Date: Fri, 3 Oct 2003 10:36:49 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Lars Eggert <larse@ISI.EDU> Cc: Kris Kennaway <kris@obsecurity.org> Subject: Re: NFS corruption on p4 machines (please test) Message-ID: <20031003173649.GA54540@rot13.obsecurity.org> In-Reply-To: <3F7DAD7C.2040505@isi.edu> References: <20031003054326.GA51359@rot13.obsecurity.org> <3F7DAD7C.2040505@isi.edu>
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--LZvS9be/3tNcYl/X Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 --LZvS9be/3tNcYl/X Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQE/fbOxWry0BWjoQKURAvzjAKCfWKQUi/foaE6MA2dqcV32kOMLnACgrXvR a8XCZ3Dm4B/OEZ/9djQRbTc= =YeL0 -----END PGP SIGNATURE----- --LZvS9be/3tNcYl/X--
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