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Date:      Tue, 14 Nov 2006 14:17:13 -0500
From:      Kris Kennaway <kris@obsecurity.org>
To:        Vlad Galu <dudu@dudu.ro>
Cc:        freebsd-fs@freebsd.org, freebsd-stable@freebsd.org
Subject:   Re: Frequent VFS crashes with RELENG_6
Message-ID:  <20061114191713.GA89460@xor.obsecurity.org>
In-Reply-To: <ad79ad6b0611140710j1d5bd2ddveb066cc7aa41ff0c@mail.gmail.com>
References:  <dudu@dudu.ro> <ad79ad6b0609300901q4215c809ye28fd861007494da@mail.gmail.com> <200610010015.k910F6Ba001594@cwsys.cwsent.com> <ad79ad6b0610310603t7f00cd0ejdb3e4082466cd8a3@mail.gmail.com> <45475DEA.2030506@centtech.com> <ad79ad6b0610310634k70597bb7sed47bf90b5f761fb@mail.gmail.com> <20061031193139.GA27951@xor.obsecurity.org> <ad79ad6b0610311426xa2720a1jfeb820be7be15fe5@mail.gmail.com> <ad79ad6b0611140710j1d5bd2ddveb066cc7aa41ff0c@mail.gmail.com>

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On Tue, Nov 14, 2006 at 05:10:23PM +0200, Vlad Galu wrote:
> On 11/1/06, Vlad Galu <dudu@dudu.ro> wrote:
> >On 10/31/06, Kris Kennaway <kris@obsecurity.org> wrote:
> >> On Tue, Oct 31, 2006 at 04:34:59PM +0200, Vlad Galu wrote:
> >>
> >> >    Yes, but for objective reasons I can't publish it :(
> >> > The only
> >> > debugging option that I didn't use was INVARIANTS.
> >>
> >> Which is coincidentally the most useful one ;-)
> >>
> >> Also turn on DEBUG_LOCKS and DEBUG_VFS_LOCKS then report the output of
> >> 'show lockedvnods' at the time of crash, as well.
>=20
>    Upon Tor Egge's suggestion, I removed ZERO_COPY_SOCKETS from my
> kernel and the machine has been running nicely ever since.

Glad to hear it, depending on what Tor had to say you might want to
file a PR about that.

Kris

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