Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 20 Feb 2001 19:19:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 20 Feb 2001 19:19:31 -0500 Received: from 11dyn1.dh.casema.net ([212.64.56.1]:59408 "EHLO root.4us.org") by vger.kernel.org with ESMTP id ; Tue, 20 Feb 2001 19:19:23 -0500 Date: Wed, 21 Feb 2001 01:21:40 +0100 (MET) From: Martin Moerman To: Vibol Hou cc: Linux-Kernel Subject: Re: netdev issues (3c905B) In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Vibol, I see that the card is on IRQ 17 ??? can you send us /proc/interrupts /Martin On Tue, 20 Feb 2001, Vibol Hou wrote: > Hi, > > I have some problems on a heavily loaded web server. The first is that the > kernel is spitting out a bunch of "NETDEV WATCHDOG: eth0: transmit timed > out" errors. I do not recall this happening in 2.4.0 under the same > conditions. > > Another problem that I seem to have, of which I have had reports from > clients, is that the server has problems talking to clients using modems > This didn't occur before with the 2.2 series kernel (all other things held > constant). It seems each time a client tries to load up any site on the > server, the connection will just die (or stall). This does not apply to > high-bandwidth connections (DSL and up) since everything seems fine on DSL > and faster, but I tried connecting using my dial-up account with Earthlink, > and the reports seem to be true. Can those of you on a 56k modem try > connecting to http://khmerconnection.com and see if the page loads? Apache > isn't the only service affected. It seems *any* TCP communication runs like > a turtle (even SSH. takes minutes to login, then minutes to echo each > letter. doesn't do this on a DSL connection from the same computer). > > The card that is exhibiting this problem is a 3c905B (lspci below): > > 00:08.0 Ethernet controller: 3Com Corporation 3c905B 100BaseTX [Cyclone] > (rev 30) > Subsystem: 3Com Corporation: Unknown device 9055 > Flags: bus master, medium devsel, latency 80, IRQ 17 > I/O ports at e400 [size=128] > Memory at e8001000 (32-bit, non-prefetchable) [size=128] > Expansion ROM at e4000000 [disabled] [size=128K] > Capabilities: [dc] Power Management version 1 > > dmesg shows hordes of these at high peak usage (300KBps+): > > NETDEV WATCHDOG: eth0: transmit timed out > eth0: transmit timed out, tx_status 00 status e601. > diagnostics: net 0cd8 media 8880 dma 0000003a. > eth0: Interrupt posted but not delivered -- IRQ blocked by another device? > Flags; bus-master 1, full 0; dirty 9256291(3) current 9256291(3). > Transmit list 00000000 vs. f7de5230. > 0: @f7de5200 length 80000042 status 00010042 > 1: @f7de5210 length 8000004a status 8001004a > 2: @f7de5220 length 80000036 status 80010036 > 3: @f7de5230 length 80000036 status 00010036 > 4: @f7de5240 length 80000042 status 00010042 > 5: @f7de5250 length 80000036 status 00010036 > 6: @f7de5260 length 800005ea status 000105ea > 7: @f7de5270 length 800005ea status 000105ea > 8: @f7de5280 length 8000003a status 0001003a > 9: @f7de5290 length 8000003e status 0001003e > 10: @f7de52a0 length 8000003a status 0001003a > 11: @f7de52b0 length 8000003e status 0001003e > 12: @f7de52c0 length 8000003e status 0001003e > 13: @f7de52d0 length 8000004a status 0001004a > 14: @f7de52e0 length 8000004a status 0001004a > 15: @f7de52f0 length 8000003e status 0001003e > eth0: Resetting the Tx ring pointer. > > Any ideas? > > Thanks, > -- > Vibol Hou > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/