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Date:      Sun, 24 Feb 2008 10:57:03 -0500
From:      "Simon Chang" <simonychang@gmail.com>
To:        "Dave Raven" <dave@raven.za.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Dropped Packets
Message-ID:  <8efc42630802240757i5e0c9f36g29a726a31de27502@mail.gmail.com>
In-Reply-To: <00b301c876f1$74b16d80$5e144880$@za.net>
References:  <00b301c876f1$74b16d80$5e144880$@za.net>

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Hardware issues come to mind.  Do you have a dmesg?

SC

On Sun, Feb 24, 2008 at 9:27 AM, Dave Raven <dave@raven.za.net> wrote:
> Hi all,
>          I have a FreeBSD 4.11 (I know its outdated but I don't have an
>  option) box which is behaving very weirdly. After about a day and a half it
>  starts to drop packets - about 6-10% of pings at least, and tcp traffic
>  becomes unreliable etc.
>
>  I have swapped out the network cards, the cables etc and I don't have any
>  mbuf problems and all seems fine. For the first day the box works fine -
>  pinging, doing tcp traffic etc; and then suddenly it just stops. Rebooting
>  brings it all back to normal.
>
>  Any ideas what could be causing this, and how I could go about diagnosing
>  it? As far as I know there are no known bugs for this. I'm using the em
>  driver, but not with SMP. There are no errors on the interface, and the em
>  debug_info and stats sysctl's don't show any problems - there is no
>  indication on the box itself that its dropping packets..
>
>  My thinking is that it must be box specific as a reboot solves the problem?
>
>  Thanks in advance
>  Dave
>
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