From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264957AbUEQKaz (ORCPT ); Mon, 17 May 2004 06:30:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264956AbUEQKaz (ORCPT ); Mon, 17 May 2004 06:30:55 -0400 Received: from rs1.physik.Uni-Dortmund.DE ([129.217.168.30]:28057 "EHLO rs1.physik.uni-dortmund.de") by vger.kernel.org with ESMTP id S264957AbUEQKav (ORCPT ); Mon, 17 May 2004 06:30:51 -0400 Date: Mon, 17 May 2004 12:30:11 +0200 From: Robert Fendt To: linux-kernel@vger.kernel.org Cc: Len Brown Subject: Re: peculiar problem with 2.6, 8139too + ACPI Message-Id: <20040517123011.7e12d297.fendt@physik.uni-dortmund.de> In-Reply-To: <1084584998.12352.306.camel@dhcppc4> References: <1084584998.12352.306.camel@dhcppc4> Organization: Lehrstuhl =?ISO-8859-1?B?Zvxy?= experimentelle Physik I, =?ISO-8859-1?B?VW5pdmVyc2l05HQ=?= Dortmund X-Mailer: Sylpheed version 0.7.4claws (GTK+ 1.2.10; i386-debian-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 14 May 2004 21:36:38 -0400 Len Brown wrote: > If the 8139too has statistics counters showing if it gets > RX buffer over-runs, that would be interseting to observe. Hmm I am not entirely sure I understand what you mean. ifconfig output is as follows: a) with 'processor' loaded robert@betazed:~$ wget http://download.sourcemage.org/iso/smgl-i386-2.6.5-20040414.iso.bz2 --12:27:16-- http://download.sourcemage.org/iso/smgl-i386-2.6.5-20040414.iso.bz2 => `smgl-i386-2.6.5-20040414.iso.bz2' Resolving download.sourcemage.org... 152.2.210.81 Connecting to download.sourcemage.org[152.2.210.81]:80... connected. HTTP request sent, awaiting response... 200 OK Length: 142,065,569 [text/plain] 0% [ ] 202,609 2.30K/s ETA 10:17:41 robert@betazed:~$ /sbin/ifconfig eth0 Link encap:Ethernet HWaddr 00:0C:6E:8A:DD:BA inet addr:129.217.168.125 Bcast:129.217.168.255 Mask:255.255.255.0 inet6 addr: fe80::20c:6eff:fe8a:ddba/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:933 errors:117 dropped:212 overruns:117 frame:0 TX packets:638 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:622241 (607.6 KiB) TX bytes:54355 (53.0 KiB) Interrupt:5 Base address:0xc800 b) without 'processor' loaded robert@betazed:~$ wget http://download.sourcemage.org/iso/smgl-i386-2.6.5-20040414.iso.bz2 --11:29:17-- http://download.sourcemage.org/iso/smgl-i386-2.6.5-20040414.iso.bz2 => `smgl-i386-2.6.5-20040414.iso.bz2.2' Resolving download.sourcemage.org... 152.2.210.81 Connecting to download.sourcemage.org[152.2.210.81]:80... connected. HTTP request sent, awaiting response... 200 OK Length: 142,065,569 [text/plain] 3% [=> ] 5,526,132 514.93K/s robert@betazed:~$ /sbin/ifconfig eth0 Link encap:Ethernet HWaddr 00:0C:6E:8A:DD:BA inet addr:129.217.168.125 Bcast:129.217.168.255 Mask:255.255.255.0 inet6 addr: fe80::20c:6eff:fe8a:ddba/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4187 errors:0 dropped:0 overruns:0 frame:0 TX packets:2313 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:5904292 (5.6 MiB) TX bytes:149285 (145.7 KiB) Interrupt:5 Base address:0xc800 One additional problem in debugging this is that it seems to be depending on the local network topology, since I somehow cannot reproduce it when downloading from machines on the LAN or when I have a slow downstream connection (e.g. DSL). > It would also be interesting to know if you see the problem > more frequently when running on battery power, since some > systems have higher c-state exit latency when on battery. Hmmm, I cannot see a difference between battery and ac. I will look into it a bit more, though. Regards, Robert -- Robert Fendt Experimentelle Physik I, Universität Dortmund Otto-Hahn-Str. 4, 44221 Dortmund, -Germany- Tel. +49-231-755-3522