From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261509AbUJZWiw (ORCPT ); Tue, 26 Oct 2004 18:38:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261514AbUJZWiw (ORCPT ); Tue, 26 Oct 2004 18:38:52 -0400 Received: from ping.ovh.net ([213.186.33.13]:50129 "EHLO ping.ovh.net") by vger.kernel.org with ESMTP id S261509AbUJZWit (ORCPT ); Tue, 26 Oct 2004 18:38:49 -0400 Date: Wed, 27 Oct 2004 00:38:47 +0200 From: Miro To: linux-kernel@vger.kernel.org Subject: Problem in 2.4.28-rc1 with e1000 and io-apic Message-ID: <20041026223847.GB7198@ping.ovh.net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline User-Agent: Mutt/1.4.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello, I've got problems with a bi-xeon based on Intel E7320 chipset with 2.4.28-rc1. When I boot the smp kernel, IO-APIC works fine for all devices except for both e1000 lan. e1000 driver reports on dmesg "watchdog tx errors". I suppose it is an io-apic problem: # cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 0: 38000646 0 0 0 IO-APIC-edge timer 1: 2 0 0 0 IO-APIC-edge keyboard 2: 0 0 0 0 XT-PIC cascade 4: 16 0 0 0 IO-APIC-edge serial 8: 1 0 0 0 IO-APIC-edge rtc 71: 0 0 0 0 none eth1 72: 0 0 0 0 none eth0 [...] ^^^^^^ The system can't handle the lan interrupts. It should be the problem. Enable or disable NAPI option for e1000 doesn't resolve the problem. But, when I boot the kernel with "noapic" option, both lans work fine: # cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 0: 1090980 0 0 0 XT-PIC timer 1: 235 0 0 0 XT-PIC keyboard 2: 0 0 0 0 XT-PIC cascade 4: 16 0 0 0 XT-PIC serial 8: 1 0 0 0 XT-PIC rtc 9: 15629 0 0 0 XT-PIC eth0, eth1 [...] Maybe, there are devices that are not supported on this kernel and that create this problem: # lspci 00:00.0 Host bridge: Intel Corp. E7320 Memory Controller Hub (rev 0a) 00:02.0 PCI bridge: Intel Corp. E7525/E7520/E7320 PCI Express Port A (rev 0a) 00:03.0 PCI bridge: Intel Corp. E7525/E7520/E7320 PCI Express Port A1 (rev 0a) 00:1c.0 PCI bridge: Intel Corp. 6300ESB 64-bit PCI-X Bridge (rev 02) 00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev 0a) 00:1f.0 ISA bridge: Intel Corp. 6300ESB LPC Interface Controller (rev 02) 00:1f.1 IDE interface: Intel Corp. 6300ESB PATA Storage Controller (rev 02) 00:1f.3 SMBus: Intel Corp. 6300ESB SMBus Controller (rev 02) 01:00.0 PCI bridge: Intel Corp. 6700PXH PCI Express-to-PCI Bridge A (rev 09) 01:00.2 PCI bridge: Intel Corp. 6700PXH PCI Express-to-PCI Bridge B (rev 09) 03:05.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI (rev c1) 05:01.0 Ethernet controller: Intel Corp. 82541GI/PI Gigabit Ethernet Controller 05:02.0 Ethernet controller: Intel Corp. 82541GI/PI Gigabit Ethernet Controller 06:02.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27) Is there a way to force type of interrupts for both e1000 lan on "IO-APIC-level"? or maybe to find the bug? Thanks in advance. Miro