From owner-svn-src-all@FreeBSD.ORG Wed Aug 12 19:48:26 2009 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A1C98106566B; Wed, 12 Aug 2009 19:48:26 +0000 (UTC) (envelope-from stas@FreeBSD.org) Received: from mx0.deglitch.com (backbone.deglitch.com [IPv6:2001:16d8:fffb:4::abba]) by mx1.freebsd.org (Postfix) with ESMTP id 51B158FC44; Wed, 12 Aug 2009 19:48:26 +0000 (UTC) Received: from orion.SpringDaemons.com (unknown [77.232.3.143]) by mx0.deglitch.com (Postfix) with ESMTPA id 63B9C8FC2E; Wed, 12 Aug 2009 23:48:24 +0400 (MSD) Received: from orion (localhost [127.0.0.1]) by orion.SpringDaemons.com (Postfix) with SMTP id 10CE139C4F; Wed, 12 Aug 2009 23:49:45 +0400 (MSD) Date: Wed, 12 Aug 2009 23:49:35 +0400 From: Stanislav Sedov To: Tom Judge Message-Id: <20090812234935.84e5ac74.stas@FreeBSD.org> In-Reply-To: <4A7AFFC4.5050607@tomjudge.com> References: <200902271925.n1RJP699080658@svn.freebsd.org> <20090721145559.d2cf3f0b.stas@FreeBSD.org> <4A7AFFC4.5050607@tomjudge.com> Organization: The FreeBSD Project X-Mailer: carrier-pigeon Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg="PGP-SHA1"; boundary="Signature=_Wed__12_Aug_2009_23_49_35_+0400_GA3.EGZtxjQkv.WZ" Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, David Christensen Subject: Re: svn commit: r189117 - head/sys/dev/bce X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Aug 2009 19:48:27 -0000 --Signature=_Wed__12_Aug_2009_23_49_35_+0400_GA3.EGZtxjQkv.WZ Content-Type: text/plain; charset=US-ASCII Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, 06 Aug 2009 11:07:32 -0500 Tom Judge mentioned: >=20 > I can confirm that we are also seeing this problem on a number of Dell=20 > PE2950 systems running the bce driver from 7.2, the bug is more=20 > visible/producible on systems that are using Jumbo Frames (in our case 8K= b). >=20 > The symptoms of this are an increase in the requests for jumbo clusters=20 > denied counter at 9k, and then random network stalls which sometimes=20 > recover on there own and others require a reboot. >=20 > We have backed this change and so far it seems to have fixed the issue. >=20 David, are you OK with reverting this patch? I submitted the patch to re@ for review, and I can commit it if you don't mind doing so. :-) --=20 Stanislav Sedov ST4096-RIPE --Signature=_Wed__12_Aug_2009_23_49_35_+0400_GA3.EGZtxjQkv.WZ Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- iQIcBAEBAgAGBQJKgxzYAAoJEKN82nOYvCd0PLAP/06x59NY+t+tHTRaAmn1xkbY uzWkHet1lPy/2cfDOqZ6Z8H+nHKG138vvn9gdxxrgtp3UOdlWG/A7Sac7CmA5Vh8 3fg7oJpmwvjqnvMIT6Dhaba9JV18s8u7a7Re5nYDJ/ddjL4i+DVx/20g0BIu0rax DBx3qnFILOa+sNcALdD0nfwe+J13HPPC3wAj5+eHDedvDHkQjpS/ocZViReLbCHP ve8lRwL8HwVYNBaw45LMb+/yVEyZ6I+j1LGlhyIHZ83fMWJTs5Faj2vo0oJqXQhd qCJAs6CvvybcVB2c7rt1efsDcvnSVB40bxs/AOa3QSqTojTnXWfSqSLS+kYkeW+0 DRlo1LIiV2jeXnvnjYAg38nfCYsmzv45fby4XVoxFcFLSAa8MOqJ7Hmzt+3/ckuP 17C4AhqykmqvjuOcvnJRE4TVTC/G/6j4FX9pBckRwtzZy+c7s3fu26b9cJn91Y9o Z/+6N1DiYmw/JJ3GiWvgzncStz/DJSxL+cHp2mJwhvzF0kqLisNDI7sXAZTAFtYl +6y7OZxGw7MnmyMGBpbzlenmM/wS4sQy3sQk5f0kfOX1D1niulSXdb42Kv2+LybC tjWS2RxpAwBB8zVUdC8TKBJ+vSZv/K17ovy3MU6VdWCdcYktkNGrVALwzVHG94YP u59dwwnrOhW+sNzKv3BP =/FQ9 -----END PGP SIGNATURE----- --Signature=_Wed__12_Aug_2009_23_49_35_+0400_GA3.EGZtxjQkv.WZ--