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Date:      Mon, 29 Jun 2009 18:50:10 +0400
From:      Kamigishi Rei <spambox@haruhiism.net>
To:        Lawrence Stewart <lstewart@freebsd.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: r194546 amd64: kernel panic in tcp_sack.c
Message-ID:  <4A48D4A2.8010207@haruhiism.net>
In-Reply-To: <4A48CE02.5000200@freebsd.org>
References:  <4A45ABB1.7040506@haruhiism.net> <4A48CE02.5000200@freebsd.org>

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Lawrence Stewart wrote:
> I'm not intimately familiar with our SACK implementation, and these 
> things are often extremely painful to track down. First step: is the 
> panic reproducible?
So far I couldn't reproduce it, but I think the fact that I couldn't 
reproduce it has something to do with frequent reboots due to 
buildworld/buildkernel lately because of other problems.
> How did you try to get it to save the core? A dump would be very 
> useful to have around.
Since I'm not much of an expert in the kernel debugger, I tried to let 
it continue with the panic, i.e. typed 'continue' which produced a fatal 
trap 12 right after "Dumping XXXX MB: (~3 values were here)".

--
Kamigishi Rei
KREI-RIPE



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