Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932111AbVJYJ7M (ORCPT ); Tue, 25 Oct 2005 05:59:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932122AbVJYJ7M (ORCPT ); Tue, 25 Oct 2005 05:59:12 -0400 Received: from duempel.org ([81.209.165.42]:14747 "HELO duempel.org") by vger.kernel.org with SMTP id S932111AbVJYJ7L (ORCPT ); Tue, 25 Oct 2005 05:59:11 -0400 Date: Tue, 25 Oct 2005 11:56:46 +0200 From: Max Kellermann To: linux-kernel@vger.kernel.org, Andrew Morton Subject: 2.6.14-rc4-mm1 and later: second ata_piix controller is invisible Message-ID: <20051025095646.GA24977@roonstrasse.net> Mail-Followup-To: linux-kernel@vger.kernel.org, Andrew Morton Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1934 Lines: 50 Hi Andrew, since 2.6.14-rc4-mm1, my second ata_piix (SATA) controller does not show up in dmesg, effectively hiding /dev/sdb. 2.6.14-rc2-mm2 and older (with the same kernel config) were ok, the same for Linus' kernels: 2.6.14-rc5 without -mm1 has /dev/sdb, too. 0000:00:1f.2 IDE interface: Intel Corp. 82801EB (ICH5) Serial ATA 150 Storage Controller (rev 02) (prog-if 8f [Master SecP SecO PriP PriO]) 0000:00:1f.2 0101: 8086:24d1 (rev 02) This PCI device (on-board on an Asus P4 mainboard) has two SATA connectors, showing up as ata1/sda and ata2/sdb. dmesg from 2.6.14-rc5: libata version 1.12 loaded. ata_piix version 1.04 ACPI: PCI Interrupt 0000:00:1f.2[A] -> GSI 18 (level, low) -> IRQ 177 PCI: Setting latency timer of device 0000:00:1f.2 to 64 ata1: SATA max UDMA/133 cmd 0xEFE0 ctl 0xEFAE bmdma 0xEF60 irq 177 ata2: SATA max UDMA/133 cmd 0xEFA0 ctl 0xEFAA bmdma 0xEF68 irq 177 ata1: dev 0 cfg 49:2f00 82:7c6b 83:7b09 84:4003 85:7c69 86:3a01 87:4003 88:207f ata1: dev 0 ATA, max UDMA/133, 240121728 sectors: ata1: dev 0 configured for UDMA/133 dmesg from 2.6.14-rc5-mm1: libata version 1.12 loaded. ata_piix version 1.04 ACPI: PCI Interrupt 0000:00:1f.2[A] -> GSI 18 (level, low) -> IRQ 193 PCI: Setting latency timer of device 0000:00:1f.2 to 64 ata1: SATA max UDMA/133 cmd 0xEFE0 ctl 0xEFAE bmdma 0xEF60 irq 193 ata1: dev 0 cfg 49:2f00 82:7c6b 83:7b09 84:4003 85:7c69 86:3a01 87:4003 88:207f ata1: dev 0 ATA-7, max UDMA/133, 240121728 sectors: LBA ata1: dev 0 configured for UDMA/133 Need more information? I could try to disable a few patches from your -mm series if you name some.. it's too hard for me to guess which one could be responsible for the breakage. Max - 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/