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From: "Georg-W. Koltermann" <gwk@rahn-koltermann.de>
To: Bosko Milekic <bmilekic@unixdaemons.com>
In-Reply-To: <20030903220246.GA70585@cirb503493.alcatel.com.au>
References: <20030903220246.GA70585@cirb503493.alcatel.com.au>
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Date: Thu, 04 Sep 2003 22:37:43 +0200
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cc: Peter Jeremy <PeterJeremy@optushome.com.au>
cc: freebsd-current@freebsd.org
cc: Andrew Li <Andrew.Li@alcatel.com.au>
Subject: Data corruption issue? (Was: NFS writes over a VLAN trunk wedges
	system)
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Just trying to make sure Bosko takes note of this.  He might have
something to say as DISABLE_PSE appears to fix your problem.

--
Regards,
Georg.

On Do, 2003-09-04 at 00:02, Peter Jeremy wrote:
> I have a system running 5.1-RELEASE-p2 which is an NFS client of
> another FreeBSD (4.x) machine.  When I have the NFS mount via a VLAN
> the system reliably hangs (no response to console, including
> Ctrl-Alt-Esc).  This is a default NFS mount (no options) and I am
> trying to do a buildworld with /usr/{src,obj} NFS mounted.  The VLAN
> is using an Intel fxp NIC.  The kernel has DEVICE_POLLING specified
> but not enabled.
>=20
> - NFS mount to the same server via normal Ethernet (using a 3Com 905
>   NIC) successfully manages buildworld
> - Adding WITNESS and INVARIANTS didn't help (though it lasted longer
>   before dying)
> - Enabling device polling didn't help
> - Adding DISABLE_PSE allows it to complete a buildworld
>=20
> Any suggestions on where to go next?
>=20
> Peter
> _______________________________________________
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"
--=20
Gr=FC=DFe,
Georg.