From mboxrd@z Thu Jan 1 00:00:00 1970 From: Reuben Farrelly Subject: Re: Problems with SATA/AHCI with 'nosmp' boot option Date: Fri, 18 Nov 2005 17:53:10 +1300 Message-ID: <437D5E36.7000103@reub.net> References: <43312397.9080501@reub.net> <43425A0E.9050500@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from tornado.reub.net ([202.89.145.182]:1261 "EHLO tornado.reub.net") by vger.kernel.org with ESMTP id S1751509AbVKRExN (ORCPT ); Thu, 17 Nov 2005 23:53:13 -0500 In-Reply-To: <43425A0E.9050500@pobox.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: linux-ide@vger.kernel.org Hi, On 4/10/2005 11:31 p.m., Jeff Garzik wrote: > Reuben Farrelly wrote: >> Hi, >> >> While trying to gather more info about a problem with the latest >> sky2.c Gig ethernet driver hanging, I thought I'd boot my SMP built >> kernel (on an SMP/HT machine) with the 'nosmp' boot option. >> >> However when I did this, I could no longer boot the machine, because >> the ahci >> driver reported timeouts when probing the drives attached to the SATA >> ports, like this: >> >> Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 >> ide: Assuming 33MHz system bus speed for PIO modes; override with >> idebus=xx >> ICH6: IDE controller at PCI slot 0000:00:1f.1 >> ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 73 >> ICH6: chipset revision 3 >> ICH6: not 100% native mode: will probe irqs later >> ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:pio, hdb:pio >> ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:pio, hdd:pio >> ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 81 >> ahci(0000:00:1f.2) AHCI 0001.0000 32 slots 4 ports 1.5 Gbps 0xf impl >> SATA mode >> ahci(0000:00:1f.2) flags: 64bit ncq led slum part >> ata1: SATA max UDMA/133 cmd 0xF8806D00 ctl 0x0 bmdma 0x0 irq 81 >> ata2: SATA max UDMA/133 cmd 0xF8806D80 ctl 0x0 bmdma 0x0 irq 81 >> ata3: SATA max UDMA/133 cmd 0xF8806E00 ctl 0x0 bmdma 0x0 irq 81 >> ata4: SATA max UDMA/133 cmd 0xF8806E80 ctl 0x0 bmdma 0x0 irq 81 >> ata1 is slow to respond, please be patient >> ata1 failed to respond (30 secs) >> scsi0 : ahci >> ata2 is slow to respond, please be patient >> ata2 failed to respond (30 secs) > > Sounds like AHCI or MSI is broken. > > Jeff I am still seeing this on 2.6.15-rc1-mm1. I don't think we got any further than to conclude it _might_ be AHCI or MSI. What other information is required for me to be able to help someone look closer and/or resolve this bug? I have information about my system up at http://www.reub.net/kernel/ including some system specifications and my .config. (It's a lot easier to put it there than attaching to every email) Thanks, Reuben