Message-ID:  <19990905225104.A76960@elvis.mu.org>
In-Reply-To: <199909050623.XAA09791@dingo.cdrom.com>
References:  <199909050509.WAA02378@implode.root.com> <199909050623.XAA09791@dingo.cdrom.com>

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I'm testing disabling PMTUD now, but I can't simulate the same load
I got the panic on until Tuesday, when we really see high traffic
utilization.  If I stil panic, I'll patch radix.c and see what
happens from there.

paul

Mike Smith (mike@smith.net.au) wrote:
> > >This looks like a race in the route handling code that was fixed a 
> > >while back; you can either disable path MTU discovery (which prevents 
> > >the massive routing table growth that you may also see in your 
> > >application) or update to 3.2-stable in which I _believe_ that this has 
> > 
> >    Why would disabling PMTUD have any affect on that? The clone routes should
> > still be created just as before.
> 
> They should?  It was my understanding that the clone routes were only 
> created in order to hold the PMTU information as required.
> 
> If not, then I guess we still have a race somewhere in the route 
> manipulation code, unless this is fixed as a side-effect of rev 1.18 of 
> radix.c.
> 
> -- 
> \\  The mind's the standard       \\  Mike Smith
> \\  of the man.                   \\  msmith@freebsd.org
> \\    -- Joseph Merrick           \\  msmith@cdrom.com
> 


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