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From: Philip Kizer <pckizer@nostrum.com>
Date: Wed, 26 Oct 2005 01:46:17 -0500
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Cc: Robert Watson <rwatson@FreeBSD.org>, John Baldwin <jhb@FreeBSD.org>
Subject: Re: Problem remains with FreeBSD 6.0-RC1 as seen in RELENG_5
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On Oct 25, 2005, at 05:07, Robert Watson wrote:
> There are a couple of possible sources, so if this is reproduceable  
> and you don't mind trying some diagnostic patches, I've attached a  
> first one below.  This checks for the case where the looping in the  
> unp_gc() routine becomes unbounded due to a possible lack of  
> synchronization in the handling of marking and counting of  
> marking.  It needs INVARIANTS to be compiled in to work; if it  
> fires, this will suggest an avenue to explore.

OK, patch applied and it ran all day, finally hanging again.

     http://www.nostrum.com/hang/hang.trace-2005-10-26-0.txt

Hopefully that's more of a help.


Till later,
Philip