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Date:      Wed, 26 Oct 2011 22:07:39 +0800
From:      Adrian Chadd <adrian@freebsd.org>
To:        Emil Muratov <gpm@hotplug.ru>
Cc:        freebsd-net@freebsd.org, Hooman Fazaeli <fazaeli@sepehrs.com>, Jack Vogel <jfvogel@gmail.com>, Jason Wolfe <nitroboost@gmail.com>, Mike Tancsa <mike@sentex.net>
Subject:   Re: Intel 82574L interface wedging on em 7.1.9/7.2.3 when MSIX enabled
Message-ID:  <CAJ-Vmo=%2B6NcDQXeoabWtewfDvnhMNaZcnGE5WzncT9WBk18H3w@mail.gmail.com>
In-Reply-To: <4EA80F88.4000400@hotplug.ru>
References:  <CAAAm0r0RXEJo4UiKS=Ui0e5OQTg6sg-xcYf3mYB5%2Bvk8i8557w@mail.gmail.com> <4E8F157A.40702@sentex.net> <CAAAm0r2JH43Rct7UxQK2duH1p43Nepnj5mpb6bXo==DPayhJLg@mail.gmail.com> <4E8F51D4.1060509@sentex.net> <CACqU3MVwLaepFymZJkaVk6p=SpykGhqs=VYFjLh9fP9S=AxDhg@mail.gmail.com> <CAAAm0r1DKvoL9=Ket9up=4%2B5xiCzTTZJK99FhF9jcCA28B0M%2BA@mail.gmail.com> <CAAAm0r3XdsMHZh%2BP_NF-txZasdExzwZ8ymmGQgGhJQds0fOiBQ@mail.gmail.com> <CAAAm0r1iS3z-7CBJ=xYDf%2BJOA1Q2nU0O54Twbyb7FjvgWHjKVw@mail.gmail.com> <4EA7E203.3020306@sepehrs.com> <CAAAm0r3Nr2t8cCetPkFnLQ-3KwqHw_0SpqbtvYPRUkSP=9n8CA@mail.gmail.com> <4EA80818.3030504@sentex.net> <4EA80F88.4000400@hotplug.ru>

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On 26 October 2011 21:47, Emil Muratov <gpm@hotplug.ru> wrote:

> Hi All,
> I've got almost the same problem with intel 82574L based nic. My platform is
> nvidia ion running Atom 1.6 and nic is an external PCI-express adapter.
> Unlike Jason's case mine is always stuck in receiving traffic, it's Ierrs
> increasing while Ipkts not. Thanks to Jason's script I can see those locks
> and interface flapping every several hours. My system is not a heavy loaded
> server but just a home nas/router, usually routing at 100 mbps or less.
> Nither disabling MSIX nor tuning txd rxd doesn't help me.
>

Hi,

When this occurs, does this completely lock up with RX traffic? Ie,
_no_ valid RX traffic occurs?
If so, does the error count increase 1:1 with what traffic you're
trying to send to it?




Adrian



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