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Date:      Fri, 15 Oct 1999 17:30:14 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        Doug Rabson <dfr@nlsystems.com>
Cc:        FreeBSD-alpha mailing list <freebsd-alpha@FreeBSD.ORG>
Subject:   Re: hanging buildworld?
Message-ID:  <14343.40055.874284.249748@grasshopper.cs.duke.edu>
In-Reply-To: <Pine.BSF.4.10.9910152219290.91859-100000@salmon.nlsystems.com>
References:  <199910151741.TAA63503@yedi.iaf.nl> <Pine.BSF.4.10.9910152219290.91859-100000@salmon.nlsystems.com>

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Doug Rabson writes:
 > On Fri, 15 Oct 1999, Wilko Bulte wrote:
 > 
 > > The process sitting there is the one in 'objtrm' , cpp at pid 10569. 
 > > The machine itself keeps running just fine. 
 > > 
 > > Has anybody else ever seen this? This is sort-of repeatable on my NoName.
 > 
 > I think other people have reported similar problems. There must be a place
 > in the VM/VFS where a counter is being updated without using the atomic
 > macros. I'll talk to Matt about it at the conference.
 > 

I think this has been happening for quite some time.  We have a set of 
"stable" machines running -current from July 20th or so where we
occasionally see this under extreme load.

Drew

------------------------------------------------------------------------------
Andrew Gallatin, Sr Systems Programmer	http://www.cs.duke.edu/~gallatin
Duke University				Email: gallatin@cs.duke.edu
Department of Computer Science		Phone: (919) 660-6590


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