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Date:      Sun, 20 Sep 1998 09:17:21 +0000 (GMT)
From:      Terry Lambert <tlambert@primenet.com>
To:        jdp@polstra.com (John Polstra)
Cc:        current@FreeBSD.ORG
Subject:   Re: panic: newdirrem inum 48733 should be 48732 (SMP+SOFTUPDATES)
Message-ID:  <199809200917.CAA13186@usr06.primenet.com>
In-Reply-To: <199809192016.NAA02256@austin.polstra.com> from "John Polstra" at Sep 19, 98 01:16:56 pm

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> > What if you turn off CAM?
> > 
> > > options		SCSI_CAM		#We're using CAM in this kernel
> > 
> > People seem to be having problems with soft updates because of CAM.
> 
> This problem ("newdirrem inum 48733 should be 48732") has nothing to
> do with CAM or with SMP.  I reported it in the -current list on 3
> September, and others have confirmed it.  To make it happen, all you
> have to do is initiate a moderate amount of NFS server activity on a
> machine with soft-updates.

I wasn't blaming SMP (though I suspect there are SMP problems because
of the sync code reentrancy because it's a kernel thread).

Now on to more detailed questions:

1)	Is this NFSv3?

2)	If so, have you applied my LEASE patches?

3)	Have you applied David Greenman's object locking patch?

4)	Are you using mmap on an NFS mounted drive?


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.

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