From owner-freebsd-hackers  Tue Jul 18 12:40:46 1995
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To: Karl Denninger <karl@mcs.net>
cc: bugs@ns1.win.net (Mark Hittinger), hackers@freebsd.org
Subject: Re: SCSI disk wedge (fwd) 
In-reply-to: Your message of "Tue, 18 Jul 95 14:15:48 CDT."
             <199507181915.OAA00718@Jupiter.mcs.net> 
From: David Greenman <davidg@Root.COM>
Reply-To: davidg@Root.COM
Date: Tue, 18 Jul 1995 12:41:17 -0700
Sender: hackers-owner@freebsd.org
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>Uh, I'm not betting on the disk wedge any longer.  My bet is on a VM problem
>of some kind.  Peter Wemm has provided some code which has *changed* the
>symptoms on the 1742 systems from a hang to a crash with a VM problem (freed
>objects that are already free).
>
>I'm going to continue to work this.

   Sounds like the object allocation race condition I fixed recently. It
happens when doing lots of NFS client stuff.

-DG