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Date: Fri, 3 Oct 2003 10:36:49 -0700
From: Kris Kennaway <kris@obsecurity.org>
To: Lars Eggert <larse@ISI.EDU>
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cc: Kris Kennaway <kris@obsecurity.org>
Subject: Re: NFS corruption on p4 machines (please test)
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On Fri, Oct 03, 2003 at 10:10:20AM -0700, Lars Eggert wrote:
> Kris,
>=20
> Kris Kennaway wrote:
>=20
> >For some months now I have been experiencing NFS corruption on the
> >three machines in the dosirak.kr package cluster - these are SMP
> >pentium 4 machines that run -CURRENT.  Setting DISABLE_PSE and
> >DISABLE_PG_G does not fix these problems.  I am able to easily
> >reproduce these problems using /usr/src/tools/regression/fsx on a
> >loopback nfs mount - they are not deterministic, but it blows up
> >within about 8000 operations (less than a minute of operation).  In
> >fact sometimes it even manages to make fsx segfault, which is fairly
> >impressive :)
> >
> >Just mount something rw via loopback nfs, and run 'fsx foo' on the nfs
> >filesystem for a few minutes.
>=20
> I just ran an fsx cycle on my desktop machine over a TCP mount, and it
> seemed to work fine:

Thanks.  What hardware specs?

Kris

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