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Date:      Mon, 18 Aug 2014 13:05:42 -0500
From:      Larry Rosenman <ler@lerctr.org>
To:        Benjamin Kaduk <kaduk@mit.edu>
Cc:        freebsd-current@freebsd.org
Subject:   Re: DEADLKRES crash
Message-ID:  <68bfaf46e716f5fa317896b4bb89b40b@thebighonker.lerctr.org>
In-Reply-To: <alpine.GSO.1.10.1408181352070.21571@multics.mit.edu>
References:  <20140818152138.GA3481@borg.lerctr.org> <alpine.GSO.1.10.1408181352070.21571@multics.mit.edu>

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On 2014-08-18 12:56, Benjamin Kaduk wrote:
> On Mon, 18 Aug 2014, Larry Rosenman wrote:
> 
>> I got the following:
>> 
>> borg.lerctr.org dumped core - see /var/crash/vmcore.8
>> 
>> Mon Aug 18 07:30:42 CDT 2014
>> 
>> FreeBSD borg.lerctr.org 11.0-CURRENT FreeBSD 11.0-CURRENT #63 
>> r269784M: Sun Aug 10 12:33:07 CDT 2014     
>> root@borg.lerctr.org:/usr/obj/usr/src/sys/VT-LER  amd64
>> 
>> panic: deadlkres: possible deadlock detected for 0xfffff8002abeb000,
>> blocked for 1800926 ticks
> [...]
>> Current language:  auto; currently minimal
>> (kgdb)
>> 
>> What info do folks need?
> 
> Most useful would be the "show alllocks" from DDB.  Getting the lock
> information from kgdb is rather more annoying, though jhb has some gdb
> scripts which help. (http://people.freebsd.org/~jhb/gdb/)  I guess the
> 'allchains' command from gdb6 is the one in question, but it's been a
> while since I tried to use these scripts.
> 
> -Ben
> _______________________________________________
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after source'ing the above, and typing allchains, it sits and spins, but 
no output... :(

Ideas?

I **CAN** give SSH access....


-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640 (c)     E-Mail: ler@lerctr.org
US Mail: 108 Turvey Cove, Hutto, TX 78634-5688



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