From owner-freebsd-net@FreeBSD.ORG Thu Mar 20 15:50:22 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E7AD2CD for ; Thu, 20 Mar 2014 15:50:22 +0000 (UTC) Received: from mail-qc0-x235.google.com (mail-qc0-x235.google.com [IPv6:2607:f8b0:400d:c01::235]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id A817D7A9 for ; Thu, 20 Mar 2014 15:50:22 +0000 (UTC) Received: by mail-qc0-f181.google.com with SMTP id e9so1215731qcy.12 for ; Thu, 20 Mar 2014 08:50:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=Ez1TLfWULNwdqoiJ7aPFmS7F7YoTIVjDdfR2IJCYEYM=; b=gx9LigzKE+efApEJekUJcIe4Ri+A38W29Vo8rqHdwUwopuldoDy4E2ORlFHDijrB8M yAURL6xnGS456jEP98ChJu4zJYq3U7aT7qp1VLK2H8IBkERubViRMvcJeDepQn1H8Igz 1zwnhPdLaZ+Rc3GQgpCQfvKVH9pc0KK1YdolihBxi4beBmnm1XGEyQz6VMJODWUT/0eR av4pAhS9XO64dOzoJpmau8jxSt36MFWFGRWUIvvTQ0vt21r8hZCATL9ZR+poyFsJrAVN O7HhPvunDPLyfDae7ciSuhV9MHGsfFCHBf5+lSe3fZMhzqUXJbtahj58+HA2H93zVplJ IXRQ== MIME-Version: 1.0 X-Received: by 10.224.53.198 with SMTP id n6mr50793477qag.41.1395330621917; Thu, 20 Mar 2014 08:50:21 -0700 (PDT) Received: by 10.96.79.97 with HTTP; Thu, 20 Mar 2014 08:50:21 -0700 (PDT) In-Reply-To: References: Date: Thu, 20 Mar 2014 12:50:21 -0300 Message-ID: Subject: Re: 9.2 ixgbe tx queue hang From: Christopher Forgeron To: Markus Gebert Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.17 Cc: freebsd-net@freebsd.org, Rick Macklem , Jack Vogel X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Mar 2014 15:50:23 -0000 Markus, I just wanted to clarify what dtrace will output in a 'no-error' situation. I'm seeing the following during a normal ping (no errors) on ix0, or even on a non-problematic bge NIC: On Thu, Mar 20, 2014 at 7:40 AM, Markus Gebert wrote: > Also, if you have dtrace available: > > kldload dtraceall > dtrace -n 'fbt:::return / arg1 == EFBIG && execname == "ping" / { stack(); > }' > > while you run pings over the interface affected. This will give you hints > about where the EFBIG error comes from. > > > > >