From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 12 Mar 2002 19:09:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 12 Mar 2002 19:09:08 -0500 Received: from [217.79.102.244] ([217.79.102.244]:34045 "EHLO monkey.beezly.org.uk") by vger.kernel.org with ESMTP id ; Tue, 12 Mar 2002 19:08:51 -0500 Subject: Re: Dropped packets on SUN GEM From: Beezly To: "David S. Miller" Cc: linux-kernel@vger.kernel.org In-Reply-To: <20020312.155238.21594857.davem@redhat.com> In-Reply-To: <1015974664.2652.10.camel@monkey> <20020312.151443.03370128.davem@redhat.com> <1015976181.2652.30.camel@monkey> <20020312.155238.21594857.davem@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-n0MPvocuG7b+HpWnWxTo" X-Mailer: Evolution/1.0.2 Date: 13 Mar 2002 00:08:47 +0000 Message-Id: <1015978127.2653.49.camel@monkey> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-n0MPvocuG7b+HpWnWxTo Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Tue, 2002-03-12 at 23:52, David S. Miller wrote: > Thinking... I guess my gem_rxmac_reset() does not reset the > receive FIFO so until it is filled up and reset none of the > packets received actually make it past the card. >=20 > How does it behave with the patch below added to what you are running > right now? >=20 The problem appears to get worse; $ ping -s 1472 -i 0.1 10.0.0.3=20 1480 bytes from 10.0.0.3: icmp_seq=3D4487 ttl=3D255 time=3D4.13 ms 1480 bytes from 10.0.0.3: icmp_seq=3D4488 ttl=3D255 time=3D4.13 ms 1480 bytes from 10.0.0.3: icmp_seq=3D4489 ttl=3D255 time=3D4.13 ms 1480 bytes from 10.0.0.3: icmp_seq=3D4490 ttl=3D255 time=3D4.13 ms 1480 bytes from 10.0.0.3: icmp_seq=3D4491 ttl=3D255 time=3D4.14 ms 1480 bytes from 10.0.0.3: icmp_seq=3D4517 ttl=3D255 time=3D4.18 ms 1480 bytes from 10.0.0.3: icmp_seq=3D4518 ttl=3D255 time=3D4.13 ms 1480 bytes from 10.0.0.3: icmp_seq=3D4519 ttl=3D255 time=3D4.12 ms 1480 bytes from 10.0.0.3: icmp_seq=3D4520 ttl=3D255 time=3D4.13 ms 25 lost packets :( Also, just to clarify (i wasn't clear earlier), this host is connected via 1000Mbps full-duplex fibre to the switch. The other machines on the switch are connected either by 100Mbps copper or 10Mpbs copper. I'm guessing the other machines shouldn't be able to flood the RX on this host even if they all transmitted at the same time? (there are only three of them) Beezly --=-n0MPvocuG7b+HpWnWxTo Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQA8jpiPXu4ZFsMQjPgRApbeAKDLvQIbgXTEpFAu/+xezPajENUvBQCeObeW uqvK3OXRRrKGeE+sDJr5HtM= =q9rE -----END PGP SIGNATURE----- --=-n0MPvocuG7b+HpWnWxTo--