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Date:      Fri, 19 Apr 2013 15:11:14 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        "C. L. Martinez" <carlopmart@gmail.com>
Cc:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, Jack Vogel <jfvogel@gmail.com>
Subject:   Re: Network connections are lost from time to time
Message-ID:  <201304191511.14940.jhb@freebsd.org>
In-Reply-To: <CAEjQA5L1yz1hPgkTj_BfDuafDfjgOyMx5wZ5JcDS3d__wfhjkA@mail.gmail.com>
References:  <CAEjQA5LXuwCO96dkFwyjgXfCiDu%2B4mR7E0cxpy8Uh4pBzsD60Q@mail.gmail.com> <201304191149.22998.jhb@freebsd.org> <CAEjQA5L1yz1hPgkTj_BfDuafDfjgOyMx5wZ5JcDS3d__wfhjkA@mail.gmail.com>

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On Friday, April 19, 2013 12:32:18 pm C. L. Martinez wrote:
> On Friday, April 19, 2013, John Baldwin <jhb@freebsd.org> wrote:
> > On Friday, April 19, 2013 3:11:41 am C. L. Martinez wrote:
> >> Hi all,
> >>
> >>  I have a strange problem with my FreeBSD 9.1 (fully patched): I loose
> ssh
> >> sessions from time to time frequently.
> >>
> >>  This fbsd box is installed in an ESXi 5.1 server and I have another
> three
> >> fbsd 9.1 in the same ESXi host that do not have this problem, but maybe
> the
> >> problem is with my sysctl.conf and loader.conf settings:
> >
> > Which NIC driver are you using?
> >
> > --
> > John Baldwin
> 
> 
> e1000.

igb?  There are some fixes to handle out of order packets on transmit that 
could break new connections in some cases.  That is probably worth testing.  I 
think you can just grab the sys/dev/e1000 from 9-stable and drop it into a
9.1 tree to test.

-- 
John Baldwin



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