Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271723AbTG2OPs (ORCPT ); Tue, 29 Jul 2003 10:15:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271724AbTG2OPs (ORCPT ); Tue, 29 Jul 2003 10:15:48 -0400 Received: from hq.pm.waw.pl ([195.116.170.10]:19620 "EHLO hq.pm.waw.pl") by vger.kernel.org with ESMTP id S271723AbTG2OP3 (ORCPT ); Tue, 29 Jul 2003 10:15:29 -0400 To: "Kathy Frazier" Cc: , Subject: Re: Problems related to DMA or DDR memory on Intel 845 chipset? References: From: Krzysztof Halasa Date: 29 Jul 2003 16:15:14 +0200 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 Content-Length: 2306 Lines: 45 "Kathy Frazier" writes: > We are attached to some industrial equipment. Yes, DMA busmaster. Yes, the > device asserts it's interrupt. At some point things get totally hosed and > that interrupt never gets through. We then have to reset the machine . . . Looks like malfunction of your card or driver. Is it a new design or is it already working with, say, Windows or something? > 00:00.0 Host bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset Host Bridge > (rev 02) > 00:01.0 PCI bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset AGP Bridge > (rev 02) > 00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 02) > 00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 02) > 00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 02) > 00:1d.7 USB Controller: Intel Corp. 82801DB USB EHCI Controller (rev 02) > 00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 82) > 00:1f.0 ISA bridge: Intel Corp. 82801DB ISA Bridge (LPC) (rev 02) > 00:1f.1 IDE interface: Intel Corp. 82801DB ICH4 IDE (rev 02) > 01:00.0 VGA compatible controller: ATI Technologies Inc Rage 128 Pro Ultra > TF > 02:03.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host > Controller (rev 80) > 02:05.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01) > 02:09.0 Communication controller: Altera Corporation PCI Fiber Optic Engrave > Interface (rev 02) Does the above list include your card? Which one is it? Could you show lspci -vv output for that device? > Jul 22 08:22:29 rti10 aksparlnx: ^I/opt/aksparlnx/drv/2.4.19/aksparlnx.o was > compiled for kernel version 2.4.19 > Jul 22 08:22:29 rti10 aksparlnx: ^Iwhile this kernel is version 2.4.20-8 > Jul 22 08:22:29 rti10 aksparlnx: Warning: loading > /opt/aksparlnx/drv/2.4.19/aksparlnx.o will taint the kernel: non-GPL > license - Copyright 1999-2002 Aladdin Knowledge Systems. Is is your driver? Have you tried running the box (with your card) without any unnecessary devices (plugged/loaded)? -- Krzysztof Halasa Network Administrator - 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/